Training, Muscle Fatigue and Stress Fractures.
Annual rept. 1 May 88-30 Apr 89,
TUFTS UNIV NORTH GRAFTON MA MUSCULOSKELETAL RESEARCH LAB
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The stress fracture is one of the most frequent injuries in peacetime military populations, responsible for the militarys greatest drain of both lost recruit time and medical resources. Unfortunately, not until we prove our understanding of the causative agents of this pathology can we expect to take effective measures in diminishing its appearance. Thus far, the studies we have undertaken have demonstrated that the origins of the lesion stem from tissue remodeling, not material microdamage. As importantly, the site of the lesion, when correlated to the mechanical environment to which the bone is subjected, emphasizes that the pathology predominates in areas of least strain, not those areas subject to greatest deformation. Finally, the pathology observed in two animal models is histologically identical to that which occurs in the human condition, demonstrating the appropriateness of the extrapolation towards the pathogenesis of the human condition. These observations have led to the development of a new hypothesis which holds major implications towards the design and modification of recruit training regimen. Keywords Military training Exercise Stress fractures Bone remodeling Training Muscle fatigue Strain. kt
- Stress Physiology
- Medicine and Medical Research
- Military Forces and Organizations