Describes research on synergistic effects of alcohol and other drugs, particularly barbiturates. Proposes biochemical mechanisms to explain alcoholics' tolerance of other drugs when sober, and increased sensitivity when drunk. (AL)

Objective measures reveal elevated heart rates for first-borns. (MH)

In trying to understand the attitudes of adolescents about their skin or any other problem physicians must honestly examine attitudes toward the adolescent. Physicians must accept and understand that adolescence is the age of the final unfolding of the personality. Presented at the 12th National Conference on Physicians and Schools, Chicago, 1969.…

For steady state resting and mild, steady state exercise conditions, the Haldane transformation is valid and technically preferable to direct calculations of V02. (PBS)

Investigated whether exercise would alter the partitioning of dietary fat between oxidation and storage. Seven women participated in rest, light exercise, and heavy exercise. Researchers calculated stationary cycle exercise sessions and dietary fat oxidation. Prior exercise had a positive effect on oxidation of dietary monosaturated fat but not…

Addresses general performance errors in weight training, also discussing each category of error separately. The paper focuses on frequency and intensity, incorrect training velocities, full range of motion, and symmetrical training. It also examines specific errors related to the bench press, squat, military press, and bent- over and seated row…

Investigated whether normal children could self-regulate intermittent cycle ergometer exercise using a prescribed target rating of perceived exertion (RPE), discriminate between target RPEs, and produce intermittent target RPEs in ascending and descending sequences. RPE was estimated using the Children's OMNI Scale of Perceived Exertion. Overall,…

Calculated the reproducibility and precision for VO2 during moderate paced walking and four housework and gardening activities, examining which rated at least 3.0 when calculating exercise intensity in METs and multiples of measured resting metabolic rate (MRM). VO2 was measured with reproducibility and precision. Expressing energy expenditure in…

Examined the relationship between weight lifted in one year of progressive strength training and change in bone mineral density (BMD) among calcium-supplemented, postmenopausal women. BMD was measured at baseline and after one year. Evidence of a linear relationship between BMD change and total and exercise-specific weight lifted during the 1-year…

Overuse injuries result from repetitive microtrauma to the body. This paper introduces the concept of performance variability and expands the concept to an attitude of exercise variability, which may be helpful in avoiding overuse injuries. It explains what to watch out for with overuse injuries and presents suggestions for avoiding overuse…

Details some of the many martial arts training techniques and their potential applications for inclusion in performance enhancement programs, focusing on the benefits of martial training, the arts continuum, and martial arts training modes. The article concludes that the various martial arts techniques provide a stimulating and intuitively…