Principles of Exercise Rehabilitation

Physical Stress Theory[edit | edit source]

According to Mueller and Maluf[1], biological tissues adapt to changes in the levels of applied stress. Maintaining tissue tolerance is essential to prevent tissue atrophy, whereas overloading result in hypertrophy. Excessively high level of stresses lead to tissue injury and damage. The magnitude, time, and direction of stress application determine the overall level of exposure to physical stress. Injury may occur due to a high-magnitude stress applied for a brief period, a low-magnitude stress applied for a long duration, and a moderate-magnitude stress applied to the tissue many times.

  1. Mueller MJ, Maluf KS. Tissue adaptation to physical stress: a proposed “Physical Stress Theory” to guide physical therapist practice, education, and research. Physical therapy. 2002 Apr 1;82(4):383-403.