Chapter 24: Muscles

Question 1

skeletal muscles are connected to bones by

Answer 1

tendons

Question 2

what muscles are self exciting

Answer 2

cardiac

Question 3

visceral smooth muscles are found in

Answer 3

the walls of hollow organs

Question 4

what holds together/supports muscles, bones, nerves, and blood vessles

Answer 4

fascias

Question 5

the site of attachment for a less movable bone during contraction

Answer 5

origin

Question 6

the site of attachment for the moving portion of the bone

Answer 6

insertion

Question 7

a muscle that produces movement opposite of the prime mover

Answer 7

antagonist

Question 8

decreasing the angle of the joint, bending the body part

Answer 8

flexion

Question 9

pointing the toes up

Answer 9

dorsiflexion

Question 10

pointing the foot down

Answer 10

plantarflexion

Question 11

sternocleidomastoid

Answer 11

pulls the head to one side, and to the chest

Question 12

trapezius

Answer 12

raises the arms, pulls the shoulders down

Question 13

internal and external oblique

Answer 13

compress abdominal wall

Question 14

rectus femoris, vastus lateralis

Answer 14

quads; extend the leg at the knee

Question 15

deltoid

Answer 15

abduct and extend the arm at the shoulder

Question 16

biceps brachii

Answer 16

Moves forearm; flexes arm at the elbow, rotates the hand laterally

Question 17

brachialis

Answer 17

flexes the arm at the elbow

Question 18

gastrocnemius

Answer 18

calf muscle; flexes the foot and leg at the knee

Question 19

triceps brachii

Answer 19

extends the arm at the elbow

Question 20

gluteus medius & maximus

Answer 20

abduct the thigh, and rotate them medially

Question 21

injuries where muscles or tendons are excessively stretched

Answer 21

strains

Question 22

injuries where muscles, tendons, or cartilage are torn

Answer 22

sprains