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Journal articles on the topic 'Laxity'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Petterwood, J., J. Sullivan, S. Coffey, et al. "PREOPERATIVE MEDIAL LAXITY IN MIDFLEXION AND FLEXION CORRELATES WITH POORER KOOS-12 FUNCTION SCORES PRIOR TO TKA." Orthopaedic Proceedings 105-B, SUPP_2 (2023): 103. http://dx.doi.org/10.1302/1358-992x.2023.2.103.

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Preoperative ligament laxity can be characterized intraoperatively using digital robotic tensioners. Understanding how preoperative knee joint laxity affects preoperative and early post-operative patient reported outcomes (PROMs) may aid surgeons in tailoring intra-operative balance and laxity to optimize outcomes for specific patients.This study aims to determine if preoperative ligament laxity is associated with PROMs, and if laxity thresholds impact PROMs during early post-operative recovery.106 patients were retrospectively reviewed. BMI was 31±7kg/m2. Mean age was 67±8 years. 69% were fem

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2

Hart, Tom. "Dysplasia laxity." Australian Veterinary Journal 78, no. 12 (2000): 817. http://dx.doi.org/10.1111/j.1751-0813.2000.tb10492.x.

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3

Freisinger, Gregory, Laura Schmitt, Andrea Wanamaker, Robert Siston, and Ajit Chaudhari. "Tibiofemoral Osteoarthritis and Varus–Valgus Laxity." Journal of Knee Surgery 30, no. 05 (2016): 440–51. http://dx.doi.org/10.1055/s-0036-1592149.

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AbstractThe purpose of this study was to systematically review and synthesize the literature measuring varus–valgus laxity in individuals with tibiofemoral osteoarthritis (OA). Specifically, we aimed to identify varus–valgus laxity differences between persons with OA and controls, by radiographic disease severity, by frontal plane knee alignment, and by sex. We also aimed to identify if there was a relationship between varus–valgus laxity and clinical performance and self-reported function. We systematically searched for peer-reviewed original research articles in PubMed, Scopus, and CINAHL to

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Friscia, Brian A., Robert R. Hammill, Brian A. McGuire, Jay N. Hertel, and Christopher D. Ingersoll. "Anterior Shoulder Laxity Is Not Correlated with Medial Elbow Laxity in High School Baseball Players." Journal of Sport Rehabilitation 17, no. 2 (2008): 106–18. http://dx.doi.org/10.1123/jsr.17.2.106.

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Context:Uninjured baseball players have been shown to have increased anterior glenohumeral joint laxity, which may result in adaptive changes at the medial elbow.Objective:To determine the relationship between anterior shoulder laxity and medial elbow laxity in both arms of baseball and nonbaseball high school athletes and compare the laxity of dominant and nondominant shoulders and elbows of high school baseball and nonbaseball players.Design:Cohort design.Setting:Local high schools.Participants:Thirty healthy high school male athletes.Outcome Measures:Anterior shoulder and medial elbow laxit

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&NA;. "SymbolIs Elbow Laxity Pathological? Does Laxity Increase With Use?" Lippincott's Bone and Joint Newsletter 5, no. 3 (1999): 27. http://dx.doi.org/10.1097/01300517-199903000-00004.

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Shultz, Sandra J., Yohei Shimokochi, Anh-Dung Nguyen, Randy J. Schmitz, Bruce D. Beynnon, and David H. Perrin. "Greater Anterior Knee Laxity and General Joint Laxity Predict Greater Varus-Valgus and Rotation Knee Laxity." Medicine & Science in Sports & Exercise 38, Supplement (2006): S66. http://dx.doi.org/10.1249/00005768-200605001-01169.

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7

Borsa, Paul A., Eric L. Sauers, and Derald E. Herling. "In Vivo Assessment of AP Laxity in Healthy Shoulders Using an Instrumented Arthrometer." Journal of Sport Rehabilitation 8, no. 3 (1999): 157–70. http://dx.doi.org/10.1123/jsr.8.3.157.

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Arthrometric assessment for glenohumeral (GH) laxity is currently unprecedented in orthopedic practice. Clinical evaluation of GH laxity is based on manual tests that lack objectivity and reliability. We have developed an arthrometer that quantifies AP laxity relative to applied load. Forty healthy shoulders were assessed for AP laxity at 67-, 89-, 111-, and 134-N load levels. A factorial ANOVA revealed significant mean (±SD) differences between directions (p <.0001) and between loads (p <.001). Our results demonstrate the quantified relationship between applied directional loads and GH

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Shultz, Sandra J., William N. Dudley, and Yanfang Kong. "Identifying Multiplanar Knee Laxity Profiles and Associated Physical Characteristics." Journal of Athletic Training 47, no. 2 (2012): 159–69. http://dx.doi.org/10.4085/1062-6050-47.2.159.

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Context: A single measure of knee laxity (ie, measurement of laxity in a single plane of motion) is probably inadequate to fully describe how knee joint laxity is associated with anterior cruciate ligament injury. Objective: To characterize interparticipant differences in the absolute and relative magnitudes of multiplanar knee laxity (ie, sagittal, frontal, and transverse planes) and examine physical characteristics that may contribute to these differences. Design: Descriptive laboratory study. Setting: University research laboratory. Patients or Other Participants: 140 participants (90 women

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9

Beynnon, Bruce D., Ira M. Bernstein, Adelle Belisle, et al. "The Effect of Estradiol and Progesterone on Knee and Ankle Joint Laxity." American Journal of Sports Medicine 33, no. 9 (2005): 1298–304. http://dx.doi.org/10.1177/0363546505275149.

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Background Female athletes suffer a higher incidence of anterior cruciate ligament injuries compared to their male counterparts, and they appear to be at increased risk for these injuries when they have increased anterior-posterior knee laxity and at specific phases of the menstrual cycle. Although the mechanism by which these factors combine to increase injury risk is unclear, studies suggest that cyclic variations in joint laxity produced by hormone fluctuation during the menstrual cycle pre-dispose an athlete to increased risk of ligamentous injury. Little is known about whether joint laxit

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10

Lee, YoungKoo, Jungwoo Yoo, Keon Hee Yun, and Ji Yong Park. "Comparison of Clinical Outcomes in Patients with Generalized Ligamentous Laxity and without Generalized Laxity in the Arthroscopic Modified Broström Operation for Chronic Lateral Ankle Instability." Foot & Ankle Orthopaedics 2, no. 3 (2017): 2473011417S0002. http://dx.doi.org/10.1177/2473011417s000261.

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Category: Sports Introduction/Purpose: The arthroscopic modified Broström operation (MBO) has been developed and frequently used to treat chronic lateral ankle instability (CLAI). Clinical outcome of arthroscopic MBO was reported as good or excellent. But there were no report about comparison of clinical outcomes between patients with generalized ligamentous laxity (laxity) and without generalized ligamentous laxity (no laxity). The purpose of this study is to compare the clinical outcomes of the group with generalized ligamentous laxity and without generalized ligamentous laxity in chronic la

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11

Barber Foss, Kim D., Kevin R. Ford, Gregory D. Myer, and Timothy E. Hewett. "Generalized Joint Laxity Associated With Increased Medial Foot Loading in Female Athletes." Journal of Athletic Training 44, no. 4 (2009): 356–62. http://dx.doi.org/10.4085/1062-6050-44.4.356.

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Abstract The relationship between generalized joint laxity and plantar pressure distribution of the foot and the potential implications for lower extremity injury have not been studied.Context: To determine the relationship between generalized joint laxity and dynamic plantar pressure distribution. We hypothesized that individuals with greater generalized joint laxity, or hypermobility, would have greater dynamic medial midfoot pressure and loading during walking than nonhypermobile individuals.Objective: Case control.Design: Institutional biomechanics laboratory.Setting: Participants included

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Fan, Lixia, Timothy J. Copple, Amanda J. Tritsch, and Sandra J. Shultz. "Clinical and Instrumented Measurements of Hip Laxity and Their Associations With Knee Laxity and General Joint Laxity." Journal of Athletic Training 49, no. 5 (2014): 590–98. http://dx.doi.org/10.4085/1062-6050-49.3.86.

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Context: Hip-joint laxity may be a relevant anterior cruciate ligament injury risk factor. With no devices currently available to measure hip laxity, it is important to determine if clinical measurements sufficiently capture passive displacement of the hip. Objective: To examine agreement between hip internal-external–rotation range of motion measured clinically (HIERROM) versus internal-external–rotation laxity measured at a fixed load (HIERLAX) and to determine their relationships with knee laxity (anterior-posterior [KAPLAX], varus-valgus [KVVLAX], and internal-external rotation [KIERLAX])

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13

Maffulli, Nicola, J.-H. Kühne, H. R. Dürr, M. Steinborn, V. Jansson, and H. J. Refior. "LAXITY VERSUS INSTABILITY." Orthopedics 21, no. 8 (1998): 837–42. http://dx.doi.org/10.3928/0147-7447-19980801-05.

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14

Pandya, Vivek B., Katherine Masselos, Tani M. Brown, Edwin C. Figueira, Geoff Wilcsek, and Ian C. Francis. "Upper Eyelid Laxity." Ophthalmology 116, no. 1 (2009): 170–170. http://dx.doi.org/10.1016/j.ophtha.2008.09.024.

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15

Rao, Radhakrishna. "Allegations of laxity." Nature 344, no. 6263 (1990): 185. http://dx.doi.org/10.1038/344185d0.

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16

Ahldén, Mattias, Kristian Samuelsson, Freddie H. Fu, Volker Musahl, and Jón Karlsson. "Rotatory Knee Laxity." Clinics in Sports Medicine 32, no. 1 (2013): 37–46. http://dx.doi.org/10.1016/j.csm.2012.08.005.

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17

Engebretsen, Lars, and Martin Lind. "Anteromedial rotatory laxity." Knee Surgery, Sports Traumatology, Arthroscopy 23, no. 10 (2015): 2797–804. http://dx.doi.org/10.1007/s00167-015-3675-8.

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18

Dubs, L., and N. Gschwend. "General joint laxity." Archives of Orthopaedic and Traumatic Surgery 107, no. 2 (1988): 65–72. http://dx.doi.org/10.1007/bf00454489.

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19

Shultz, Sandra J., Anh-Dung Nguyen, and Beverly J. Levine. "The Relationship Between Lower Extremity Alignment Characteristics and Anterior Knee Joint Laxity." Sports Health: A Multidisciplinary Approach 1, no. 1 (2009): 54–60. http://dx.doi.org/10.1177/1941738108326702.

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Background: Lower extremity alignment may influence the load distribution at the knee, potentially predisposing the anterior cruciate ligament to greater stress. We examined whether lower extremity alignment predicted the magnitude of anterior knee laxity in men and women. Hypothesis: Greater anterior pelvic angle, hip anteversion, tibiofemoral angle, genu recurvatum, and navicular drop will predict greater anterior knee laxity. Study Design: Descriptive laboratory study. Methods: Women (n = 122) and men (n = 97) were measured for anterior knee laxity and 7 lower extremity alignment variables

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McAuliffe, Michael J., Patrick B. O'Connor, Lisa J. Major, Gautam Garg, Sarah L. Whitehouse, and Ross W. Crawford. "Highly Satisfied Total Knee Arthroplasty Patients Display a Wide Range of Soft Tissue Balance." Journal of Knee Surgery 33, no. 03 (2019): 247–54. http://dx.doi.org/10.1055/s-0039-1677873.

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AbstractSoft tissue balancing while crucial for a successful total knee arthroplasty (TKA) is incompletely defined and the subject of broad recommendations. We analyzed 69 unilateral computer-assisted surgery posterior stabilized (PS) TKA subjects who postoperatively scored ≥36 out of a possible 40 points on the satisfaction section of the American Knee Society score (2011). We examined a range of postoperative coronal plane laxity parameters and the correlation between preoperative and postoperative laxity. Total postoperative coronal laxity arcs at maximum extension and 20 degrees of flexion

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21

Whitehead, Noah A., Khalid D. Mohammed, and Mark L. Fulcher. "Does the Beighton Score Correlate With Specific Measures of Shoulder Joint Laxity?" Orthopaedic Journal of Sports Medicine 6, no. 5 (2018): 232596711877063. http://dx.doi.org/10.1177/2325967118770633.

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Background: Evaluation of shoulder joint laxity is an important component of the shoulder examination, especially in the setting of shoulder instability. Measures of generalized joint laxity, particularly the Beighton score, are often recorded and used to help make management decisions in these cases. However, no evidence is available to show that the Beighton score corresponds to specific measures of shoulder joint laxity. Purpose: To assess the correlation between the Beighton score and validated measures of shoulder joint laxity. Study Design: Cross-sectional study; Level of evidence, 3. Me

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Borsa, Paul A., Jon A. Jacobson, Jason S. Scibek, and Geoffrey C. Dover. "Comparison of Dynamic Sonography to Stress Radiography for Assessing Glenohumeral Laxity in Asymptomatic Shoulders." American Journal of Sports Medicine 33, no. 5 (2005): 734–41. http://dx.doi.org/10.1177/0363546504269940.

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Background Stress radiography has been the established imaging method for quantifying glenohumeral joint laxity. Dynamic ultrasound is an alternative imaging method that may be used to measure glenohumeral laxity; however, validity and repeatability have not been examined. Objective To determine criterion-related validity and repeatability of a sonographic imaging method for measuring glenohumeral laxity in asymptomatic shoulders. Study Design Controlled laboratory study. Methods In experiment 1, 20 subjects were assessed for glenohumeral laxity using stress radiography and dynamic ultrasound.

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Lian, Jayson, João V. Novaretti, Andrew J. Sheean, et al. "Static Lateral Tibial Plateau Subluxation Predicts High-Grade Rotatory Knee Laxity in Anterior Cruciate Ligament–Deficient Knees." American Journal of Sports Medicine 47, no. 2 (2018): 277–84. http://dx.doi.org/10.1177/0363546518812435.

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Background: In anterior cruciate ligament–deficient (ACL-D) knees, injury pattern and bony morphologic features have been shown to influence both static anterior tibial subluxation relative to the femur and dynamic rotatory knee laxity. Therefore, the relationship between static anterior tibial subluxation and dynamic rotatory knee laxity was investigated. Purpose: To determine whether static tibial subluxation as measured on magnetic resonance imaging (MRI) is associated with the grade of rotatory knee laxity in ACL-D knees. Study Design: Cross-sectional study; Level of evidence, 3. Methods:

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Lian, Jayson, João V. Novaretti, Andrew J. Sheean, Neel K. Patel, Adam Popchak, and Volker Musahl. "Static Lateral Tibial Plateau Subluxation Predicts the Grade of Rotatory Knee Laxity in ACL-Deficient Knees." Orthopaedic Journal of Sports Medicine 7, no. 7_suppl5 (2019): 2325967119S0029. http://dx.doi.org/10.1177/2325967119s00296.

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Objectives: In anterior cruciate ligament-deficient (ACL-D) knees, injury pattern and bony morphology have been shown to influence both static anterior tibial subluxation relative to the femur and dynamic rotatory knee laxity. Therefore, the relationship between static anterior tibial subluxation and dynamic rotatory knee laxity was investigated. The goal of this study was to determine if static tibial subluxation as measured on magnetic resonance imaging (MRI) was associated with the grade of rotatory knee laxity in ACL-D knees. Methods: Two-hundred and fifty-eight knees underwent preoperativ

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Chiba, Daisuke, Yuji Yamamoto, Yuka Kimura, et al. "Association Between Early Postoperative Graft Signal Intensity and Residual Knee Laxity After Anterior Cruciate Ligament Reconstruction." Orthopaedic Journal of Sports Medicine 10, no. 7 (2022): 232596712211096. http://dx.doi.org/10.1177/23259671221109608.

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Background: Magnetic resonance imaging (MRI) graft signal intensity is associated with graft damage after anterior cruciate ligament reconstruction (ACLR). However, little is known about the relationship between graft signal intensity and residual laxity of the reconstructed knee based on patient age. Purpose/Hypothesis: To evaluate the relationship between graft signal intensity and residual laxity in younger and older patients who underwent ACLR. We hypothesized that higher graft signal intensity would be associated with reduced postoperative knee stability. Study Design: Cohort study; Level

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Cristiani, Riccardo, Erik Rönnblad, Björn Engström, Magnus Forssblad, and Anders Stålman. "Medial Meniscus Resection Increases and Medial Meniscus Repair Preserves Anterior Knee Laxity: A Cohort Study of 4497 Patients With Primary Anterior Cruciate Ligament Reconstruction." American Journal of Sports Medicine 46, no. 2 (2017): 357–62. http://dx.doi.org/10.1177/0363546517737054.

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Background: There are still controversies regarding the effects on knee laxity of additional meniscus resection or repair in the setting of anterior cruciate ligament reconstruction (ACLR). Hypothesis/Purpose: The purpose was to determine the effects on knee laxity of resection or repair of medial meniscus (MM) or lateral meniscus (LM) injuries in the ACLR knee. The hypothesis was that patients with an additional meniscus resection would have significantly increased postoperative knee laxity versus that of an isolated ACLR, whereas patients with meniscus repair would have laxity comparable to

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Bernardini, Isabelle, Daniel N’Dele, and Franck Accadbled. "Influence of a posteromedial meniscocpsular injury on the tibiofemoral joint laxity: A cadaveric study." Orthopaedic Journal of Sports Medicine 7, no. 5_suppl3 (2019): 2325967119S0021. http://dx.doi.org/10.1177/2325967119s00215.

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Objectives Up to 61% of meniscal tears can be associated with ACL ruptures. These lesions lead to anterior and rotary laxity increase. Posterior peripheral meniscocaspsular tear of medial meniscus is also called ramp lesion. Prevalence of this kind of lesion is 9% to 17% in adults and up to 23% in pediatric popultation. The aim of this study was to determined anterior laxity of cadaveric ACL deficient knees. Hypothesis was to find a correlation between size of ramp lesion and laxity in order to determine a threshold of size for which reparation is mandatory. Methods Twelve fresh cadaveric knee

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Packer, Jonathan D., Michael J. Foster, Geoffrey M. Riley, et al. "Capsular thinning on magnetic resonance arthrography is associated with intra-operative hip joint laxity in women." Journal of Hip Preservation Surgery 7, no. 2 (2020): 298–304. http://dx.doi.org/10.1093/jhps/hnaa018.

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Abstract Hip microinstability is a recognized cause of hip pain in young patients. Intra-operative evaluation is used to confirm the diagnosis, but limited data exist associating magnetic resonance arthrography (MRA) findings with hip microinstability. To determine if a difference exists in the thickness of the anterior joint capsule and/or the width of the anterior joint recess on MRA in hip arthroscopy patients with and without an intra-operative diagnosis of hip laxity. Sixty-two hip arthroscopy patients were included in the study. Two musculoskeletal radiologists blinded to surgical result

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Cho, Byung-Ki, and Seung-myung Choi. "Is Generalized Ligamentous Laxity a Prognostic Factor for Recurred Hallux Valgus Deformity?" Foot & Ankle Orthopaedics 3, no. 3 (2018): 2473011418S0018. http://dx.doi.org/10.1177/2473011418s00188.

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Category: Bunion Introduction/Purpose: It is still unclear whether generalized ligamentous laxity is a risk factor for recurred hallux valgus deformity. This study was performed to evaluate the intermediate-term clinical outcomes after proximal chevron osteotomy for hallux valgus in patients with generalized ligamentous laxity, and to determine the effect on postoperative recurrence of deformity. Methods: A total of 198 feet from 169 female patients were treated with a proximal chevron osteotomy for hallux valgus with a mean follow-up of 46.3 months. When generalized ligamentous laxity was def

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Smith, Gail K., Darryl N. Biery, and Thomas P. Gregor. "New concepts of coxofemoral joint stability and the development of a clinical stress-radiographic method for quantitating hip joint laxity in the dog." Journal of the American Veterinary Medical Association 196, no. 1 (1990): 59–70. http://dx.doi.org/10.2460/javma.1990.196.01.59.

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Summary From mechanical principles and postmortem observations of coxofemoral joints of dogs, a hydrostatic mechanism influencing hip joint stability was discovered. This discovery led to the development of a stress-radiographic positioning method to quantitate hip joint laxity in dogs. The method incorporated 2 views with the dog in supine position and hips at neutral flexion/extension angle: a compression view, with the femoral heads fully seated in the acetabula; and a distraction view, with the femoral heads at maximal lateral displacement. An index measurement method was formulated to qua

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Naderan, Mohammad, Ali Jahanrad, and Mahgol Farjadnia. "Prevalence of Eyelid Laxity and its Association with Ophthalmic Findings and Disease Severity in Patients with Keratoconus." European Journal of Ophthalmology 27, no. 6 (2017): 670–74. http://dx.doi.org/10.5301/ejo.5000937.

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Purpose To investigate the prevalence of eyelid laxity and quantify eyelid measurements in normal and keratoconic eyes and the correlations of these findings with ophthalmic parameters and disease severity in patients with keratoconus (KC). Methods In a prospective case-control study, prevalence of eyelid laxity and eyelid measurements were evaluated in 53 patients with KC and the same number of matched healthy controls. The eyelid measurements were compared between the groups, as well as mean keratometry (K), central and thinnest corneal thickness (CCT and TCT), astigmatism, manifest refracti

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GARCIA-ELIAS, M., T. PITÁGORAS, and A. GILABERT-SENAR. "Relationship Between Joint Laxity and Radio-Ulno-Carpal Joint Morphology." Journal of Hand Surgery 28, no. 2 (2003): 158–62. http://dx.doi.org/10.1016/s0266-7681(02)00364-9.

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The relationships between wrist laxity, ulnar variance, sigmoid notch inclination, and lunotriquetral motion were analysed in 60 normal volunteers. A strong correlation between ulnar length and sigmoid notch inclination was found for the entire group. Joint laxity was found to correlate with ulnar variance and lunotriquetral mobility in women, but not in men. The greater the laxity, the shorter the ulna and the greater the lunotriquetral motion during radial to ulnar deviation. These results support the concept that laxity increases the vulnerability of the wrist to injury.

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Allott, N., M. Banger, J. Korgaonkar, R. Thomas, and A. McGregor. "QUANTIFYING ANTERIOR MEDIAL ROTATIONAL STABILITY IN ANTERIOR CRUCIATE LIGAMENT-INJURED PATIENTS WITH ASSOCIATED COLLATERAL INVOLVEMENT." Orthopaedic Proceedings 105-B, SUPP_18 (2023): 6. http://dx.doi.org/10.1302/1358-992x.2023.18.006.

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IntroductionAnterior tibial translation (ATT) is assessed in the acutely injured knee to investigate for ligamentous injury and rotational laxity. Specifically, there is a growing recognition of the significance of anterior medial rotary laxity (AMRI) as a crucial element in assessing knee stability. Anterior cruciate ligament (ACL) injuries are often accompanied with medial collateral ligament (MCL) damage. It has been suggested that Deep MCL (dMCL) fibres are a primary restraint in rotational displacement. This research aims to quantify the difference in rotational laxity of patients with AC

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Gomes, Eluana, Renato Andrade, Cristina Valente, et al. "Inconsistency in Shoulder Arthrometers for Measuring Glenohumeral Joint Laxity: A Systematic Review." Bioengineering 10, no. 7 (2023): 799. http://dx.doi.org/10.3390/bioengineering10070799.

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There is no consensus on how to measure shoulder joint laxity and results reported in the literature are not well systematized for the available shoulder arthrometer devices. This systematic review aims to summarize the results of currently available shoulder arthrometers for measuring glenohumeral laxity in individuals with healthy or injured shoulders. Searches were conducted on the PubMed, EMBASE, and Web of Science databases to identify studies that measure glenohumeral laxity with arthrometer-assisted assessment. The mean and standard deviations of the laxity measurement from each study w

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Teng, Shaohua, Wei Zhang, Haibin Zhu, Xiufen Fu, Jiangyi Su, and Baoliang Cui. "A Least-Laxity-First Scheduling Algorithm of Variable Time Slice for Periodic Tasks." International Journal of Software Science and Computational Intelligence 2, no. 2 (2010): 86–104. http://dx.doi.org/10.4018/jssci.2010040105.

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The LLF (Least Laxity First) scheduling algorithm assigns a priority to a task according to its executing urgency. The smaller the laxity value of a task is, the sooner it needs to be executed. When two or more tasks have same or approximate laxity values, LLF scheduling algorithm leads to frequent switches among tasks, causes extra overhead in a system, and therefore, restricts its application. The least switch and laxity first scheduling algorithm is proposed in this paper by searching out an appropriate common divisor in order to improve the LLF algorithm for periodic tasks.

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SHINOHARA, T., R. NAKAMURA, M. SUZUKI, and N. MAEDA. "Extensor Mechanism Laxity at the Metacarpophalangeal Joint as Identified by a New Provocative Test: Predisposition to Dislocation." Journal of Hand Surgery 30, no. 1 (2005): 79–82. http://dx.doi.org/10.1016/j.jhsb.2004.09.002.

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A tendon subluxation test was performed on the unaffected side in 13 patients with traumatic extensor tendon dislocation of the middle finger and on both middle fingers in 800 healthy controls to identify extensor mechanism laxity at the metacarpophalangeal joint. Ten of the 13 patients with dislocation had laxity of middle finger extensor tendon, compared with 174 of the 800 (22%) controls. The difference in these rates of extensor tendon laxity is significant ( P<0.0001), and suggests that extensor mechanism laxity at the metacarpophalangeal joint may predispose to traumatic extensor tend

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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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Wada, Keizo, Daisuke Hamada, Tomoya Takasago, et al. "Rotational and varus–valgus laxity affects kinematics of the normal knee: A cadaveric study." Journal of Orthopaedic Surgery 27, no. 3 (2019): 230949901987372. http://dx.doi.org/10.1177/2309499019873726.

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Purpose: The aim of this study was to evaluate the relationship between soft tissue laxity and kinematics of the normal knee using a navigation system. Methods: Fifteen cadaveric knees from 11 fresh frozen whole-body specimens were included in this study. The navigation system automatically recorded the rotation angle of the tibia as the internal–external (IE) kinematics and the coronal alignment of the lower limb as the varus–valgus (VV) kinematics. These measurements were made with the joint in maximal extension, at 10° intervals from 0° to 120° of flexion, and at maximal flexion during pass

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McMaster, William C., Andrew Roberts, and Terry Stoddard. "A Correlation Between Shoulder Laxity and Interfering Pain in Competitive Swimmers." American Journal of Sports Medicine 26, no. 1 (1998): 83–86. http://dx.doi.org/10.1177/03635465980260013201.

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Shoulder pain in the swimming athlete that interferes with effective training is serious and may result in decreased performance. Based on the hypothesis that shoulder laxity is an important factor in shoulder pain, this study of 40 senior national and elite swimmers was undertaken. A questionnaire identified those athletes currently suffering from such pain. Shoulder laxity was assessed using standard clinical tests, from which a laxity score was derived. A statistically significant correlation was identified between the shoulder laxity score and the presence of interfering shoulder pain, con

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Boutsiadis, Achilleas, Jean-Claude Panisset, Brian M. Devitt, Frédéric Mauris, Renaud Barthelemy, and Johannes Barth. "Anterior Laxity at 2 Years After Anterior Cruciate Ligament Reconstruction Is Comparable When Using Adjustable-Loop Suspensory Fixation and Interference Screw Fixation." American Journal of Sports Medicine 46, no. 10 (2018): 2366–75. http://dx.doi.org/10.1177/0363546518784005.

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Background: Adjustable-loop suspensory fixation (ALSF) devices are commonly used in anterior cruciate ligament reconstruction (ACLR). However, concern exists regarding the potential for lengthening under cyclical loads. Purpose: To compare the residual anterior laxity of 2 methods of femoral fixation, ALSF versus interference screw fixation, in patients undergoing isolated ACLR in the absence of meniscal injuries. To determine the preoperative risk factors associated with residual postoperative anterior laxity. Study Design: Cohort study; Level of evidence, 3. Methods: A retrospective analysis

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Needle, Alan R., Jacqueline A. Palmer, Trisha M. Kesar, Stuart A. Binder-Macleod, and C. Buz Swanik. "Brain Regulation of Muscle Tone in Healthy and Functionally Unstable Ankles." Journal of Sport Rehabilitation 22, no. 3 (2013): 202–11. http://dx.doi.org/10.1123/jsr.22.3.202.

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Context:Current research into the etiology of joint instability has yielded inconsistent results, limiting our understanding of how to prevent and treat ligamentous injury effectively. Recently, cortical reorganization was demonstrated in patients with ligamentous injury; however, these neural changes have not been assessed relative to joint laxity.Objective:The purpose of the current study was to determine if changes in cortical excitability and inhibition occur in subjects with functional ankle instability, as well as to investigate the relationship between these measures and joint laxity.De

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Shelbourne, K. Donald, and Tinker Gray. "Natural History Study of Athletes with PCL-Deficient Knees." Journal of Sport Rehabilitation 8, no. 4 (1999): 279–88. http://dx.doi.org/10.1123/jsr.8.4.279.

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Few natural history studies exist of patients with isolated posterior cruciate ligament (PCL) injuries. This report reviews a study of 133 patients followed prospectively for a mean of 5.4 years from the time of their PCL injury. The mean subjective score was 84 of 100 points, and the scores were not statistically different for different grades of PCL laxity. The injured PCL usually healed with some laxity, but the laxity did not increase with time from injury. There was a trend toward medial joint arthrosis, but it was not related to the grade of PCL laxity. Regardless of PCL laxity, 1/2 of p

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Nugraha, Yudi Purnama, and Ghuna Arioharjo Utoyo. "Lachman Test on ACLR With Internal Bracing at Hasan Sadikin General Hospital Bandung." Orthopaedic Journal of Sports Medicine 11, no. 2_suppl (2023): 2325967121S0089. http://dx.doi.org/10.1177/2325967121s00899.

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Introduction: The growing popularity of recreational and competitive sport activities has contributed to an increased number of anterior cruciate ligament (ACL) injuries in the past three decades. Because of its varying success rates, anterior cruciate ligament reconstruction (ACLR) is considered the gold standard surgical treatment for ACL rupture. ACLR in hyperlaxity patients has unpredictable outcomes because of its flexibility, therefore utilizing an internal brace aims to obtain a rigid fixation such as the enthesis structure. Methods: This prospective case series study was done from Augu

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Pandey, Chakra Raj, Rajiv Baral, Sunit Dahal, Sushil Sharma, Aayush Bajracharya, and Ram Thapa. "Preliminary assessment of knee laxity after anterior cruciate ligament reconstruction using bone patellar tendon bone and hamstring graft." Grande Medical Journal 1, no. 2 (2019): 92–95. http://dx.doi.org/10.3126/gmj.v1i2.27062.

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Introduction: Laxity after anterior cruciate ligament reconstruction is one of the troublesome problems lasting many years. Laxity can be tested by clinical and arthrometer preoperatively as well as postoperatively. The purpose of this study is to evaluate postoperative laxity in Nepalese population. Materials & methods: This retrospective study was carried out in Grande International Hospital, Kathmandu. All cases which had completed six-months follow up and presented in outpatient department were included in the study. Laxity was tested by Karl Storz Arthrometer using anterior forc

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Arnold, Markus P., Denny T. T. Lie, Nico Verdonschot, Ruurd de Graaf, Andrew A. Amis, and Albert van Kampen. "The Remains of Anterior Cruciate Ligament Graft Tension after Cyclic Knee Motion." American Journal of Sports Medicine 33, no. 4 (2005): 536–42. http://dx.doi.org/10.1177/0363546504269938.

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Background There is sometimes a return of excess knee laxity after anterior cruciate ligament reconstruction. One of the contributing factors might be a loss in graft tension. It is unknown whether the tension imposed on an anterior cruciate ligament graft degrades with time and, if so, the effect of that loss of tension on knee laxity. Hypotheses The pretension in the anterior cruciate ligament graft reduces significantly within the first 500 motion cycles, and this decrease in graft tension causes an increase in knee laxity. Study Design Controlled laboratory study. Methods This study measur

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Lee, Hongsuk, Hyunsoo Kim, Ty Hopkins, and S. Jun Son. "Analysis of Ankle Laxity, Self-reported Function, and Perceived Instability in Chronic Ankle Instability, Coper, and Control Groups." Exercise Science 30, no. 1 (2021): 43–51. http://dx.doi.org/10.15857/ksep.2021.30.1.43.

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PURPOSE:This study aimed to identify differences in ankle laxity in chronic ankle instability (CAI), coper, and control groups, and a correlation between ankle laxity, self-reported function, and perceived instability.METHODS: Sixty-six participants (22 CAI patients, 22 copers, and 22 controls) selected by recommendations of the International Ankle Consortium volunteered for this study. Foot and Ankle Ability Measure Activities of Daily Living (FAAM-ADL), FAAM-Sports, and Ankle Instability Instrument (AII) were used to assess participants’ self-reported function and perceived instability. The

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Taylor, Jeffrey B., Hsin-Min Wang, Randy J. Schmitz, Christopher K. Rhea, Scott E. Ross, and Sandra J. Shultz. "Multiplanar Knee Laxity and Perceived Function During Activities of Daily Living and Sport." Journal of Athletic Training 50, no. 11 (2015): 1199–206. http://dx.doi.org/10.4085/1062-6050-50.11.10.

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Context Greater knee-joint laxity may lead to a higher risk of knee injury, yet it is unknown whether results of self-reported outcome measures are associated with distinct knee-laxity profiles. Objective To identify the extent to which multiplanar knee laxity is associated with patient-reported outcomes of knee function in healthy individuals during activities of daily living and sport. Design Descriptive laboratory study. Setting University research laboratory. Patients or Other Participants Forty healthy individuals (20 men, 20 women; age = 18–31 years). Main Outcome Measure(s) All particip

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Brandfonbrener, Alice G. "Joint Laxity and Arm Pain in a Large Clinical Sample of Musicians." Medical Problems of Performing Artists 17, no. 3 (2002): 113–15. http://dx.doi.org/10.21091/mppa.2002.3017.

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Joint laxity has long been reputed to be a risk factor for injury among instrumental musicians. The author reviewed the records of 2,387 instrumentalists seen at the Medical Program for Performing Artists from 1985 to March 2002. Of the 1,300 patients with lower-arm, wrist, and hand pain, 57% were females and 43% were males. For the purpose of analyzing these musicians’ injuries, the author defines joint laxity as being more than 10 degrees hyper-extensibility of the metacarpophalangeal and/or proximal interphalangeal finger joints. Using this definition, an average of 35% of the female musici

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Smith, G. K., M. G. Conzemius, H. M. Saunders, C. M. Hill, T. P. Gregor, and K. A. Hassinger. "Effect of the Oestrus Cycle on Coxofemoral Joint Laxity." Veterinary and Comparative Orthopaedics and Traumatology 10, no. 02 (1997): 69–74. http://dx.doi.org/10.1055/s-0038-1632573.

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SummaryA few investigations in the 1960’s were performed to document the effect of exogenous oestrogens on development of hip dysplasia. These projects concluded that oestrogen administration caused a significant increase in hip dysplasia. Additionally, the Orthopaedic Foundation for Animals (OFA) has recommended that bitches should not have hip evaluation for certification during oestrus, due to the possibility of increased coxofemoral joint laxity. The purpose of this project was to determine if physiological fluctuations of oestrogen and progesterone throughout the oestrus cycle significant

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McAuliffe, MJ, G. Garg, JA Roe, A. Vakili, SL Whitehouse, and RW Crawford. "How balanced is the knee when we start a total knee replacement?" Orthopaedic Journal of Sports Medicine 5, no. 5_suppl5 (2017): 2325967117S0016. http://dx.doi.org/10.1177/2325967117s00162.

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Objectives: Optimal coronal plane alignment for total knee arthroplasty (TKA) remains controversial. Understanding the pre-operative soft tissue status is important for optimizing the soft tissue envelope during TKA. The purpose of this study was to define the corrected, neutral (“pre-disease”) HKAA of end stage osteoarthritic knees prior to TKA and from this point measure the medial and lateral laxity of varus and valgus knees in maximum extension, 20 and 90° of flexion prior to TKA. Methods: We conducted an observational cohort study. During surgery, the lower limb was manipulated using comp

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