Document Detail


Effects of an acute hamstring stretch in people with and without osteoarthritis of the knee.
MedLine Citation:
PMID:  20113758     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To compare the effects of an acute stretching intervention on knee extension range of motion, passive resistive torque and stiffness in subjects with osteoarthritis of the knee, and to compare these variables with subjects without osteoarthritis. DESIGN: Cross-sectional experimental study. SETTING: Human performance laboratory. PARTICIPANTS: A total of 55 participants were recruited: 28 subjects (males and females) with osteoarthritis of the knee joint and 27 subjects of a similar age without osteoarthritis of the knee joint. INTERVENTION: Using the Kincom dynamometer, three 60-second stretches with 60seconds of rest between stretches were applied to the hamstring muscle group. MAIN OUTCOME MEASURES: Peak knee extension range of motion, peak passive torque and stiffness in the final 10% of knee extension range of motion. RESULTS: A significant (P<0.05) increase in knee extension range of motion, peak passive torque and stiffness was observed in both groups. For knee extension range of motion, the mean difference for the osteoarthritis group and non-osteoarthritis group was 4.9 degrees [95% confidence interval (CI) 0.9 to 8.5] and 4.4 degrees (95% CI 1.8 to 6.8), respectively. For peak passive torque, the mean difference in the osteoarthritis group and the non-osteoarthritis group was 4.4Nm (95% CI 0.8 to 6.9) and 1.0Nm (95% CI -1.4 to 3.5), respectively. For stiffness in the final 10% of knee extension range of motion, the mean difference for the osteoarthritis group and the non-osteoarthritis group was 0.19Nm/degree (95% CI 0.08 to 0.3) and 0.04Nm/degree (95% CI -0.05 to 0.1), respectively. Stiffness in the final 10% of knee extension range of motion was significantly higher in the osteoarthritis group compared with the non-osteoarthritis group after stretching. CONCLUSIONS: Elderly individuals with and without osteoarthritis of the knee are able to demonstrate immediate beneficial adaptations to a stretching intervention. This is important as stretching is often used in preparation for exercise programmes.
Authors:
Duncan A Reid; Peter J McNair
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-09-04
Journal Detail:
Title:  Physiotherapy     Volume:  96     ISSN:  1873-1465     ISO Abbreviation:  Physiotherapy     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-01     Completed Date:  2010-04-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401223     Medline TA:  Physiotherapy     Country:  England    
Other Details:
Languages:  eng     Pagination:  14-21     Citation Subset:  IM    
Affiliation:
Health and Rehabilitation Research Centre, School of Rehabilitation and Occupation Studies, Auckland University of Technology, Private Bag 92006, Auckland, New Zealand. duncan.reid@aut.ac.nz
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MeSH Terms
Descriptor/Qualifier:
Aged
Cross-Sectional Studies
Female
Humans
Knee / physiopathology
Male
Middle Aged
Muscle Stretching Exercises*
Muscle, Skeletal*
Osteoarthritis, Knee / therapy*
Pliability
Range of Motion, Articular
Thigh*
Torque

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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