different muscle contractions

Question 1

1st type of muscle contraction

Answer 1

as the muscle contracts (less than 100% of resting length) crossbridge linkage formation is impaired due to too much overlap of the myofilaments

Question 2

2nd type of muscle contraction

Answer 2

a muscles normal resting length allows for optimal overlap of the myofilaments, therefore maximising cross-bridge attachment

Question 3

3rd type of muscle contraction

Answer 3

the muscle is stretched beyond its normal resting state (i.e greater than 100%) the reduced overlap of myofilaments causes a decrease in the number of available binding sites

Question 4

what does force lenth relate to

Answer 4

force length relates directly to the mid range (resting length) of the a muscle the greatest force production can be generated due to the maximal/optimal overlap of actin and myosin

Question 5

relate force velocity to anatomy

Answer 5

will contract his muscles slowly on a concentric contraction. this will allow time for the sarcomere/muscle to form maximum number of cross bridges