Sports science definitions and cycle coaching and training terminology

F

Fatigue

The inability to hold a given power. Technically, an increasing state from the beginning of exercise.

Fatigue index

The progressive and predictable decrease in power output as a sprint effort is made. Reported as the end power as a % of the peak power.

Fitness index

Used by British Cycling to ascertain performance potential. Calculated by expressing maximal minute power relative to body mass 0.67 (to take into consideration expected lean body mass)

Force

The strength evident in a muscle or muscle group while exerting against a resistance.

Frequency

The number of times per week that one trains.