5.3 Physiology of the Muscular System

Question 1

What are the three types of muscle tissue?

Answer 1

smooth
skeletal
cardiac

Question 2

Which muscle tissue is under voluntary control?

Answer 2

skeletal

Question 3

What is the purpose of skeletal muscle?

Answer 3

conscious movement of the body and limbs

Question 4

Where is smooth muscle found?

Answer 4

internal organs of the body

Question 5

Where is cardiac muscle found?

Answer 5

heart

Question 6

Which muscle tissues are striated?

Answer 6

skeletal and cardiac

Question 7

What muscle tissue makes up over 40% of the body’s weight?

Answer 7

skeletal

Question 8

How is skeletal muscle attached to the skeleton?

Answer 8

tendons

Question 9

What connects muscle to bone?

Answer 9

tendons

Question 10

What connects bone to bone?

Answer 10

ligaments

Question 11

What can muscles do: push or pull?

Answer 11

pull

Question 12

What is the flexor muscle?

Answer 12

brings limb toward the body

Question 13

What is the extensor muscle?

Answer 13

extends limb away from body

Question 14

How do muscles work in pairs and why?

Answer 14

antagaonistic pairs; can only pull in the direction of fiber orientation

Question 15

What does flexion mean?

Answer 15

closing of joint

Question 16

What does extension mean?

Answer 16

opening of a joint

Question 17

What is an example of an anatagonistic pair for flexion and extension?

Answer 17

flexor = biceps
extensor = triceps

Question 18

What is abduction?

Answer 18

movement away from midline

Question 19

What is adduction?

Answer 19

movement toward midline

Question 20

What is an example of an antagonistic pair for abduction/adduction?

Answer 20

abductor = TFL of hip
adductor = adductor longus and adductor magnus