Health is a multidisciplinary field, and the ideal health educator is well versed in physiodynamics, psychodynamics, and sociodynamics; in addition, the health educator must understand and communicate the interrelationship between these facts of health. (MJB)

This study investigated the muscular torques and joint forces during the parallel squat as performed by weightlifters. (JD)

An explanation of the difference between the terms isosmotic and isotonic, and an experiment to demonstrate this difference are presented. (BB)

Cadmium levels in the environment, food, and human tissue are given. The industrial uses and toxicology of the element are discussed. (BB)

An assessment of the effects of rest intervals of varying lengths following a five minute warm-up revealed no significant differeence among them for perceived exertion, heart rate, and state anxiety. (MB)

Results of this research suggest that cardiorespiratory and body adaptations were independent from the two modes of training (high resistance-slow rate/low resistance-fast rate exercise on the bicycle ergometer) used in the study. (MB)

A review of research on the effect of hypermobility on knee injury indicates that greater than normal joint flexibility may be necessary for some athletic endeavors and that it may be possible to change one's underlying flexibility through training. However, for most athletes, inherited flexibility probably plays only a small role, if any, in…

A review of research studies suggesting that girls who exercise vigorously may experience disruptions in maturational processes suggests that carefully-monitored sports participation and training have no effect on growth and maturation. (Author/CB)

This study of 10 seven- to nine-year-old boys was undertaken to determine the electromyographic activity of four muscles in the supporting leg during one foot static balancing. Results are presented and analyzed. (Author/MT)

The physiological responses and adaptations which occur as a result of resistance training, such as cardiovascular responses, serum lipid count, body composition, and neural adaptations are discussed. Changes in the endocrine system are also described. (JL)

The question of whether or not a lifelong program of exercise actually has a bearing on longevity is discussed. The effects of exercise on the aging process, and the longevity-exercise relationship are reviewed. The conflicting evidence on the subject is presented. (JL)

This study attempted to identify 27 kinematic variables for the jerk (in weightlifting) which would discriminate between weightlifters of different skill levels. Identifying these generic characteristics may help coaches in training weightlifters to overcome shortcomings in their performance. Methodology and results are discussed. (Author/JL)

A visit to the Exercise Physiology Laboratory at the University of Tennessee is part of a physical education class required of all undergraduate students. The laboratory demonstration stimulates student interest and enrollment in physical education. Benefits to students, the laboratory, and the school are described. (MT)