Muscle Physiology

Question 1

Aerobic

Answer 1

Type I

Question 2

Red

Answer 2

Type I

Question 3

Tonic

Answer 3

Type I

Question 4

Slow Twitch

Answer 4

Type I

Question 5

Slow-oxidative

Answer 5

Type I

Question 6

Anaerobic

Answer 6

Type II

Question 7

White

Answer 7

Type II

Question 8

Phasic

Answer 8

Type II

Question 9

Fast Twitch

Answer 9

Type II

Question 10

Fast-glycolytic

Answer 10

Type II

Question 11

Low Fatigability

Answer 11

Type I

Question 12

High Capillary Density

Answer 12

Type I

Question 13

High Myoglobin Content

Answer 13

Type I

Question 14

Smaller Fibers

Answer 14

Type I

Question 15

Extensive Blood Supply

Answer 15

Type I

Question 16

Large Amount of Mitochondria

Answer 16

Type I

Question 17

Type I Examples

Answer 17

Marathon, Swimming

Question 18

High Fatigability

Answer 18

Type II

Question 19

Low Capillary Density

Answer 19

Type II

Question 20

Low Myoglobin Content

Answer 20

Type II

Question 21

Larger Fibers

Answer 21

Type II

Question 22

Less Blood Supply

Answer 22

Type II

Question 23

Fewer Mitochondria

Answer 23

Type II

Question 24

Type II Examples

Answer 24

High jump, Sprinting

Question 25

Muscle Spindles

Answer 25

• Distributed throughout the belly of the muscle
• Send information to the nervous system about muscle length and/or rate of change to its length
• Important in the control of posture
• Works with gamma system to help control involuntary movements

Question 26

Golgi Tendon Organ

Answer 26

• Encapsulated sensory receptors which muscle tendons pass through at the point where the tendon connects to the muscle fibers
• Very sensitive to tension, especially when produced from active muscle contraction
• Transmit information about tension or the rate of change of tension within the muscle