Chaffin, D B <br/><br/>
Human strength capability and low-back pain.  [electronic resource] 

 -  Journal of occupational medicine. : official publication of the Industrial Medical Association  Apr 1974 
 - 248-54 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-1736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Absenteeism<br/>Age Factors<br/>Back Pain--epidemiology<br/>Biomechanical Phenomena<br/>Disability Evaluation<br/>Female<br/>Humans<br/>Lumbar Vertebrae--diagnostic imaging<br/>Male<br/>Occupational Medicine<br/>Physical Exertion<br/>Probability<br/>Radiography<br/>Recurrence<br/>Sex Factors<br/>Spine--physiology