musculoskeletal interactions (q8)

Question 1

fascicle arrangement of pectoralis major

Answer 1

convergent

Question 2

fascicle arrancement of biceps brachii

Answer 2

fusiform

Question 3

fascicle arrangement of sartorius

Answer 3

parallel

Question 4

fascicle arrangement of deltoid

Answer 4

multipennate

Question 5

fascicle arrangement of rectus femoris

Answer 5

bipenate

Question 6

muscle fibers change length against a load

Answer 6

isotonic contraction

Question 7

muscle fibers lengthen as they give into a load

Answer 7

eccentric contraction

Question 8

muscle fibers shorten against a load

Answer 8

concentric contraction

Question 9

effort and load produce the same amount of force so that there is contraction but no movement

Answer 9

isometric contraction

Question 10

formal name for the ankle joint

Answer 10

talocural joint

Question 11

prime mover of forearm flexion

Answer 11

biceps brachii and brachialis

Question 12

antagonist of forearm flexion

Answer 12

triceps brachii and aconeus

Question 13

synergist of forearm flexion

Answer 13

brachioradialis

Question 14

prime mover of forearm extension

Answer 14

triceps brachii

Question 15

antagonist of forearm extension

Answer 15

biceps brachii, brachialis, and brachioradialis

Question 16

synergist in forearm extension

Answer 16

aconeus

Question 17

prime mover in thigh flexion

Answer 17

iliopsoas (psoas major and iliacus) and rectus femoris

Question 18

antagonist in thigh flexion

Answer 18

gluteus maximus, biceps femoris, semitendinsus, and semimembranosus

Question 19

synergists in thigh flexion

Answer 19

tensor fascia latae, sartorius, and pectineus

Question 20

prime movers in thigh extension

Answer 20

gluteus maximus, biceps femoris, semitendinosus, and semimembranosus

Question 21

antagonist in thigh extension

Answer 21

iliopsoas( psoas major and iliacus), pectineus, and rectus femoris

Question 22

synergists in thigh extension

Answer 22

adductor magnus

Question 23

prime mover in arm flexion

Answer 23

pectoralis major clavicular head

Question 24

antagonists in arm flexion

Answer 24

latissimus dorsi, teres major, and posterior fibers of the deltoid

Question 25

synergists in arm flexion

Answer 25

anterior fibers of deltoid, serratus anterior, coracobrachialis, biceps brachii

Question 26

prime movers of arm extension

Answer 26

latissimus dorsi, teres major and sternocostal head of pectoralis major

Question 27

antagonists of arm extension

Answer 27

anterior fibers of deltoid, biceps brachii, and coracobrachialis

Question 28

synergists in arm extension

Answer 28

posterior fibers of deltoid, triceps brachii, and rhomboideus major and minor

Question 29

prime mover of arm abduction

Answer 29

middle fibers of the deltoid

Question 30

antagonists of arm abduction

Answer 30

latissimus dorsi, sternocostal head of pectoralis major, teres major, coracobrachialis

Question 31

synergists of arm abduction

Answer 31

supraspinatus, and serratus anterior

Question 32

prime movers of arm adduction

Answer 32

sternocostal head of pectoralis major and latissimus dorsi

Question 33

antagonist to arm adduction

Answer 33

middle fibers of the deltoid

Question 34

synergist of arm adduction

Answer 34

teres major, coracobrachialis, rhomboideus major and minor

Question 35

prime movers of thigh abduction

Answer 35

gluteus medius and minimus and tensor fasciae latae

Question 36

antagonist in thigh abduction

Answer 36

adductor longus and adductor magnus

Question 37

synergists in thigh abduction

Answer 37

gluteus maximus

Question 38

prime movers of thigh adduction

Answer 38

adductor longus and magnus

Question 39

antagonists in thigh adduction

Answer 39

gluteus medius and minimus; tensor fasciae latae

Question 40

synergist in thigh adduction

Answer 40

gluteus maximus

Question 41

prime movers in lower leg flexion

Answer 41

biceps femoris, semitendinosus, semimembranosus

Question 42

antagonists to lower leg flexion

Answer 42

rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius

Question 43

synergists to lower leg flexion

Answer 43

gracilis, sartorius, gastrocnemeus

Question 44

prime movers of lower leg extension

Answer 44

rectus femoris, vastus lateralis, vastus medialus, vastus intermedius

Question 45

antagonists to lower leg extension

Answer 45

biceps femoris, semimembranosus, semitendinosus

Question 46

prime mover in plantar flexion

Answer 46

gastrocnemius (most active when knee extended) soleus (active in any position)

Question 47

prime mover in dorsiflexion

Answer 47

tibialis anterior

Question 48

prime mover of internal arm rotation

Answer 48

subscapularis

Question 49

antagonist of internal arm rotation

Answer 49

infraspinatus and teres minor

Question 50

synergists in internal arm rotation

Answer 50

teres major and latissimus dorsi

Question 51

prime mover of external arm rotation

Answer 51

infraspinatus

Question 52

antagonists of external arm rotation

Answer 52

subscapularis, latissimus dorsi, and teres major

Question 53

synergist in external arm rotation

Answer 53

teres minor

Question 54

what movement occurs in the transverse plan

Answer 54

external/internal arm rotation