نتایج جستجو برای: hamstring

تعداد نتایج: 2931  

Journal: :The American journal of sports medicine 2002
Mark D Shaieb Darryl M Kan Spencer K Chang Jay M Marumoto Allen B Richardson

Seventy patients with patellar tendon or hamstring tendon autografts for single-incision anterior cruciate ligament reconstruction were evaluated at least 2 years after surgery. All reconstructions were performed by the same surgeon, and metal interference screws were used for fixation of all grafts. No significant differences were noted between groups for Lysholm score, reduction in activity, ...

Journal: :Physiotherapy 2009
Lisa C White Philippa Dolphin John Dixon

OBJECTIVES To investigate whether there was a difference in hamstring length between patients with patellofemoral pain syndrome and healthy asymptomatic controls aged 18 to 35 years. DESIGN A cross-sectional observational study measuring hamstring length in patients and asymptomatic controls. SETTING Hospital physiotherapy department. PARTICIPANTS Two groups were tested; one group diagnos...

2017
Ola D. Røksund Morten Kristoffersen Bård E. Bogen Alexander Wisnes Merete S. Engeseth Ann-Kristin Nilsen Vegard V. Iversen Silje Mæland Hilde Gundersen

Aim: Hamstring strain injury is common in soccer. The aim of this study was to evaluate the physical capacity of players who have and have not suffered from hamstring strain injury in a sample of semi-professional and professional Norwegian soccer players in order to evaluate characteristics and to identify possible indications of insufficient rehabilitation. Method: Seventy-five semi-professio...

Journal: :British journal of sports medicine 2012
Gisela Sole Stephan Milosavljevic Helen Nicholson S John Sullivan

OBJECTIVE The purpose of this study was to compare the electromyographic (EMG) activity of gluteal and thigh muscles of sportspeople with a recent hamstring injury with uninjured controls during a weight-bearing task. STUDY DESIGN Cross-sectional. SETTING University laboratory. PARTICIPANTS 16 participants with a hamstring injury (hamstring-injured group, HG) and 18 control participants (...

Journal: :Scandinavian journal of medicine & science in sports 2016
M N Bourne D A Opar M D Williams A Al Najjar A J Shield

This study aimed to determine: (a) the spatial patterns of hamstring activation during the Nordic hamstring exercise (NHE); (b) whether previously injured hamstrings display activation deficits during the NHE; and (c) whether previously injured hamstrings exhibit altered cross-sectional area (CSA). Ten healthy, recreationally active men with a history of unilateral hamstring strain injury under...

Journal: :The American journal of sports medicine 2014
Mohamad Shariff A Hamid Mohamed Razif Mohamed Ali Ashril Yusof John George Leena Poh Chen Lee

BACKGROUND A hamstring injury is one of the most common types of injury affecting athletes. Despite this, the optimal management of hamstring muscle injuries is not yet defined. The effect of autologous platelet-rich plasma (PRP) therapy on the recovery of hamstring injuries is unclear. PURPOSE To investigate the effect of a single PRP injection in the treatment of grade 2 hamstring muscle in...

Journal: :The Journal of orthopaedic and sports physical therapy 1991
M A Anderson J H Gieck D H Perrin A Weltman R A Rutt C R Denegar

This study was supported in part by a grant from the Foundation for Physical Therapy, Inc. The purpose of this study was to compare the relationships among isometric, isotonic, and isokinetic concentric and eccentric quadriceps and hamstring forces and three components of athletic performance in college-aged, male athletes. Bilateral quadriceps and hamstring muscle torque were obtained (N = 39)...

2017
Justin W.Y. Lee Cheng Li Patrick S.H. Yung Kai-Ming Chan

Background/Objective Evaluating hamstring strength by isokinetic dynamometry is limited by various practical issues such as time and cost. A video-based Nordic hamstring exercise is introduced as an alternative option. The aims of this study are to evaluate 1.) the between-session reliability and 2.) concurrent validity of the testing method compared to a standardized isokinetic dynamometry. ...

Background and purpose: Almost half of non-specific knee pain can be attributed to patellofemoral pain syndrome (PFPS). There is paucity of information about the effects of different types of combination therapies including exercise and taping and optimizing training variables. The aim of this study was to evaluate the effectiveness of combination of taping and quadriceps strengthening and hams...

Journal: :علوم زیستی ورزشی 0
مرتضی سنگدوینی کارشناس ارشد فیزیولوژی ورزشی دانشگاه گلستان بهمن میرزایی دانشیار دانشگاه گیلان علی مصطفی لو کارشناس ارشد آسیب شناسی ورزشی دانشگاه آزاد اسلامی واحد مینودشت احسان سعیدی کارشناس ارشد فیزیولوژی ورزشی

the purpose of the present study was to investigate whether duration of static stretching could affect the maximal voluntary contraction (mvc) and flexibility of hamstring muscles. 10 male physical education students randomly performed three warm-up protocols on different days. the protocols included: a) five minutes of treadmill run and 45 seconds (3×15 seconds) of static stretching of hamstri...

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