nerve impulse initiated in the motor neurone, nerve impulse conducted down axon of the motor neurone to muscle fibres, muscle fibres contract if electrical charge is above threshold, muscle contract in an all or none fashion
slow twitch fibres
stamina and endurance as they create energy aerobically
fast oxidative glycolic fibres
muscular endurance and high intensity as they produce energy anaerobically and are more resistant to fatigue
fast glycolic fibres
explosive and powerful as they produce their energy anaerobically but fatigue much quicker than type 2a
