Muscular System

Question 1

attachment to the stationary bone

Answer 1

origin

Question 2

attachment to the movable bone

Answer 2

insertion

Question 3

patterns of fascicle arrangement (4)

Answer 3

parallel, fusiform, perinate, circular

Question 4

muscle that causes the desired action

Answer 4

prime mover (agonist)

Question 5

muscle that produces the opposite action

Answer 5

antagonist

Question 6

steadys a movement; prevents unwanted movements and helpts the agonist function more efficiently

Answer 6

synergists

Question 7

some synergist muscles - stabilize the origin of the agonist so that it can act more efficiently

Answer 7

fixator

Question 8

8 ways skeletal muscles are named

Answer 8

1. location
2. size
3. # of origins
4. appearance
5. direction of fibers
6. origin & insertion
7. muscle action
8. combinations

Question 9

muscles of facial expression

Answer 9

orbicularis oris, extraocular muscles

Question 10

muscles that move the jaw

Answer 10

masseter

Question 11

muscles that move the head

Answer 11

sternocleidomastoid

Question 12

muscles that act on the abdominal wall

Answer 12

rectus abdominus, external oblique

Question 13

muscles used in breathing

Answer 13

diaphragm

Question 14

muscles that move the pectoral girdle

Answer 14

trapezius

Question 15

muscles that move the humerus

Answer 15

pectoralis major, deltoid, latissimus dorsi

Question 16

muscles that move the radius and ulna

Answer 16

biceps brachii, brachialis, triceps brachii, brachioradialis

Question 17

muscles that move the femur

Answer 17

gluteus maximus

Question 18

muscles that move the femur, tibia and fibula

Answer 18

quads (rectus femoris, vastus lateralis, intermedius and medialis), hamstrings (biceps femoris, semitendinosus, semimembranosus), tibialis anterior, gastrocnemius, soleus

Question 19

quads muscles:

Answer 19

rectus femoris, vastus lateralis, intermedius, medialis

Question 20

hamstring muscles

Answer 20

semitendinosus, semimembranosus, biceps femoris