Document Detail

Prediction of 10 repetition maximum for short-arc quadriceps exercise from hand-held dynamometer and anthropometric measurements.
MedLine Citation:
PMID:  9699159     Owner:  NLM     Status:  MEDLINE    
Short-arc quadriceps exercise are commonly prescribed in physical therapy for strengthening knee extensor musculature. Determining the appropriate starting resistance has traditionally been a trial-and-error procedure. Therefore, developing an expedient method of estimating the correct starting resistance may lead to a more accurate exercise prescription. The primary purpose of this study was to establish a technique for predicting an individual's 10 repetition maximum (10 RM) based on hand-held dynamometer (HHD) strength recording and additional anthropometric predictor variables. Fifty healthy subjects (31 males and 19 females), aged 22-53 years, participated in the study. A prediction equation for determining 10 RM using HHD strength recording, weight, gender, and age was developed. By implementing this equation, clinicians can predict a normal, healthy, young to middle-aged adult's 10 RM within +/- 4.17 kg with a 95% confidence level (SEE = 2.13 kg).
M Walsworth; R Schneider; J Schultz; C Dahl; S Allison; F Underwood; J Freund
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  The Journal of orthopaedic and sports physical therapy     Volume:  28     ISSN:  0190-6011     ISO Abbreviation:  J Orthop Sports Phys Ther     Publication Date:  1998 Aug 
Date Detail:
Created Date:  1998-10-21     Completed Date:  1998-10-21     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7908150     Medline TA:  J Orthop Sports Phys Ther     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  97-104     Citation Subset:  IM; S    
U.S. Army-Baylor University Graduate Program in Physical Therapy, Academy of Health Sciences, Fort Sam Houston, TX, USA.
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MeSH Terms
Exercise / physiology*
Exercise Tolerance / physiology*
Knee Joint / physiology*
Middle Aged
Muscle Contraction / physiology*
Muscle, Skeletal / physiology
Predictive Value of Tests
Range of Motion, Articular / physiology
Reference Values
Regression Analysis
Reproducibility of Results
Stress, Mechanical*

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

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