Athletes devote their lives to practicing their chosen sport so as to attain the highest level of skilled performance. A perennial question is why are some athletes better than others? Most debates on this issue reduce to genetics (natural abilities) vs differences in accumulated deliberative practice. In contrast, the target article under discussion here reports on a study that identified psyc...

OBJECTIVE Box model trainers have been used for many years to facilitate the improvement of laparoscopic skills. However, there are limited data available on box trainers and their impact on skill acquisition, assessed by virtual reality systems. MATERIAL AND METHODS Twenty-two Postgraduate Year 1 gynecology residents with no laparoscopic experience were randomly divided into one group that r...

THE GRAPPLING SPORTS OF JUDO, JIU-JITSU, AND WRESTLING REQUIRE THE ATHLETE TO BE IN PEAK PHYSICAL SHAPE. SPECIFIC TRAINING TARGETING ALL HEALTHAND SKILL-RELATED FITNESS CONDITIONING COMPONENTS IS NEEDED TO MAXIMIZE SUCCESS IN GRAPPLING SPORTS. STRENGTH AND CONDITION PROGRAMS FOR GRAPPLERS CONSIST OF WEIGHT, PLYOMETRIC, AGILITY, FLEXIBILITY, SPEED, AND AEROBIC TRAINING ALL PROPERLY PERIODIZED AN...

This paper lays the groundwork for a theory of time allocation across the life course, based on the idea that strength and skill vary as a function of age, and that return rates for different activities vary as a function of the combination of strength and skills involved in performing those tasks. We apply the model to traditional human subsistence patterns. The model predicts that young child...