Muscle 4

Question 1

What is Central fatigue

Answer 1

Feeling of tiredness and a desire to cease activity

Question 2

What causes peripheral muscle fatigues

Answer 2

Accumulation of inorganic phosphate, ADP, or H

Question 3

What does velocity of shortening depend on for skeletal muscle

Answer 3

The muscles ability to hydrolyze ATP

Question 4

What are the two skeletal muscle classifications

Answer 4

Fast or slow
Oxidative or glycolytic

Question 5

Name the muscle fibre from the darkest → lightest

Answer 5

Type 1, type 2a, type2x

Question 6

Name the muscle fibre types slowest → fastest

Answer 6

Type 1, type 2a, type 2x

Question 7

Is glycolytic fast or slow

Answer 7

Fast

Question 8

What muscle fibre is easily fatigued?

Answer 8

Type 2x

Question 9

What are the determinants of muscle force? (2)

Answer 9

Initial resting length
Frequency of activation

Question 10

Does a single twitch represent the maximal force that a muscle-fibre can develop?

Answer 10

No

Question 11

What is summation?

Answer 11

Stimuli close together that do not allow the muscle to relax fully

Question 12

What is tetanus

Answer 12

A maintained contractile response to repeated stimuli

Question 13

What is one way to increase tension developed by a single muscle fibre?

Answer 13

Increase the rate at which action potentials occur in the fibre