motor units

Question 1

small motor

Answer 1

slow contraction, fatigue resistant, utilised for long activities: like walking

Question 2

large motor

Answer 2

fast contraction, fatigues quicker, used for high force activities: like sprinting

Question 3

hennemean principal;

Answer 3

recruitment of motor units within a skeletal muscle happens first then bigger units are recruited

Question 5

all or nothing principal

Answer 5

nerve impulse will not stimulate a a muscle until the certain threshold level is needed