Month: August 2020
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Female athlete triad
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…
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Fatigue Index (FI)
Percentage of peak power drop-off during high-intensity, short-duration work.
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Fat-free weight
The weight of body tissue excluding extract-able fat.
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Fast oxidative glycolytic (FOG, Type FLA or Ila)
Fibers Fast-twitch muscle fibers that can work under oxidative and glycolytic conditions.
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Fast glycolytic (FG, TypeHXor IIx) fibers
Fast-twitch muscle fibers that perform primarily under glycolytic conditions.
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Fartlek workout
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.
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External respiration
The exchange of gases between the lungs and the blood. The exchange of gases in the lungs; oxygen diffuses from the air to the blood, and carbon dioxide diffuses from the blood to the air.
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Exertional heatstroke
A life-threatening illness characterized by high body temperature and central nervous system dysfunction.
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Exertional heat illness (EH3)
A range of multisystem illnesses related to elevated body core temperature and the cardiovascular and metabolic processes that result from exercise and the body’s thermoregulatory response.
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Exertional heat injury
A moderate to severe progressive multi-system disorder, with hyperthermia accompanied by organ damage or severe dysfunction.