Muscle Functions

Question 1

which muscle is the prime mover for shoulder flexion

Answer 1

pectoralis major

Question 2

what other muscles would be synergists in shoulder flexion

Answer 2

deltoid, triceps brachii, serratus anterior

Question 3

which muscle is the prime mover for shoulder extension

Answer 3

latissimus dorsi

Question 4

what other muscles would be synergists in shoulder extension

Answer 4

teres major

Question 5

which muscle aids in rotation of the joint between the atlas and axis

Answer 5

suboccipital muscles

Question 6

which muscle hyperextends the neck

Answer 6

scalenes

Question 7

which muscle flexes the elbow

Answer 7

brachialis

Question 8

which muscle extends the elbow

Answer 8

triceps brachii

Question 9

which muscle flexes the vertebral column

Answer 9

erector spinae (Spinalis, Longissimus, Iliocostalis)

Question 10

which muscle extends the hip

Answer 10

gluteus maximus

Question 11

what is the action of the hamstrings at the hip

Answer 11

extension

Question 12

name an antagonist muscle to the semitendinosus muscle regarding hip extension

Answer 12

rectus femoris

Question 13

name a synergist to the biceps brachii regarding elbow flexion

Answer 13

brachialis, brachioradialis

Question 14

which muscle abducts the arm

Answer 14

deltoid

Question 15

which muscle adducts the arm

Answer 15

pectoralis major, teres major,

Question 16

which muscle abducts the thigh

Answer 16

gluteus Medius, tensor, fasciae, latae

Question 17

which is the prime mover for knee extension

Answer 17

rectus femoris

Question 18

which muscles flex the knee

Answer 18

semitendinosus, semimembranosus, biceps femoris, gastrocnemius

Question 19

which muscle is the prime mover for dorsiflexion of the ankle

Answer 19

tibialis anterior

Question 20

which muscle is the prime mover for plantar flexion of the ankle

Answer 20

gastrocnemius