Chronic bronchitis isnât contagious, but itâs a serious health problem that requires a doctorâs care. Acute, which can last for 1 to 3 weeks. Itâs usually caused by cold or flu viruses.
body movement, motion of all or part of the body, especially at a joint or joints. Body movements include abduction, adduction, extension, flexion, rotation and circumduction.
Quick Answer. Body mechanics is defined as the study of proper body movement to prevent and correct posture problems, reduce stress and enhance physical capabilities, according to About.com. Most back problems can be attributed to poor body mechanics. Continue Reading.