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Journal articles on the topic 'Hamstring'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Lee, Jin Hyuck, Ki-Mo Jang, Eunseon Kim, Hye Chang Rhim, and Hyeong-Dong Kim. "Effects of Static and Dynamic Stretching With Strengthening Exercises in Patients With Patellofemoral Pain Who Have Inflexible Hamstrings: A Randomized Controlled Trial." Sports Health: A Multidisciplinary Approach 13, no. 1 (2020): 49–56. http://dx.doi.org/10.1177/1941738120932911.

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Background: Patellofemoral pain (PFP) syndrome is closely associated with muscle tightness. However, studies regarding the effects of stretching exercises on PFP patients with inflexible hamstrings are scarce. The aim of the study was to compare the effects between static and dynamic hamstring stretching in patients with PFP who have inflexible hamstrings. Hypothesis: Compared with static hamstring stretching, dynamic hamstring stretching will improve the parameters of hamstring flexibility, knee muscle strength, muscle activation time, and clinical outcomes in this patient population. Study D

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2

Shahariyar Ahmed, Asifuzzaman, Gourang Kumar Padhy, and Dushyant Bawiskar. "Effectiveness of myofascial release in increasing hamstringflexibility: a brief study." BOHR International Journal of Social Science and Humanities Research 2, no. 1 (2023): 1–6. http://dx.doi.org/10.54646/bijsshr.2023.17.

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Hamstring tightness is a common issue that affects many people. The flexibility and range of motion of the jointure both limited when this muscle is contracted. Lower back and lower extremity problems are frequently linked to poor hamstring flexibility. Active release technique and myofascial release technique can improve hamstring flexibility. The major goal of this study is to increase hamstring flexibility so that we can compare active release technique with myofascial release technique for effectiveness. The appropriate course of action for treating those with tight hamstrings to increase

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Kellis, Eleftherios, Nikiforos Galanis, and Nikolaos Kofotolis. "Hamstring-to-Quadriceps Ratio in Female Athletes with a Previous Hamstring Injury, Anterior Cruciate Ligament Reconstruction, and Controls." Sports 7, no. 10 (2019): 214. http://dx.doi.org/10.3390/sports7100214.

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Muscle strength imbalances around the knee are often observed in athletes after anterior cruciate ligament (ACL) surgery and hamstring muscle injury. This study examined three hamstrings-to-quadriceps (H:Q) strength ratio types (conventional, functional, and mixed) in thirteen female athletes with a history of hamstring injury, fourteen basketball players following ACL reconstruction and 34 controls. The conventional (concentric H:Q) peak torque ratio was evaluated at 120°·s−1 and 240°·s−1. The functional (eccentric hamstring to concentric quadriceps) torque ratio was evaluated at 120°·s−1. Fi

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Lubis, Andri. "ACL reconstruction: Which grafts can be used if hamstring is too small?" Orthopaedic Journal of Sports Medicine 7, no. 11_suppl6 (2019): 2325967119S0045. http://dx.doi.org/10.1177/2325967119s00458.

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Hamstring grafts are the most often grafts used for ACL reconstruction procedures. Especially in Asia, hamstrings are preferable since small incision for taking the graft, and not produce anterior knee pain during kneeling, since there is no bony part taken. However, sometimes hamstring is too small for the graft. Many literatures mention that at least 7-8 mm needed for the best result of ACL reconstruction using hamstring tendon. It is not easy to predict the size of the hamstring tendon before surgery. Quadriceps tendons are good alternative as the grafts for ACL reconstruction. However, som

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Shahariyar Ahmed, Asifuzzaman, and Gourang Kumar Padhy. "Effectiveness of Myofascial Release in Increasing Hamstring Flexibility: A Brief Study." BOHR International Journal of Social Science and Humanities Research 2, no. 1 (2023): 1–6. http://dx.doi.org/10.54646/bijsshr.017.

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Hamstring tightness is a common issue that affects many people. The flexibility and range of motion of the joint are both limited when this muscle is contracted. Lower back and lower extremity problems are frequently linked to poor hamstring flexibility. Active release technique and myofascial release technique can improve hamstring flexibility. The major goal of this study is to increase hamstring flexibility so that we can compare active release technique with myofascial release technique for effectiveness. The appropriate course of action for treating those with tight hamstrings to increase

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6

Hadi, Putra, and Faridah Faridah. "Edukasi Pencegahan dan Penanganan Cedera Hamstring pada Pemain Sepak Bola di Komunitas Jambi Fun Soccer." Jurnal Abdimas Kesehatan (JAK) 6, no. 2 (2024): 218. http://dx.doi.org/10.36565/jak.v6i2.680.

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Hamstring injury is an injury to the hamstring muscle tissue due to direct or indirect damage from being stretched beyond normal limits. This injury often occurs in the groin muscles, hamstrings, and quadriceps muscles. Hamstring injuries often occur in altitudinarians usually in one of the hamstrings muscles that are torn or stretched due to trauma and sudden movement or Movement suddenly stops. The objective of this study is to increase knowledge about handling hamstring injuries in soccer players in the Jambi Fun Soccer community. Methods: this community service is in the form of delivering

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Paranjape, Swati, and Nishigandha Naik. "Comparison of Effectiveness of Passive Hamstring Stretching Technique and Neurodynamic Sciatic Nerve Sliding Technique in Low Back Pain." International Journal of Research and Review 8, no. 12 (2021): 54–62. http://dx.doi.org/10.52403/ijrr.20211208.

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Objective: Low back pain (LBP) is a very common health problem worldwide having global point prevalence of 9.4%. Correlations have been found between decreased length of the hamstrings and LBP. It was found that improving the flexibility of hamstrings can significantly reduce chronic LBP. This study compared the effectiveness of two techniques i.e. passive hamstring stretching technique (PHS) and neurodynamic sciatic nerve sliding technique (NDS) on hamstring flexibility and pain in non-radiating LBP patients. Methods: 26 patients between the age group of 25-45 years having non-radiating LBP w

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Lempainen, Lasse, Jussi Kosola, Ricard Pruna, et al. "Central Tendon Injuries of Hamstring Muscles: Case Series of Operative Treatment." Orthopaedic Journal of Sports Medicine 6, no. 2 (2018): 232596711875599. http://dx.doi.org/10.1177/2325967118755992.

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Background: As compared with injuries involving muscle only, those involving the central hamstring tendon have a worse prognosis. Limited information is available regarding the surgical treatment of central tendon injuries of the hamstrings. Purpose: To describe the operative treatment and outcomes of central tendon injuries of the hamstrings among athletes. Study Design: Case series; Level of evidence, 4. Methods: Eight athletes (6 top level, 2 recreational) with central hamstring tendon injuries underwent magnetic resonance imaging and surgical treatment. The indication for surgery was recur

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Khalil, Elaaf, Ruhma Tariq, Hafiz Muhammad Arsalan, Amna Khalid, Sultan Ayaz, and Hassan Javed. "Prevalence of hamstrings tightness and its impact on lower extremity function in asymptomatic individuals with prolonged standing hours Authors." International Journal of Natural Medicine and Health Sciences 1, no. 4 (2022): 27–30. http://dx.doi.org/10.52461/ijnms.v1i4.1040.

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Background: Hamstrings undergo adaptive shortening. It is common in healthy individuals to have a sedentary lifestyle affecting males (91.8%) more than females (78.7%). Hamstring tightness can interrupt ADL’s predisposing the person to further health problems i.e. plantar fasciitis, sacroiliac joint pain, decreased lumbar lordosis, knee pain, quadriceps malfunction, postural disturbances, overstretched lumbar ligaments, reduced muscle strength. Aims and Objectives: To analyze the prevalence of hamstring tightness and its effects on lower extremity function in individuals with prolonged standin

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Shi, Yinbin, Gengsi Xi, Mengzi Sun, Yuliang Sun, and Li Li. "Hamstrings on Morphological Structure Characteristics, Stress Features, and Risk of Injuries: A Narrative Review." Applied Sciences 12, no. 24 (2022): 12713. http://dx.doi.org/10.3390/app122412713.

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Hamstring injury has been considered one of the most common exercise-induced injuries in sports. Hamstring injuries mostly occur proximal to the biceps femoris. However, the reasons and mechanisms remain unclear. To summarize hamstring morphological structure features and what the relationship is between their structure and risk of injury from the current literature, this review discussed the possible injury mechanism of hamstrings, from the morphological and connected pattern diversity, the mechanical properties, and the stress–strain performance, to probable changes in action control. Morpho

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Sannicandro, Italo, Giacomo Cofano, and Paolo Traficante. "Methodology and exercises to reduce the hamstring injury risk: from literature knowledges to the field." MOJ Sports Medicine 4, no. 1 (2020): 17–22. http://dx.doi.org/10.15406/mojsm.2020.04.00088.

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Injury prevention is a topic that has received greater attention in recent years: in fact, even if knowledge and research about prevention has increased, the injury incidence remains very high, especially as regards the hamstring district. As can be seen from the scientific literature, there are many studies that have described risk factors, but above all what strategies can be used to decrease this incidence through the prevention exercises. The exercise considered the gold standard for the hamstring injuries prevention is the Nordic hamstring although the literature highlights the particular

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Ferreira, Ricardo Maia, Pedro Nunes Martins, Hugo Nunes, Luís Gonçalves Fernandes, César Ferreira Amorim, and Luciano Maia Alves Ferreira. "The Effects of the Leg Position on the Nordic Hamstring Exercise Eccentric Force: A Randomized Cross-Over Study." Muscles 3, no. 3 (2024): 259–70. http://dx.doi.org/10.3390/muscles3030023.

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Given the posterior chain configuration, it is anticipated that tibial positioning influences hamstring recruitment; medial hamstrings should be more activated during medial rotation, while lateral hamstrings should be more activated during lateral rotation. However, most studies showing this pattern have focused on concentric or isometric strength, leaving the influence on eccentric strength fairly unknown. Therefore, the aim of this study was to investigate the electromyographic response of the hamstring muscles during Nordic hamstring exercises in three leg positions: internal rotation, ext

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Rusdiawan, Afif, Donny Ardy Kusuma, Awang Firmansyah, et al. "A combination of swissball hamstring curl and stiff-leg deadlift training on agility, hamstring asymmetry, and leg power in badminton athletes with hamstring asymmetry conditions." Retos 59 (August 22, 2024): 666–73. http://dx.doi.org/10.47197/retos.v59.107995.

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Exercise-based physical therapy has become a crucial element of sports medicine, particularly in addressing conditions such as hamstring asymmetry in athletes. To find out the impact of 10 weeks of stiff-leg deadlift and Swiss ball hamstring curl training on the asymmetries of hamstrings, agility, and leg power in badminton athletes with asymetry conditions. The study design employed was a quasi-experimental pre-post design. The prepared programme gave the sample a combination of stiff-leg deadlift and Swiss ball hamstring curl training for 10 weeks. Data was collected twice during the pretest

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Ebert, Dr Jay, Dr Peter Edwards, Dr Steven Cecchi, et al. "A RANDOMIZED CONTROLLED TRIAL ASSESSING A BRACE-FREE AND ACCELERATED WEIGHT-BEARING PROTOCOL AFTER SURGICAL REPAIR OF ACUTE PROXIMAL HAMSTRING TENDON AVULSIONS." Journal of Clinical Exercise Physiology 13, s2 (2024): 313. http://dx.doi.org/10.31189/2165-7629-13-s2.313.

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INTRODUCTION & AIMS Proximal hamstring tendon avulsion from the ischial tuberosity is a significant injury, with surgical repair advocated. After surgery, limited data exists regarding the optimal rehabilitation regime with extensive variation in published protocols. This study investigated patient outcomes following a traditionally conservative (CR) versus accelerated (AR) rehabilitation regimen after proximal hamstring tendon repair. METHODS This prospective randomized controlled trial (RCT) allocated 50 patients undergoing proximal hamstring tendon repair to either a braced, partial wei

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Rahim, Maryam, Shahzana Khalid, Zainab Saad, and Khawar Khattak. "Effects of hamstring stretching using pressure bio feedback unit in patients with low back pain." Rehabilitation Journal 08, no. 01 (2024): 26–32. http://dx.doi.org/10.52567/trehabj.v8i01.58.

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Background: Hamstring tightness can alter lumbar posture, impact pelvic alignment, and exacerbate low back pain. It's important to research whether hamstring stretches with a pressure biofeedback unit work for those with low back pain. Objectives: To determine the effects of hamstring stretching using a pressure biofeedback unit in patients with low back pain. Methodology: A total of n=38 Male and female subjects between the ages of 25-40 years, with >3 months history of low back pain having bilateral hamstring shortening less than 70O, and (ODI) score between 20% to 40% were enrolled in th

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Harput, Gulcan, Hasan Erkan Kılınc, Hamza Özer, Gül Baltacı, and Carl G. Mattacola. "Knee Muscle Strength Recovery in the Early Period After ACL Reconstruction." Orthopaedic Journal of Sports Medicine 2, no. 11_suppl3 (2014): 2325967114S0014. http://dx.doi.org/10.1177/2325967114s00141.

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Objectives: The aim of this study was to investigate quadriceps and hamstrings isometric strength at 4, 8 and 12 week time points following ACL Reconstruction (ACLR) and to document the strength changes of these muscles over time. The primary hypothesis was that there would be significant increases in quadriceps and hamstring muscle strengths between the 4th, 8th and 12th weeks following ACLR. The secondary hypothesis was that the quadriceps index would be higher than hamstring index at 12th week after ACLR. Methods: Thirty patients (Mean ± SD [age, 29.1±2.3yrs; weight, 77.3±13.2kg; height, 17

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Abbas, Janan, Noa Reif, and Kamal Hamoud. "Is Hip Muscle Flexibility Associated with Low Back Pain Among First-Year Undergraduate Students?" Journal of Clinical Medicine 13, no. 24 (2024): 7598. https://doi.org/10.3390/jcm13247598.

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Background/Objectives: Hip muscle lengthening is commonly associated with the normal function of the lumbar spine and lower extremities. Some evidence correlates hamstring and iliopsoas tightness with low back pain (LBP). Undergraduates are more prone to LBP as they are involved in prolonged sitting and poor posture. This study aims to assess the impact of hip muscle lengthening on LBP. Methods: This article involves a descriptive study of 70 students who were recruited from Zefat Academic College. Measurement of hamstrings and iliopsoas muscle lengthening, as well as a constructive questionna

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Rathore, Mrithunjay, Vijayakumari j, Garima Jaiswal, and Shikha Mankotia. "Functional Anatomy of the Hamstring Muscle and Its Correlation with the Various Yogic Postures: A Narrative Review." International Journal of Anatomy and Research 10, no. 4 (2022): 8489–95. http://dx.doi.org/10.16965/ijar.2022.234.

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Yoga is believed to be a safe practice; nonetheless, as the number of yoga practitioners has grown, so has the incidence of yoga-related injuries. Overall, lower extremity injuries comprised 64% of total injuries; specifically, the hip, hamstring, knee, ankle, feet and toe. Although a few research studies have quantified the hamstring muscle activities in various yoga asanas, evidence correlating it to functional anatomy is scarce. Therefore, the objective of this narrative review is to examine the literature and analyse hamstrings activity and its relationship to yogic postures, as well as yo

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Ansari, Noureddin Nakhostin, Parisa Alaei, Soofia Naghdi, Zahra Fakhari, Shiva Komesh, and Jan Dommerholt. "Immediate Effects of Dry Needling as a Novel Strategy for Hamstring Flexibility: A Single-Blinded Clinical Pilot Study." Journal of Sport Rehabilitation 29, no. 2 (2020): 156–61. http://dx.doi.org/10.1123/jsr.2018-0013.

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Context: There are numerous studies on the benefits of dry needling (DN) for pain relief. No studies exist examining the effects of DN on hamstring flexibility. Objective: To determine the immediate effects of DN on hamstring flexibility in healthy subjects with shortened hamstrings. Design: A single-blinded, pretest–posttest clinical pilot study. Setting: A university physiotherapy clinic. Subjects: A total of 15 healthy subjects (female = 11; age = 23.26 [4.3] y) with shortened hamstrings participated in this study. Intervention: Subjects received a single session of DN. Three locations on t

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Rovendra, Erit. "Pengaruh Pemberian Cryoterapi Dan Stretching Exercise Terhadap Penurunan Cedera Hamstring Pada Pemain Sepak Bola Remaja Di Nagari Tandikat Selatan Tahun 2020." Journal of Health Educational Science And Technology 4, no. 1 (2021): 57–72. http://dx.doi.org/10.25139/htc.v4i1.3778.

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Abstrak : Cedera hamstring adalah cedera pada jaringan otot hamstringkarena kerusakan langsung atau tidak langsung akibat teregang melebihi batas normal. Cedera ini sering terjadi pada bagian groin muscles, hamstring, dan otot quadricep.Cedera ini sering terjadi pada atlet dimana salah satu otot paha belakang mengalami robekan atau peregangan akibat trauma dan gerakan mendadak atau gerakan tiba-tiba berhenti.Olahraga dengan intesitas gerakan kombinasi seperti sprint, fleksibilitas, kelincahan, dan kekuatan otot yang besar, sering mengalami cedera ini. Pada cedera hamstring para atlit biasanya

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Sasmitha, Ni Luh Ayu, and I. Putu Kharismawan Aritama. "MANAJEMEN FISIOTERAPI PADA KASUS HAMSTRING INJURY." Kinesiology and Physiotherapy Comprehensive 1, no. 2 (2022): 26–29. http://dx.doi.org/10.62004/kpc.v1i2.7.

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Latar Belakang: Cedera regangan hamstring/Hamstrings strain injury (HSI) adalah cedera non-kontak yang paling umum di beberapa olahraga. Cedera hamstring biasanya terjadi selama fase ayunan akhir hingga fase kontak awal gaya berjalan di mana fleksi pinggul dan ekstensi lutut terjadi secara bersamaan. Faktor risiko cedera hamstring telah dilaporkan beragam dan termasuk usia, posisi lapangan, kelemahan otot, kurangnya fleksibilitas, ketidakseimbangan kekuatan, dan ras. Tujuan: Studi ini bertujuan untuk merangkum data sekunder yang berhubungan dengan cedera regangan hamstring Metode:

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Chopade, Sumedh Laxman, Mayur Ajmera, and Quazi Ibtesaam Huma. "To Compare the Effect of Dynamic Stretching and Muscle Energy Technique On Hamstring Length, Pain Intensity, and Functional Performance in Individuals with Patellofemoral Pain Syndrome - A Comparative Study." International Journal of Physiotherapy and Research 12, no. 6 (2025): 4815–20. https://doi.org/10.16965/ijpr.2024.139.

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Background: The hamstring group consists of three primary muscles at the back of the thigh: the semitendinosus, semimembranosus, and biceps femoris. Hamstring weakness or tightness can disrupt the normal biomechanics of the knee. For instance, when the hamstrings are tight, they may limit knee joint mobility, potentially worsening patellofemoral pain. The lower extremity functions as a kinetic chain; when the hamstrings are not working effectively, they can influence the pelvis and hips. This can result in altered loading patterns on the knee, increasing stress on the patellofemoral joint. So

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Williams, Whitney, and Noelle M. Selkow. "Self-Myofascial Release of the Superficial Back Line Improves Sit-and-Reach Distance." Journal of Sport Rehabilitation 29, no. 4 (2020): 400–404. http://dx.doi.org/10.1123/jsr.2018-0306.

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Context: Decreased hamstring flexibility can lead to a plethora of musculoskeletal injuries, including low back pain, hamstring strains, and patellofemoral pain. Lack of flexibility may be the result of myofascial adhesions. The fascia connected to the hamstrings is part of the superficial back line that runs from the cranium to the plantar aspect of the foot. Any disruption along this chain may limit the flexibility of the hamstring. Objective: To investigate if self-myofascial release (SMR) of the plantar surface of the foot in addition to the hamstring group was more effective at improving

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Vaquero-Cristóbal, Raquel, Patricia Molina-Castillo, Pedro A. López-Miñarro, Mario Albaladejo-Saura, and Francisco Esparza-Ros. "Hamstring extensibility differences among elite adolescent and young dancers of different dance styles and non-dancers." PeerJ 8 (May 26, 2020): e9237. http://dx.doi.org/10.7717/peerj.9237.

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Background Hamstrings have been analyzed extensively due to their tendency to shorten and their effect in the lumbo-pelvic dynamics and the sagittal position of the spine in trunk flexion with extended knees positions. It has been demonstrated that practicing a certain sport results in long-term changes in hamstring extensibility. Despite this, adequate extensibility of the hamstring musculature is essential for the dancer’s performance. Several studies have found differences in the extensibility of the hamstrings depending on the dance style, but none have compared ballet, Spanish dance and m

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Kukrić, Aleksandar, Nemanja Zlojutro, Robin Orr, Marko Joksimović, and Filip Kukić. "Isokinetic profiles of hamstring and quadriceps muscles in the police special force operators." Montenegrin Journal of Sports Science and Medicine 13, no. 1 (2024): 45–50. http://dx.doi.org/10.26773/mjssm.240305.

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Knee injuries are of concern to police. The aims of this study were to determine initial reference values for isokinetic knee extension and flexion in police special force operators to explore the conventional hamstring contraction (Hcon) quadriceps contraction (Qcon) ratio, and to determine the limb symmetry index of the quadriceps and hamstring muscles. Absolute and relative isokinetic torque of quadriceps and hamstrings were assessed in 10 police special force operators using an isokinetic dynamometer Con-Trex. Subjects performed maximal knee extension and flexion at a contraction velocity

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Yılmaz, Barış, Güzelali Özdemir, Elif N. Keskinöz, Gamze Tümentemur, Kemal Gökkuş, and Bahtiyar Demiralp. "Comparing Dimensions of Four-Strand Hamstring Tendon Grafts with Native Anterior and Posterior Cruciate Ligaments." BioMed Research International 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/3795367.

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Background. The aim of the study was to evaluate whether or not there was any incompatibility between four-strand hamstring tendons taken from the same knee and the dimensions of the ACL and PCL.Methods. 15 fresh frozen cadaver hamstrings were prepared as four-strand grafts and measurements made of the ACL and PCL circumferences in the midsection were made in the narrowest part of the midsection. The cross-section areas and diameters were calculated with geometric calculations used to measure the cross-sectional area of cylinders. Accepting that the geometric insertions were elliptical, the le

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S Krishna, Harish, Shridhar Shetty, and Nayak Kruti Krishna. "Correlation Between Hamstring Flexibility and Eyes Open Stork Balance Test in Dominant Leg Among Middle Aged Adults - A Pilot Study." International Journal of Health Sciences and Research 14, no. 9 (2024): 356–61. http://dx.doi.org/10.52403/ijhsr.20240945.

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BACKGROUND: Balance is the ability to maintain the body’s position over its support area and is crucial for performance. It involves managing the alignment of the body against gravity and other forces. Musculoskeletal system with posture, the configuration of body joints, is essential for maintaining balance and body orientation in standing positions, which is vital for daily activities and sports. Hamstrings are particularly important in maintaining the alignment of the pelvis and lower limbs. Tightness in these muscles can reduce flexibility which affect the range of motion and alter lower b

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Dadhaniya, Arya, Himashi Ruparelia, Ashish Kakkad, Shahrukhkhan Chauhan, and Kuldip Ramavat. "IMMEDIATE EFFECT OF NORDIC HAMSTRING CURL AND DYNAMIC STRETCHING ON SLR90⁰-90⁰ AND Y-BALANCE TEST–A COMPARATIVE STUDY." Indian Journal of Physical Therapy 6, no. 2 (2025): 50–55. https://doi.org/10.63299/ijopt.060224.

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BACKGROUND: A key physiological element of physical fitness is the elasticity of muscles. Occupational inefficiencies might be resulted from a lack of flexibility. The Y-Balance Test is a dynamic balance measurement that has been made more popular. Therefore, the immediate effects of dynamic stretching with Nordic hamstring curls are compared by this study. 90-90 SLR: Also referred to as the Active Knee Extension Test (AKET), the dimension of the hamstrings and the potential for hamstring tightness are measured by the 90-90 Straight Leg Raise Test. Y Balance Test: Innovative tests that call fo

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Mellemkjær, Frederik H., Pascal Madeleine, Jens E. Nørgaard, Martin G. Jørgensen, and Mathias Kristiansen. "Assessing Isometric Quadriceps and Hamstring Strength in Young Men and Women: Between-Session Reliability and Concurrent Validity." Applied Sciences 14, no. 3 (2024): 958. http://dx.doi.org/10.3390/app14030958.

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This study assessed the between-session reliability of the FysioMeter H-station when measuring isometric quadriceps and hamstrings strength and H/Q (hamstring/quadriceps) ratio, and the concurrent validity when compared to an isokinetic dynamometer (ID). Sixteen young males and three females (25.6 ± 1.7 years old) performed maximum quadriceps and hamstring contractions using the H-station and the Humac NORM ID over two sessions. Between-session reliability was evaluated by comparing scores from the first and the second session. Concurrent validity was assessed by comparing scores from the H-st

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Manikandan, Nanthini, Srinivansan M, Shanmugananth Elayaperumal, and Abinaya Paneerselvam. "Prevalence Of Hamstring Tightness And Associated Risk Factor Among Non-Professional Football Players." Journal of Neonatal Surgery 14, no. 6 (2025): 84–91. https://doi.org/10.52783/jns.v14.2844.

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Background: Hamstring tightness is a common issue among football players, particularly nonprofessionals, due to inadequate training, poor flexibility, and muscle imbalances. Tight hamstrings can lead to a higher risk of injuries, affecting performance and long-term musculoskeletal health. Identifying the prevalence of hamstring tightness and its associated risk factors can help implement targeted prevention strategies1. Aim: To determine the prevalence of hamstring tightness and its risk factors among non-professional football players. Method: This cross-sectional observational study included

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James, Day,, and Kasuske Kyla. "The effectiveness of dry needling on hamstring flexibility: A systematic review." International Journal of Physiotherapy and Research 9, no. 5 (2021): 4035–39. http://dx.doi.org/10.16965/ijpr.2021.186.

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Background: Hamstring injuries are a common problem for athletes, and hamstring tightness has been found to be a contributing factor to these injuries. Dry needling is a growing trend that poses the possibility of increasing flexibility through several mechanisms; however, there is currently no review on all of the studies done concerning the effectiveness of dry needling for improving hamstring flexibility. Purpose: The purpose of this systematic review was to evaluate the effectiveness of dry needling on hamstring flexibility in people with hamstring tightness. Methods: Search terms included

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Hermoso, Jana, Gabriel Bailey, Kenneth Bhatti, and Jason Sneed. "Osteopathic Approach to Proximal Hamstring Tendinopathy-related Sciatic Nerve Entrapment (PHTrSNE): Case Report." AAO Journal 34, no. 3 (2024): 7–13. http://dx.doi.org/10.53702/i2375-5717-34.3.7.

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Abstract Proximal Hamstring Tendinopathy (PHT) provides a challenging diagnosis for clinicians due to limited evidence-based research. Presenting as chronic pain originating at the ischial tuberosity, PHT can progress to entrap the sciatic nerve, resulting in proximal hamstring tendinopathy-related sciatic nerve entrapment (PHTrSNE). This case expands the understanding of PHT by describing the osteopathic assessment and treatment of a runner with PHTrSNE. A 24-year-old female marathoner presented to the neurology clinic with a unique running gait: a left leg circumduction, or “leg whip,” that

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Ajula, Randeep, Alistair Mayne, Steve Cecchi, et al. "A RANDOMIZED CONTROLLED TRIAL ASSESSING TRADITIONAL VERSUS DYNAMIC REHABILITATION REGIMES FOLLOWING SURGICAL REPAIR OF A PROXIMAL HAMSTRING TENDON AVULSION." Orthopaedic Proceedings 106-B, SUPP_6 (2024): 25. http://dx.doi.org/10.1302/1358-992x.2024.6.025.

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Proximal hamstring tendon avulsion from the ischial tuberosity is a significant injury, with surgical repair shown to have superior functional outcomes compared to non-surgical treatment. However, limited data exists regarding the optimal rehabilitation regime following surgical repair. The aim of this study was to investigate patient outcomes following repair of proximal hamstring tendon avulsions between a conservative (CR) versus an accelerated rehabilitation (AR) regimen.This prospective randomized controlled trial (RCT) randomised 50 patients undergoing proximal hamstring tendon repair to

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Sarfraz, Zainab, Dr Gulraiz Enderyas, Dr Farooq Islam, and Prof Asim Raza Thakur. "A Comparative Study to Assess Hamstring Tightness in Individuals with and without Plantar fasciitis." American Journal of Health, Medicine and Nursing Practice 9, no. 3 (2023): 48–56. http://dx.doi.org/10.47672/ajhmn.1621.

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Purpose: To compare hamstring tightness in individuals with and without plantar fasciitis Methodology: 369 individuals (male and female) was evaluated This, cross-sectional study included individuals with, and without plantar fasciitis. Data will be collected from hospitals in DHQ Wazirabad, THQ Gujranwala, Aziz Bhatti Gujrat. Non probability convenient sampling technique was used. Goniometer was used for measuring range of motion for active knee extension. The data was collected under the rules and regulations of ethical committee of University of Lahore. Findings: This study's fi

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Medeiros, Thales M., João B. Ribeiro-Alvares, Carolina G. Fritsch, et al. "Effect of Weekly Training Frequency With the Nordic Hamstring Exercise on Muscle-Strain Risk Factors in Football Players: A Randomized Trial." International Journal of Sports Physiology and Performance 15, no. 7 (2020): 1026–33. http://dx.doi.org/10.1123/ijspp.2018-0780.

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Purpose: To examine the differences between performing Nordic hamstring exercises once or twice a week on hamstring eccentric strength and other muscle-strain risk factors in high-level football players. Methods: In this randomized trial, 32 football players (18–23 y old) completed an 8-week Nordic hamstring exercise training program in 1 of 2 experimental groups: group 1 (once a week; n = 15) and group 2 (twice a week; n = 17). Knee-flexor/extensor peak torques and biceps femoris long-head muscle architecture were assessed through isokinetic dynamometry and ultrasonography, respectively, befo

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Mirawati, Dita, and Asita Rohmah Mutnawasitoh. "EFFECT OF NEURODYNAMIC SLIDER ON INCREASING HAMSTRING MUSCLE FLEXIBILITY IN RANTAYA PUTRI ALUS DANCERS." Gaster 21, no. 1 (2023): 79–90. http://dx.doi.org/10.30787/gaster.v21i1.1029.

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Flexibility is ability of a joint, muscles and ligaments around it to move freely and comfortably within the maximum expected range of motion. Flexibility is influenced by many factors such as anatomical condition, gender, body mass index, age, physical activity, injury, and training experience. The hamstring muscles are primarily fast-twitch and powerful movement types, so that the hamstrings are resistant to overloading but tire quickly on excessive repetitions. Excessive activity that involves contracting the hamstring muscles will cause the hamstring muscles to experience decreased flexibi

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Sannicandro, Italo. "Hamstring injury prevention: the strength assessment in young soccer players." MOJ Sports Medicine 3, no. 2 (2019): 28–32. http://dx.doi.org/10.15406/mojsm.2019.03.00075.

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Aim: The hamstring strength training in youth soccer is relevant both for muscle injury prevention and for sprint performance increase. This study aim to assessment hamstring eccentric strength in young soccer players to know any lower limb strength asymmetries Methods: The sample is composed of male young soccer players Under 17 (n=14, 16,6±0,5 years, 175,8±7,1cm and 70,9±9,1 kg). To assess the hamstring eccentric strength and the lower limb eccentric strength asymmetry have been used a specific dynamometer (NordBord Hamstring Testing System, Vald Performance, Australia) with software. Every

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Ahn, Jin-Oh, Jong-Hyuck Weon, Eun-Kyung Koh, and Do-Young Jung. "Effectiveness of hamstring stretching using a pressure biofeedback unit for 4 weeks: A randomized controlled trial." Hong Kong Physiotherapy Journal 40, no. 02 (2020): 99–107. http://dx.doi.org/10.1142/s1013702520500092.

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Background: Stretching and length test of hamstring muscles have been performed commonly to manage lower back pain (LBP) in sports rehabilitation. Previous literatures addressed that stretching techniques and length test of hamstring muscles should be performed with the pelvic maintained in an anterior tilt position. However, there is no study to determine the effectiveness of pressure biofeedback unit (PBU) to maintain in anterior pelvic tilting (APT) on length test and stretching of hamstring muscles. Objective: To determine the effectiveness of hamstring muscles stretching using a PBU. Meth

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Gould, Heath, James Dreese, and Lindsay Remy. "Poster 198: Risk of Injury During Proximal Hamstring Repair: Anatomy of the Posterior Femoral Cutaneous Nerve." Orthopaedic Journal of Sports Medicine 10, no. 7_suppl5 (2022): 2325967121S0075. http://dx.doi.org/10.1177/2325967121s00759.

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Objectives: Injury to the posterior femoral cutaneous nerve (PFCN) has been described after proximal hamstring repair and fixation of ischial tuberosity avulsion fractures. Variations in the location of the PFCN and its branches have not been described. The purpose of this study was to identify the location and number of branches of the PFCN in relation to the origin of the proximal hamstring tendons. Methods: Fifteen lower torso human cadaveric specimens were dissected in prone position. Skin and subcutaneous tissues were reflected to expose the gluteal and hamstring musculature. The distance

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Harput, Gulcan, Volga B. Tunay, and Matthew P. Ithurburn. "Quadriceps and Hamstring Strength Symmetry After Anterior Cruciate Ligament Reconstruction: A Prospective Study." Journal of Sport Rehabilitation 30, no. 1 (2021): 1–8. http://dx.doi.org/10.1123/jsr.2019-0271.

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Objectives: To evaluate change in involved and uninvolved quadriceps and hamstring strength and limb symmetry indices (LSI) in regular intervals over the first 6 months following anterior cruciate ligament reconstruction (ACLR). Design: Prospective cohort study. Participants: Thirty-eight male participants (mean age: 24.2 [6.4] y, mean body mass index: 23.6 [4.2] kg/m2), who underwent ACLR were included. Main Outcome Measures: Isometric strength testing of the quadriceps and hamstring muscles was performed at 1, 2, 3, and 6 months after ACLR. Quadriceps and hamstring peak torques for each limb

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Muyor, José M., Pedro A. López-Miñarro, Fernando Alacid, and Daniel López-Plaza. "Degree of Hamstring Extensibility and Its Relationship with Pelvic Tilt in Professional Cyclists." Applied Sciences 14, no. 9 (2024): 3912. http://dx.doi.org/10.3390/app14093912.

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The cyclist’s posture is typically characterized by a trunk flexion position to reach the handlebar of the bike. The pelvis serves as the base of the spine, and its tilt has been associated with the degree of extensibility of the hamstring, particularly in flexion postures of the trunk. The aim of this study was to determine whether, in professional cyclists, the degree of hamstring extensibility influences the pelvic tilt maintained while seated on the bicycle with support from the three handlebar grips of the road bike, as well as in other positions of the bicycle. To evaluate pelvic tilt, a

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sharifi ardani, behnam, hooman minoonejad, and Reza Rajabi. "Comparing the Effect of Six Weeks Active and Passive Static Stretching on Lumbar-pelvic Rhythm in Rales With Hamstring Shortness." Scientific Journal of Rehabilitation Medicine 10, no. 5 (2022): 0. http://dx.doi.org/10.32598/sjrm.10.5.20.

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Background and Aims To compare the effect of active and passive static stretching hamstrings on flexibility and lumbar-pelvic rhythm in non-athlete men with hamstring shortness. Clinical observa‌tions have suggested that hamstring tightness influences the lumbar pelvic rhythm and may be associated with modifications in the sagittal spine curvatures during trunk flexion. Thigh hamstring can restrict hip movement, thereby increasing lumbar spine motion and causing back pain due to their influence on spino-pelvic rhythm during forward bending. Methods Hamstring muscle shortness was measured using

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Alhammad, Ayman, Hussain Ghulam, Ibrahim Al Zaqrati, et al. "Comparison of quadriceps and hamstring muscle strength ratios between dominant and non-dominant legs in Saudi under-17 and under-19 premier league football players: A cross-sectional study." Molecular & Cellular Biomechanics 21, no. 1 (2024): 342. http://dx.doi.org/10.62617/mcb.v21i1.342.

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Football’s global popularity is often overshadowed by frequent lower limb injuries, particularly hamstring strains, which are linked to imbalances in the strength ratio of hamstring-to-quadriceps (H/Q). Research on these factors among Saudi Premier League players, specifically in Madinah City, is limited. Our study is a cross-sectional study that assessed 42 male professional football players from Ohoud Football Club, divided into Underage 17 (UD- 17) and Under age 19 (UD-19) of age groups. The Strength of muscle for hamstrings and quadriceps, as well as the H/Q ratio, was measured using handh

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Song, Mun-ku. "Isokinetic Quadriceps and Hamstring Muscle Strength Values in K League 1 Professional Soccer Players." Korean Journal of Sport Science 32, no. 4 (2021): 472–80. http://dx.doi.org/10.24985/kjss.2021.32.4.472.

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PURPOSE This study aimed to present isokinetic quadriceps and hamstring muscle strength values in K league 1 (K1) professional soccer players and compare these results to those of published studies.METHODS A total of 31 K1 soccer players (age 24.5±4.2) without a history of lower limb injury were included in this study. Isokinetic knee strength tests were implemented at a velocity of 60°·s-1 and 180°·s-1 for both dominant (D) and non-dominant (ND) legs using a dynamometer. Strength variables included peak torque (PT), body mass normalized PT (NPT), bilateral strength difference (BD), and hamstr

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Tyler, Timothy F., Brandon M. Schmitt, Stephen J. Nicholas, and Malachy P. McHugh. "Rehabilitation After Hamstring-Strain Injury Emphasizing Eccentric Strengthening at Long Muscle Lengths: Results of Long-Term Follow-Up." Journal of Sport Rehabilitation 26, no. 2 (2017): 131–40. http://dx.doi.org/10.1123/jsr.2015-0099.

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Context:Hamstring-strain injuries have a high recurrence rate.Objective:To determine if a protocol emphasizing eccentric strength training with the hamstrings in a lengthened position resulted in a low recurrence rate.Design:Longitudinal cohort study.Setting:Sports-medicine physical therapy clinic.Participants:Fifty athletes with hamstring-strain injury (age 36 ± 16 y; 30 men, 20 women; 3 G1, 43 G2, 4 G3; 25 recurrent injuries) followed a 3-phase rehabilitation protocol emphasizing eccentric strengthening with the hamstrings in a lengthened position.Main Outcome Measures:Injury recurrence; iso

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Venkateshwarlu, Nallagatla, Enrico Maria Staderini, and Naveen Kumar Balne. "Study of Static Vs Proprioceptive Neuromuscular Facilitation Stretching of Tight Hamstrings, and Its Effect on Lower Limb Flexibility and Speed of Sprinter - A Comparative Study." Galore International Journal of Health Sciences and Research 8, no. 4 (2024): 120–27. http://dx.doi.org/10.52403/gijhsr.20230415.

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Background: Hamstring injuries are one of the most common injuries seen in sprinters, leading to reduction in flexibility and speed in sprinters. The study aimed at comparing the two most appropriate methods of hamstring stretching, i.e., static stretching (SS) and proprioceptive neuromuscular facilitation stretching (PNFS), in sprinters for the management of tight hamstrings and measurement of their effectiveness on flexibility and speed. Materials and Methods: After ethical clearance and informed consent, 80 male subjects who met inclusion criteria were recruited and randomised into the SS (

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Opar, David A., Morgan D. Williams, Ryan G. Timmins, Nuala M. Dear, and Anthony J. Shield. "Rate of Torque and Electromyographic Development During Anticipated Eccentric Contraction Is Lower in Previously Strained Hamstrings." American Journal of Sports Medicine 41, no. 1 (2012): 116–25. http://dx.doi.org/10.1177/0363546512462809.

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Background: The effect of prior strain injury on myoelectrical activity of the hamstrings during tasks requiring high rates of torque development has received little attention. Purpose: To determine if recreational athletes with a history of unilateral hamstring strain injury will exhibit lower levels of myoelectrical activity during eccentric contraction, rate of torque development (RTD), and impulse (IMP) at 30, 50, and 100 milliseconds after the onset of myoelectrical activity or torque development in the previously injured limb compared with the uninjured limb. Study Design: Case control s

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Kristiani, Taurisia, Damayanti Tinduh, I. Putu Alit Pawana, and Soenarnatalina Melaniani. "Effect of uphill treadmill exercise on standard therapy to hamstrings tightness in patients with knee osteoarthritis at Dr. Soetomo General Hospital Surabaya." Retos 68 (June 22, 2025): 1464–76. https://doi.org/10.47197/retos.v68.115899.

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Introduction: Knee osteoarthritis causes excessive muscle contraction during walking, increased muscle tension in patients accompanied by changes in muscle stiffness related to hamstring tightness. Straight Leg Raise (SLR) is a measurement used to assess hamstring tightness using a gravity inclinometer. Objective: To evaluate the effect of uphill treadmill exercise as an addition to standard therapy on hamstrings tightness in patients with grade II-III knee osteoarthritis at Dr. Soetomo General Hospital Surabaya. Methodology: The control group received standard therapy (TENS and Q-bench) while

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Muralidharan, CK. "Comparison of Modified RAZOR Curl and Nordic Hamstring Curl Exercises in improving Hamstring Muscle Performance among Male Volleyball Players." Chettinad Health City Medical Journal 11, no. 1 (2022): 9–15. http://dx.doi.org/10.24321/2278.2044.202203.

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Background: Volleyball players’ lower extremity strength, power, and flexibility are more significant, and hamstrings, in particular, affect their performance. Concentric hamstring performance-enhancing methods are the most common. They may reduce hamstring flexibility and raise the risk of strain. In this study, we focused on enhancing hamstring muscle performance in volleyball players using particular hamstring eccentric training regimens that increase lower extremity performance.Method: A total of 40 volleyball players were sorted into two groups using a suitable sampling procedure based on

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Green, Brady, Matthew N. Bourne, and Tania Pizzari. "Isokinetic strength assessment offers limited predictive validity for detecting risk of future hamstring strain in sport: a systematic review and meta-analysis." British Journal of Sports Medicine 52, no. 5 (2017): 329–36. http://dx.doi.org/10.1136/bjsports-2017-098101.

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ObjectiveTo examine the value of isokinetic strength assessment for predicting risk of hamstring strain injury, and to direct future research into hamstring strain injuries.DesignSystematic review.Data sourcesDatabase searches for Medline, CINAHL, Embase, AMED, AUSPORT, SPORTDiscus, PEDro and Cochrane Library from inception to April 2017. Manual reference checks, ahead-of-press and citation tracking.Eligibility criteria for selecting studiesProspective studies evaluating isokinetic hamstrings, quadriceps and hip extensor strength testing as a risk factor for occurrence of hamstring muscle stra

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