Category: F

An index of the number of calories an individual needs to ingest to maintain a given weight or percent body fat.  

Energy can neither be created nor destroyed but can only change in form.  

A performance-based test that can be conducted anywhere, and that estimates the values measured by the criterion test.  

An equation used to calculate cardiac output from oxygen consumption (VO2,) and arteriovenous oxygen difference (a-vO2,diff).  

A syndrome of interrelated conditions including disordered eating, menstrual dysfunction, and skeletal demineralization. Disordered eating, absence of menstruation, and loss of bone mass, which may occur in female athletes. The number of girls participating in sports has increased tremendously in the past three decades. However, in recent years a new concern has arisen with the…

Percentage of peak power drop-off during high-intensity, short-duration work.  

The weight of body tissue excluding extract-able fat.  

Fibers Fast-twitch muscle fibers that can work under oxidative and glycolytic conditions.  

Fast-twitch muscle fibers that perform primarily under glycolytic conditions.  

A type of training session, named from the Swedish word meaning “speed play,” that combines the aerobic demands of a continuous run with the anaerobic demands of sporadic speed intervals.