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Journal articles on the topic 'Tightness test'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Zhang, Tao Tao, and Fei Wang. "The Air Tightness Test Method of the High Speed Train." Applied Mechanics and Materials 229-231 (November 2012): 482–86. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.482.

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The tightness of interior space in condition of a high speed train with its side door, side window closed called train air-tightness. The paper introduces the air tightness of the high speed train and the basic methods for air tightness testing. It also applies a constant pressure leak model to test and points out that the importance of air tightness for high speed train.

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Agnihotri, Dhara Santosh, Anjali R. Bhise, and Krutarth Purnendu Shah. "Validity & Reliability of Vonfidans (Het’s Device to Instantly Test Vaginal Tightness) to Test the Vaginal Tightness." Galore International Journal of Health Sciences and Research 8, no. 4 (2023): 23–30. http://dx.doi.org/10.52403/gijhsr.20230403.

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Vaginal laxity is a very common issue faced by many females. Looseness in the vagina is explained as laxity. Vaginal laxity can result into pelvic floor dysfunctions like urine leakage, pelvic organ prolapse, sexual dysfunction, reduced vaginal sensations, low back pain etc. Pregnancy and childbirth can be considered as the most common cause for developing vaginal laxity. In spite being so common condition, vaginal laxity is very less discussed and reported issue. By far there is no tool to test the vaginal tightness (strength of pelvic floor muscles). This study was aimed to measure the valid

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Narkhede, Devesh, Mayur Ajmera, and Quazi Ibtesaam Huma. "Prevalence of Hamstring Tightness in Nursing Students Using 90-90 SLR Test: A Cross-Sectional Study." International Journal of Physiotherapy and Research 12, no. 3 (2024): 4738–42. http://dx.doi.org/10.16965/ijpr.2024.117.

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Background: Flexibility is a range of movement available at a joint. Tightness of muscle is caused by a decline in the ability of muscle to disfigure. Hamstring tightness can lead to low back pain, bad posture, imbalances of muscles and knee pain. According to previously performed studies, prolonged sitting can be a factor that leads to hamstring tightness; therefore, we selected nursing students as a participant in the study who have a daily sitting time of 6-8 hours. Hence objective of the study is to find out the prevalence of hamstring tightness among nursing students. Aim: The study's aim

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Deshmukh, Aishwarya, Archana Nagargoje, and Abhijit Diwate. "PREVALENCE OF HAMSTRING AND ILIOTIBIAL BAND TIGHTNESS IN NONSPECIFIC LOW BACK PAIN PATIENTS." VIMS JOURNAL OF PHYSICAL THERAPY 2, no. 1 (2020): 28–32. http://dx.doi.org/10.46858/vimsjpt.2106.

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Background- An observational study was conducted on 60 college going students experiencing nonspecific low back pain of mild to moderate range[ on VAS 2-5]. METHOD- Assessment of hamstring and IT band tightness was done by using 90-90 hamstring test and Ober’s test respectively. Participant were checked for tightness and marked whether tightness present or not RESULT- Analysis of outcomes was done by the mean and standard deviation. The result showed that, 58.33% male and 95.85% has female has hamstring muscle tightness. 16.66% Male and 22.91% female has of IT band tightness. 85% population [b

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Wiyanto, Nihla Vadia Haya, Achmad Fariz, Puspo Wardoyo, and Angria Pradita. "LATIHAN NORDIC HAMSTRING CURLS PADA PASIEN ATLET SEPAK BOLA DENGAN GANGGUAN HAMSTRING TIGHTNESS DI POLI REHABILITASI MEDIK RSU UNIVERSITAS MUHAMMADIYAH MALANG." Jurnal Ilmiah Keperawatan (Scientific Journal of Nursing) 10, no. 1 (2024): 102–8. http://dx.doi.org/10.33023/jikep.v10i1.1884.

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Pendahuluan: Keluhan yang paling sering terjadi pada atlet sepak bola adalah hamstring tightness. Hamstring tightness merupakan suatu kondisi dimana otot Hamstring mengalami penurunan fleksibilitas dan elastisitas sehingga cenderung memendek untuk sementara waktu. Sebenarnya kondisi ini bukanlah penyakit, namun dapat sangat mengganggu aktivitas sehari-hari. Hamstring tightness merupakan suatu sinyal bahwa otot sudah terlalu banyak digunakan. Pada umumnya Hamstring tightness disebabkan oleh olahraga atau aktivitas fisik lainnya yang dilakukan secara intens. Tujuan : Penelitian ini bertujuan unt

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Tariq, Zaina, Hamna Zahoor, Rahat Ayub, Anam Abbas, Rahat Afzal, and Wadha Ijaz Kamran. "Association of Isolated Gastrocnemius Tightness in Patients with Heel Pain." Journal of Health and Rehabilitation Research 4, no. 1 (2024): 734–38. http://dx.doi.org/10.61919/jhrr.v4i1.484.

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Background: Heel pain is a common musculoskeletal complaint among adults, significantly impacting quality of life. Recent studies suggest a strong association between isolated gastrocnemius tightness and heel pain, although comprehensive research in diverse populations remains scarce. Understanding the relationship between gastrocnemius tightness and heel pain is crucial for developing effective treatment strategies. Objective: This study aimed to investigate the association of isolated gastrocnemius tightness with heel pain in a Pakistani adult population, focusing on the prevalence of gastro

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Panchal, Shruti, Dharaben Patel, Ambica Mall, and Threety Pruchhak. "Effects of Sub-Occipital Muscles Inhibition and Self Stretch on Calf and Hamstring Muscle Tightness: One Time Comparative Study." Parul University Journal of Health Sciences and Research 2, no. 2 (2024): 14–22. http://dx.doi.org/10.62373/pujhsr.2023.122.

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Background: Muscle tightness is the most limiting factor for restricted ROM and decreased joint flexibility. Hamstring and calf muscles are more prone to getting tight, which causes musculoskeletal problems. This study focused on checking the effects of various therapeutic techniques, including the sub-occipital muscle inhibition technique and self-stretching technique, on hamstring and calf muscle flexibility in subjects with tight muscle groups. Objectives: To determine the effects of sub-occipital muscle inhibition and self-stretch on calf and hamstring muscle tightness. Methodology: A tota

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Muhammad, Atta, Muhammad Rizwan Rana, Tooba Amin, Christina Angela, Felicianus Anthony Pereira, and Mazhar Ali Bhutto. "Prevalence of Piriformis Muscle Tightness among Undergraduate Medical Students." Pakistan Journal of Medical and Health Sciences 16, no. 2 (2022): 964–66. http://dx.doi.org/10.53350/pjmhs22162964.

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Objectives: To determine the prevalence of piriformis muscle tightness among allied health students, and its relationship with age, gender and year of study. Methods: A cross sectional study was conducted. A sample size of 259 was calculated using Open Epi v3.01. Allied health students from physical therapy, occupational therapy and prosthetics & orthotics programs participated in this study, which lasted 4 months. After obtaining informed consent, data was collected through a self-developed questionnaire. Piriformis muscle tightness, and symptom recurrence, was determined using the FAIR t

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Smith, Peter B. "Cultural Values Versus Cultural Norms as Predictors of Differences in Helping Behaviors and in Emotion Regulation: A Preliminary Nation-Level Test Related to the Leung-Morris Model." Management and Organization Review 13, no. 4 (2017): 739–66. http://dx.doi.org/10.1017/mor.2017.51.

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ABSTRACTLeung and Morris (2015) propose conditions under which values, norms, and schemata drive cultural differences in behavior. They build on past theories about dimensions of situational strength to propose that personal values drive behavior more in weak situations and perceived norms drive behavior more in strong situations. Drawing on this analysis as well as two recent models of cultural tightness-looseness, country-level effects are predicted on the assumption that tighter cultures more frequently create strong situations and looser cultures more frequently create weak situations. Usi

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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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Imtiaz, Rafia, Asma Sattar, Anum Qaiser, et al. "Association of Hamstring Tightness with Lower Extremity Injuries in Athletes (Analytical Cross-Sectional Study)." Pakistan Journal of Medical and Health Sciences 17, no. 5 (2023): 575–77. http://dx.doi.org/10.53350/pjmhs2023175575.

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Background: Flexibility if muscle is required for normal bio-mechanical functioning. Muscle tightness results from reduced capability of muscle to modify its shape during movement which results in decreased ROM. Hamstring tightness is one of the cause of hamstring injuries in athletes which leads to slowed recovery and compromises performance of athlete in the field. Objective: To find the association of hamstring tightness with lower extremity injuries in athletes. Methodology: The study was conducted on 141 athletes out of those 61 were cricketers and 80 were footballers. This study was cond

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Maryati, Liani Indri, Ari Sudarsono, Toto Aminoto, Rovika Trioclarise, and Dwi Agustina. "PERBANDINGAN EFEK JANGKA PENDEK DRY NEEDLING DAN STRETCHING OTOT ADDUKTOR HIP UNTUK MENGURANGI KETEGANGAN OTOT ADDUKTOR HIP PADA PELARI." Jurnal Fisioterapi dan Kesehatan Indonesia 5, no. 01 (2025): 73–78. https://doi.org/10.59946/jfki.2025.400.

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Muscle tightness adalah keterbatasan gerak karena pemendekan adaptif jaringan lunak. Pelari yang mengalami masalah muscle tightness terutama pada otot adduktor hip jika tidak diperbaiki akan mempengaruhi postur tubuh dan akan menyebabkan nyeri pada punggung dan lutut. Untuk mengukur tightness adduktor hip dapat menggunakan Passive hip abduction test at 90º of hip flexion. Intervensi dry needling dan stretching dapat mengurangi tightness. Untuk mengetahui perbandingan efek jangka pendek dry needling dan stretching adduktor hip untuk mengurangi ketegangan adduktor hip pada pelari. Jenis peneliti

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Fredriksen, H., H. Dagfinrud, V. Jacobsen, and S. Maehlum. "Passive knee extension test to measure hamstring muscle tightness." Scandinavian Journal of Medicine & Science in Sports 7, no. 5 (2007): 279–82. http://dx.doi.org/10.1111/j.1600-0838.1997.tb00153.x.

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Cristina Stéfani, Kelly, Leonardo Vinicius De Matos Moraes, Vinícius Quadros Borges, and Gabriel Ferraz Ferreira. "TL 18141 - Isolated gastrocnemius tightness." Scientific Journal of the Foot & Ankle 13, Supl 1 (2019): 90S. http://dx.doi.org/10.30795/scijfootankle.2019.v13.1069.

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Introduction: The objective of this study was to evaluate the difference in muscle strength between flexion and ankle extension to test the hypothesis that this predisposes to a dynamic equine and, thus, to evaluate this correlation with pain in the forefoot (metatarsalgias) and hindfoot (plantar fasciitis, tendinopathy of the tendon insertional and non-insertional calcaneus). Methods: In this prospective cohort study, 50 patients were consecutively diagnosed with forefoot pain (metatarsalgias) or pain in the hindfoot (plantar fasciitis, tendonopathy of the insertional and non-insertional calc

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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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Yalçın, Barış Can, and Ahmet Koyun. "Linear matrix inequality-based model matching H2 output feedback control of a new leak tightness machine working based on hydrostatic pressure aging method." Transactions of the Institute of Measurement and Control 40, no. 5 (2017): 1711–25. http://dx.doi.org/10.1177/0142331217690224.

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Fluid leaks owing to broken pipes can be a serious problem for any hydraulic system. The main reasons for pipe breakage are spontaneously changing hydrostatic and hydrodynamic pressure values inside the pipe or faults occurring during the pipe manufacturing process. Therefore, different kinds of leak tightness tests are required in many standards for approval of the pipes used in both academic researches and industrial applications. Hydrostatic pressure aging is the most common method among leak tightness test procedures. However, conventional test machines cannot reach above 700 bar owing to

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Rathod, Priyanka, Payal Dhawale, and Goutami Katage. "Assessment of Piriformis Tightness in Third Trimester of Pregnancy - A Prevalence Study." International Journal of Health Sciences and Research 12, no. 3 (2022): 61–68. http://dx.doi.org/10.52403/ijhsr.20220309.

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Background: Gestational pain in the lower back region is a common concern, affecting up to 50% of pregnant women at some point in their gestation. Prolonged sitting position, biomechanical changes during pregnancy are the foremost cause of piriformis tightness in female that may eventually leads to piriformis syndrome and low back pain. Therefore, the present study was designed to identify the prevalence of piriformis tightness in pregnant females. Methods: 93 subjects enrolled in this study were evaluated and screened on the basis of the inclusion and exclusion criteria. Tightness of piriform

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Batool, Farwah, Qurba Kiran, Humera Mubashar, Masooma Gull, Amena Batool, and Sana Ashraf. "Hamstring Muscle Tightness and Chronic Low Back Pain an Analytical Study on General Population." Pakistan Journal of Medical and Health Sciences 16, no. 9 (2022): 637–39. http://dx.doi.org/10.53350/pjmhs22169637.

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Background: The low back is a common disorder prevalent in general population having an association with hamstring tightness which needs to be addressed while its prevention or management strategies. The objective was to find if there is any link between CLBP severity and hamstring muscle tightness. Methods: A cross-sectional analytical study was carried out on 160 patients with persistent LBP, fulfilling the criteria of the study. After ethical approval, data was gathered from Ayesha Sadiqa Hospital Lahore. The low back pain disability index was measured using Oswestry Disability Index and Ha

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Sunil Nayee, Khushbu, and Apeksha Vaghasiya. "Immediate Effect of Active Release Technique versus Foam Rolling on Hamstring Tightness in Computer Workers." International Journal of Health Sciences and Research 14, no. 5 (2024): 10–15. http://dx.doi.org/10.52403/ijhsr.20240502.

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Background and need of research: In computer workers due to their prolonged sitting throughout the day can lead to various problems like tightness of muscle, decreased joint range of motion and decreased flexibility. As hamstring is a key component of flexibility in the lower body and it is more prone to get tightened. Due to prolonged sitting in Computer workers, the hamstring muscles are in shortened position (posterior pelvic tilt & knee 90° flexion) which causes the tightness of the hamstring muscles. Therefore, the objective of study is to find out the immediate effect of active relea

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Sheth, Ruhi, and Syed Rais Akhter Rizvi. "The Immediate Effect of Muscle Energy Technique Versus Active Release Technique on Hamstring Tightness in Footballers." International Journal of Science and Healthcare Research 7, no. 2 (2022): 282–94. http://dx.doi.org/10.52403/ijshr.20220440.

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Background and purpose: Most often, attention is focused on management of pain and injuries and decreased muscle strength in football players while little attention is given to flexibility. The objective of this study was to assess and compare the immediate effectiveness of a type of Muscle Energy Technique (MET), Post Isometric Relaxation (PIR) and Active Release Technique (ART) in increasing hamstring flexibility among recreational and professional footballers aged 18-30 years. MET is used to lengthen a tight muscle, strengthen weak muscles, reduce localised oedema or mobilize an articulatio

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Akhtar, Huma, Pakiza Muskan, Ramsha Amjad, Anza Kaleem Satti, Marwa Javed, and Minahil Shahid. "Correlation of Hamstring Tightness with Balance and Mobility in Young Adults." Pakistan Journal of Medical and Health Sciences 17, no. 3 (2023): 295–97. http://dx.doi.org/10.53350/pjmhs2023173295.

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Background: Despite of the optimal health regarding metabolic energy levels, physical activity and fitness in young adults, major health concerns are increasing. This increasing dysfunction could be the basic cause for future impairments. Hamstrings muscles are most commonly subjecting to shortening and evaluated for the lower limb resilience. Balance, mobility, muscle strength are important elements to maintain normal functional capacity. The aim of this study was to evaluate Correlation between hamstrings tightness with balance and mobility in young adults. Methodology: A Cross sectional cor

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Thakur, Dipesh, and Sumi Rose. "A Study To Find Out The Correlation Between The Right And Left Hamstring Length In Both Genders To Determine The Prevalence Of Hamstring Tightness Among College Students." Journal of Health and Allied Sciences NU 06, no. 04 (2016): 46–52. http://dx.doi.org/10.1055/s-0040-1708675.

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Abstract Objectives: The purpose of this study is to find out the correlation between the right and left hamstring length in both genders to determine the prevalence of hamstring tightness among college students. Methods: N=100 subjects were recruited and screened on the basis of inclusion and exclusion criteria. 80 healthy college students were recruited between the age group of 18 to 25 years, sit and reach test was done among the students. Result: The results stated that there is no statistically significant difference between the right and the left hamstring length in both genders and show

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Ayeni, O. E., M. A. Olayemi, A. T. Onigbinde, T. F. Kekere, and S. C. Ayinla. "Comparative Analyses of Hamstring Tightness and Sitting Duration Among Professional and Non-Professional Drivers in a Nigerian Community." European Journal of Medical and Health Research 2, no. 3 (2024): 61–70. http://dx.doi.org/10.59324/ejmhr.2024.2(3).08.

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This study investigated the prevalence of hamstring tightness among male professional, non-professional and non-drivers in a Nigerian community. It also compared the hamstring tightness of the three classes of participants.Ethical clearance was granted for the study. The design was a mixed-method of cross-sectional and comparative designs. Convenience sampling technique was used to select 150 participants who are commercial drivers (professional), private car owner who drives (non-professional) and non-drivers. Fifty individuals were recruited for each class. The hamstring tightness of the par

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O.E., Ayeni, Olayemi M.A., Onigbinde A.T., Kekere T.F., and Ayinla S.C. "Comparative Analyses of Hamstring Tightness and Sitting Duration Among Professional and Non-Professional Drivers in a Nigerian Community." European Journal of Medical and Health Research 2, no. 3 (2024): 61–70. https://doi.org/10.59324/ejmhr.2024.2(3).08.

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This study investigated the prevalence of hamstring tightness among male professional, non-professional and non-drivers in a Nigerian community. It also compared the hamstring tightness of the three classes of participants.Ethical clearance was granted for the study. The design was a mixed-method of cross-sectional and comparative designs. Convenience sampling technique was used to select 150 participants who are commercial drivers (professional), private car owner who drives (non-professional) and non-drivers. Fifty individuals were recruited for each class. The hamstring tightness of the par

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Loosveld, A., W. De Waele, K. Faes, and O. Zaitov. "Leak tightness of magnetic pulse crimped joints." International Journal Sustainable Construction & Design 3, no. 3 (2012): 243–50. http://dx.doi.org/10.21825/scad.v3i3.20580.

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The goal of this master thesis is to realize and investigate leak tightness of joints produced by theelectromagnetic pulse (EMP) crimping process. This way of joining metals has gained more attention lately.With EMP welding, leak tight joints can already be achieved. However, the crimping process has somemajor advantages over EMP welding like the fact that more material combinations are possible and itrequires less energy. To realize the leak tightness, two kinds of sealing materials are used: O-rings andadhesives. The workpieces consist of an aluminium or stainless steel tube which is crimped

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Zou, Peng, Qingsong Wang, Hao Chen, Junchao Yang, and YinSong Li. "Experimental research on damage tolerance and air tightness of typical composite panels." Journal of Physics: Conference Series 2459, no. 1 (2023): 012006. http://dx.doi.org/10.1088/1742-6596/2459/1/012006.

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Abstract The extensive use of composites in aircraft leads to the problem of damage tolerance after low-speed impact. It is necessary to consider not only the change of mechanical properties but also the change of work properties such as air tightness. In this paper, the damage morphology and air tightness of a typical composite stiffened panel subjected to low-speed impact were experimentally studied. The damage initiation and propagation and the change of air tightness after impact, static compression and compression fatigue were analyzed respectively. It is found from the test that after 12

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Naik, Khushbu, and Devashree Thaker. "Prevalence of Hamstring Tightness among School Children in Surat USING 90-90 SLR Test." International Journal of Science and Research (IJSR) 13, no. 8 (2024): 850–53. http://dx.doi.org/10.21275/sr24722102302.

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Malhotra, K., O. Chan, S. Cullen, et al. "Prevalence of isolated gastrocnemius tightness in patients with foot and ankle pathology." Bone & Joint Journal 100-B, no. 7 (2018): 945–52. http://dx.doi.org/10.1302/0301-620x.100b7.bjj-2017-1465.r1.

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Aims Gastrocnemius tightness predisposes to musculoskeletal pathology and may require surgical treatment. However, it is not clear what proportion of patients with foot and ankle pathology have clinically significant gastrocnemius tightness. The aim of this study was to compare the prevalence and degree of gastrocnemius tightness in a control group of patients with a group of patients with foot and ankle pathology. Patients and Methods This prospective, case-matched, observational study compared gastrocnemius tightness, as assessed by the lunge test, in a control group and a group with foot an

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Alqahtani, Bijad. "Effectiveness of Foam Rolling with Hip Strengthening versus Conventional Treatment in Iliotibial Band Tightness Among Osteoarthritis Patients." Journal of Pioneering Medical Science 13, no. 2 (2024): 79–85. http://dx.doi.org/10.61091/jpms202413211.

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Background: The iliotibial band (ITB) tightness contributes to pain and functional limitations in osteoarthritis (OA) patients. The effectiveness of foam rolling (FR) combined with ITB stretching exercises versus conventional treatment methods targeting ITB tightness has not been thoroughly investigated. This study aimed to evaluate the impact of these modalities on passive range of motion (PROM) during hip adduction in OA patients. Methods: Three groups of OA patients (Foam Rolling alone-Group A, Conventional Exercises + Foam Rolling-Group B, and Hip strengthening + Foam Rolling-Group C) were

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Khan, Rabia Shaheen, Zufa Shafiq, Rukash Mehar, et al. "A Cross-Sectional Study Concerning Piriformis Tightness: Identifying Predisposing Factors and its Association with Low Back Pain in Office Workers." International Health Review 3, no. 2 (2023): 19–31. http://dx.doi.org/10.32350/ihr.32.02.

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To identify the predisposing factors of piriformis tightness and its association with lower back pain in office workers due to prolonged working hours. In this cross-sectional study, a convenient sampling technique was used to collect data from the study participants. The study setting was private office setups in Faisalabad, Pakistan. A sample size of 250 office workers was selected through defined inclusion criteria after the screening of almost 400 workers. The selection criteria were individuals aged 26-50 years having a minimum of 2 years of work experience. The study period was from Octo

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Tariq, Hamza, Fatima Mazhar, Erum Ghaffar, Tooba Arif, Uzma Irshad, and Aneeqa Aqdas. "Association between Plantar Fasciitis and Hamstring Tightness among Runners." Journal of Health and Rehabilitation Research 4, no. 2 (2024): 343–47. http://dx.doi.org/10.61919/jhrr.v4i2.803.

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Background: Plantar fasciitis is a prevalent condition among athletes, especially runners, characterized by heel pain and potentially influenced by biomechanical factors such as hamstring tightness. However, the specific relationship between hamstring tightness and plantar fasciitis in athletes has not been extensively studied. Objective: This study aimed to investigate the association between hamstring tightness and plantar fasciitis among runners, to determine whether hamstring tightness contributes to the severity or incidence of plantar fasciitis. Methods: We conducted a cross-sectional st

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Ulutaş, S., M. Wichern, and B. Bosseler. "Laboratory investigations on the quality of leak tests and visual inspections of wastewater connection pipes carried out by specialist contractors." Water Practice and Technology 17, no. 1 (2021): 91–101. http://dx.doi.org/10.2166/wpt.2021.095.

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Abstract In addition to stability and operational safety, leak tightness is the permanent functional objective of wastewater pipes. Tests to determine the tightness of wastewater pipes can in some cases produce results that are worthy of discussion. Therefore, laboratory tests were carried out by 29 specialist contractors to obtain results on the quality of leak tests and visual inspections of connection pipes. The results showed that different test errors can be observed for leak test methods (air overpressure, air underpressure and water pressure). However, only in the case of the water pres

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Popat, Tanmay, Chethan M.D, and Nandeeshwar D.B. "EVALUATION OF THE PROXIMAL CONTACT TIGHTNESS BETWEEN FULL COVERAGE METAL CROWN AND ADJACENT NATURAL TEETH - AN IN VIVO STUDY." International Journal of Advanced Research 11, no. 05 (2023): 1001–9. http://dx.doi.org/10.21474/ijar01/16957.

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Context:The present study assesses the changes in the proximal contact tightness giving clinician a standardized method and a digital tool for evaluation of the proximal contact tightness. The results of this study also proves to be an educating tool for the patients in their maintenance of the prosthesis. Aims: to evaluate the proximal contact tightness between single full coverage metal crown and adjacent natural teeth at cementation appointment and after 10 days at recall appointment and to compare the proximal contact tightness measured at both the appointments Settings and Design: in vivo

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Liu, Long Bin, Pan Pan Mi, Shuai Cao, and Ming Yun Lv. "Ground Simulation Method for Envelope Performance of Airship in near Space." Advanced Materials Research 989-994 (July 2014): 3473–76. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.3473.

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Performing characteristics on envelope composite of near space airship (NSA) are quite different from that of the low altitude airship essentially. The NSA envelope material should meet excellent applicative characteristics including light weight, high strength, anti-aging, anti-ultraviolet radiation, gas-tightness, weather resistance. Ground simulation test is critical for the envelope design and development process of NSA, and the environmental features of near space is analyzed for NSA, then corresponding ground simulation test methods are proposed to involve mechanical strength of the grou

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Tanjaya, Wengkie, and Tjie Haming Setiadi. "Hubungan durasi duduk dan hamstring tightness pada mahasiswa kedokteran." Tarumanagara Medical Journal 5, no. 1 (2023): 191–96. http://dx.doi.org/10.24912/tmj.v5i1.24377.

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Fleksibilitas otot penting untuk seseorang merasa bugar sehingga dapat memaksimalkan aktivitas fisik sehari-hari. Namun, disfungsi fleksibilitas sering dialami orang umum hingga olahragawan. Salah satu contoh otot yang dapat mengalami hal ini adalah otot hamstring (hamstring tightness). Otot ini penting untuk berjalan bahkan berlari hingga melompat. Penurunan fleksibilitas otot ini menimbulkan penurunan perfoma dari kegiatan yang menggunakan otot tersebut dan dapat menimbulkan cedera pada otot hamstring. Salah satu faktor yang dapat menyebabkan hamstring tightness ialah duduk dalam waktu yang

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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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DOBROWOLSKA, EWA, ZBIGNIEW KARWAT, and DANIEL KUPIEC. "Testing the tightness of a square joint between oak wood elements." Annals of WULS, Forestry and Wood Technology 107 (September 30, 2019): 139–48. http://dx.doi.org/10.5604/01.3001.0013.7640.

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Testing the tightness of a square joint between oak wood elements. The study was carried out to determine the tightness of square joints between elements made of oak wood. To determine the degree of tightness of these joints, a device measuring the swelling pressure of oak wood under the influence of water humidification was designed. Checking the tightness of joints was carried out for surfaces obtained by machining through: grinding, milling, machine planing and manual planing. Contact angles at the phase boundary wood-water and their roughness achieved as a result of machining were also det

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T.Karthikeyan, Bagri Jyoti, Jayant, et al. "Comparative Sports physiotherapeutic efficacy of Bowen Technique and Muscle Energy Technique on Elite athletes Hamstring Tightness." International Journal of Healthcare Sciences 12, no. 1 (2024): 22–34. https://doi.org/10.5281/zenodo.11653237.

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<strong>Abstract:</strong> The movement of the human body is caused by the muscular system. There are about 700 muscles attached to the bones of the skeletal system that help to make up half of the person’s body weight roughly. Skeletal muscles are made up of contractile and non-contractile connective tissues. The characteristics of contractility and irritability are given by the contractile elements of the muscle. Aim: The Aim of this study is to compare “effect of bowen technique versus muscle energy technique on asymptomatic subjects with hamstring tightness” Materials and

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Pignata, Edson Augusto de Jesus Constante, Vinícius Quadros Borges, Gabriel Ferreira Ferraz, and Kelly Cristina Stéfani. "Diabetic foot ulcers and isolated gastrocnemius tightness." Scientific Journal of the Foot & Ankle 12, no. 2 (2018): 150–53. http://dx.doi.org/10.30795/scijfootankle.2018.v12.788.

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Objective: To determine the prevalence of isolated gastrocnemius tightness (IGT) in diabetic patients with plantar ulcers in the forefoot using the Silfverskiöld test. Methods: This prospective cohort study consecutively evaluated 50 diabetic patients with Wagner grade I or II ulcers in the forefoot treatedconservatively on an outpatient basis and assessed them for IGT using the Silfverskiöld test. Results: The prevalence of IGT was 66.7%. There was no significant correlation between IGT and the ulcer’s area or depth (Wagner’s classification) or the patient’s insulin use. Conclusion: The preva

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Mahajan, Palak, Vijayshree Singh, and Jitendra Sharma. "To Compare the Effects of the Hold-Relax Technique and Foam Roller Exercise On Hamstring Muscle Tightness, Dynamic Balance and Jump Performance Among Students of Health Sciences in Jalandhar City." International Journal of Membrane Science and Technology 10, no. 2 (2023): 3548–60. http://dx.doi.org/10.15379/ijmst.v10i2.3181.

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Background: Flexibility is a vital component of fitness required for desirable musculoskeletal functioning. Flexibility dysfunction is a widespread problem, especially in case of hamstring group of muscles. Tightness of hamstring may result in imbalances of muscle strength, dysfunction of anatomical kinetic chains and reduction in optimal performance. As reduced flexibility generates a vicious circle of ROM, impaired performance and pain there is a need to find an effective technique. Objective: To compare the effects of the hold-relax technique and foam roller exercise on hamstring muscle tig

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Jin, Guan Xiu, and Cheng Yan Zhu. "Influence of Structure Parameters on Moisture Permeability of Fabric Woven by Fine PP Fiber with Star Section." Advanced Materials Research 502 (April 2012): 292–96. http://dx.doi.org/10.4028/www.scientific.net/amr.502.292.

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To study the influence of structure parameters on moisture permeability of fabric woven by fine pp fiber with star section, nine fabrics with different structure and tightness had been woven for experiment, and a moisture permeability test with moisture absorbtion method was performed and compared for these fabrics. Some conclusions are obtained: the moisture permeability showed direct correlation with fabric texture and tightness. It will be improved as the the float of weave get longer. Moreover it will decline with the increasing of fabric tightness and showed significant correlation with P

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Kuilart, Kate Elissa, Melanie Woollam, Elizabeth Barling, and Nicholas Lucas. "The active knee extension test and Slump test in subjects with perceived hamstring tightness." International Journal of Osteopathic Medicine 8, no. 3 (2005): 89–97. http://dx.doi.org/10.1016/j.ijosm.2005.07.004.

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Ghosh, Kumar. "An Investigation of Bursting Strength on Single Jersey Weft Knitted Fabrics." IOSR Journal of Polymer and Textile Engineering 11, no. 4 (2024): 07–18. http://dx.doi.org/10.9790/019x-11040718.

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This paper investigates the bursting strength performance of single jersey weft knitted fabrics. The objective of the study is to find out the impact of the yarn count ,stitch length , stitch density, fabric thickness, loop shape factor, tightness factor ,GSM and porosity on the bursting strength of the single jersey weft knitted fabric. The experimental results have been statistically evaluated with Analysis ofVariance (ANOVA) test , Results show thatstitch length , stitch density, fabric thickness, loop shape factor, tightness factor ,GSM and porosity areeffective on bursting strength and in

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Kumari, Sangeetha, Dr Ajith Kumar A, Dr Mohammed Rafi, and Dr Sowjanya Maruboyina. "Effect of Jack-Knife Stretching Versus Active Stretching to Improve Hamstring Flexibility in Students with Hamstring Tightness." International Journal of Science and Healthcare Research 10, no. 2 (2025): 138–46. https://doi.org/10.52403/ijshr.20250216.

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BACKGROUND: The hamstring muscles, positioned at the posterior aspect of the thigh, play a key role in enabling knee flexion. Tightness in these muscles arises when their ability to lengthen is diminished, leading to reduced joint mobility. With a rise in sedentary behavior, the incidence of hamstring tightness is rising among young adults, particularly students. This study aimed to compare the effects of jack knife stretching and active stretching techniques on hamstring tightness in students. MATERIALS AND METHODOLOGY: A comparative research design was adopted with participants selected thro

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Padmanaban, Muhesh, Mohamed Shafiulla Inayathulla, Shanmugananth Elayaperumal, Janani Selvam, Nabisha Mohammed, and Sivasankari Karthikeyan. "Prevalence Of Posterior Shoulder Tightness In Glenohumeral Internal Rotation Deficit Among Amateur Basketball Players." Journal of Neonatal Surgery 14, no. 6 (2025): 7–12. https://doi.org/10.52783/jns.v14.2822.

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Background: Glenohumeral Internal Rotation Deficit (GIRD) is common in overhead athletes and is associated with Posterior Shoulder Tightness (PST). These mobility restrictions in the shoulder are common in amateur basketball players as they are used extensively in their sport due to a lot of overhead movements. Although early identification and management are paramount, the co-prevalence of PST and GIRD in this population is largely underreported. Objective: This study aimed to determine the prevalence of posterior shoulder tightness and its association with glenohumeral internal rotation defi

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Liu, Jing Hua, Sheng Nan Huang, and Gang Chen. "Data Analysis and Evaluation to Water-Sealed Underground Storage Cavern Water Curtain Efficiency Test." Applied Mechanics and Materials 744-746 (March 2015): 956–61. http://dx.doi.org/10.4028/www.scientific.net/amm.744-746.956.

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Water curtain efficiency test is the key method to evaluate the tightness and reliability of water curtain system. This thesis taking the cavern in Yantai as an example, based on the data of three different hydrodynamic condition stages during efficiency test, in combination with the important judgment parameter of water curtain efficiency-critical pressure value, the low efficiency of rock area was revealed by analyzing and evaluating the conduction effect of fissure water pressure. In order to improve the efficiency, drilled additional boreholes in low efficiency area. At last, through the t

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Jackson, Joshua Conrad, Michele Gelfand, and Carol R. Ember. "A global analysis of cultural tightness in non-industrial societies." Proceedings of the Royal Society B: Biological Sciences 287, no. 1930 (2020): 20201036. http://dx.doi.org/10.1098/rspb.2020.1036.

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Human groups have long faced ecological threats such as resource stress and warfare, and must also overcome strains on coordination and cooperation that are imposed by growing social complexity. Tightness–looseness (TL) theory suggests that societies react to these challenges by becoming culturally tighter, with stronger norms and harsher punishment of deviant behaviour. TL theory further predicts that tightening is associated with downstream effects on social, political and religious institutions. Here, we comprehensively test TL theory in a sample of non-industrial societies. Since previous

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Schmolke, Tobias, Christian Brunner-Schwer, Max Biegler, Michael Rethmeier, and Gerson Meschut. "On Welding of High-Strength Steels Using Laser Beam Welding and Resistance Spot Weld Bonding with Emphasis on Seam Leak Tightness." Journal of Manufacturing and Materials Processing 7, no. 3 (2023): 116. http://dx.doi.org/10.3390/jmmp7030116.

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The design of most electric vehicles provides for the positioning of the heavy energy storage units in the underbody of the cars. In addition to crash safety, the battery housing has to meet high requirements for gas tightness. In order to test the use of high-strength steels for this sub-assembly, this paper examines welded joints utilizing resistance spot weld bonding and laser remote welding, with special regard to the gas tightness of the welds. For this purpose, the pressure difference test and helium sniffer leak detection are presented and applied. The combination of both leak test meth

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Humayun, Khushboo, Daniyal Siddiqi, Irtasam Ahmad, et al. "Frequency of Iliotibial Band Tightness and Its Association with Anterior Knee Pain in Healthcare Workers." American Journal of Health, Medicine and Nursing Practice 9, no. 2 (2023): 32–41. http://dx.doi.org/10.47672/ajhmn.1599.

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Purpose: Iliotibial band tightness can raise the risk of injury by altering biomechanics. ITB tightness leads to abnormal patellar alignment and tracking and causes pain and several other problems. To assess the frequency of iliotibial band tightness and its relation with anterior knee pain in health-care workers Methodology: It was a cross-sectional research conducted from September 2021 to February 2022. Sample size of the study was 210. Study settings included the government and private hospitals of Faisalabad. In order to recruit healthcare providers, a convenient sampling technique

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Chawdi, Maria, and Drashti Niket Shah. "Effect of Muscle Energy Technique Vs Retro-Walking on Hamstring Flexibility and Dynamic Balance in Young College Going Students - A Comparative Study." International Journal of Health Sciences and Research 12, no. 6 (2022): 14–20. http://dx.doi.org/10.52403/ijhsr.20220603.

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Background: Hamstring muscle tightness can be defined as “inability to extend the knee completely when the hip is flexed.” Prevalence of hamstring muscle tightness in young college going students is 40.17%. MET is a technique that uses muscle’s own energy in the form of gentle isometric contractions to relax the muscles via autogenic or reciprocal inhibition and lengthen the muscle. Retro – walking is a translatory and dynamic activity which can be used to treat the flexibility as well as dynamic balance. Aim: To study the effect of Muscle energy technique VS Retro-walking on hamstring flexibi

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