Document Detail

Morphological effects of mechanical forces on the human humerus.
MedLine Citation:
PMID:  1600456     Owner:  NLM     Status:  MEDLINE    
Various mechanical forces produce a variable stimulus intensity on bone and have different effects on its growth and development. The aim of this project was to study the effects of a variety of mechanical forces on human humerus morphology. This was investigated by measuring the cortical thickness (cm) and diameter (cm) of the humerus at its proximal, middle and distal thirds from radiographs. The humerus of each of 46 men (five controls, six swimmers, eight gymnasts, seven javelin throwers, nine discus throwers and 11 weightlifters) was radiographed on both right and left sides. The humerus size variation among the participants, in order of increasing size, was found to be as follows: gymnasts, controls, swimmers, javelin throwers, weightlifters and discus throwers respectively. The humeral cortex was largest in the weightlifters, being significantly (P less than 0.05) thicker at distal, medial and proximal sites. The proximal and distal humeral sites in javelin and discus throwers were significantly thicker than those of the control subjects. From the results, static load would seem to provide a higher stimulus to bone than dynamic loading.
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  British journal of sports medicine     Volume:  26     ISSN:  0306-3674     ISO Abbreviation:  Br J Sports Med     Publication Date:  1992 Mar 
Date Detail:
Created Date:  1992-07-13     Completed Date:  1992-07-13     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0432520     Medline TA:  Br J Sports Med     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  51-3     Citation Subset:  IM; S    
Department of Sports Anatomy, Beijing Institute of Physical Education, Peoples Republic of China.
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MeSH Terms
Humerus / anatomy & histology*,  physiology
Stress, Mechanical*
Track and Field
Weight Lifting
Weight-Bearing / physiology

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