Muscle Actions

Question 1

Assists deltoid in abduction of humerus

Answer 1

Supraspinatous

Question 2

External rotation at shoulder joint

Answer 2

Infraspinatus

Question 3

Extend arm at shoulder and rotates arm externally

Answer 3

Teres minor

Question 4

Internal rotation of the arm

Answer 4

Subscapularis

Question 5

Abducts, flexes and rotates arm at shoulder joint

Answer 5

Deltoid

Question 6

Moves scapula multi-directional

Answer 6

Trapezius

Question 7

Elevates scapula and rotates downward

Answer 7

Levator scapula

Question 8

Elevates and adducts scapula and rotates downward

Answer 8

Rhomboid major

Question 9

Adducts and rotates arm medially at shoulder

Answer 9

Pectoralis major

Question 10

Extends, adducts and rotates arm medially

Answer 10

Latissumus dorsi

Question 11

Assists with adduction and rotation of arm medially

Answer 11

Teres major

Question 12

Flexes shoulder and adducts arm at shoulder

Answer 12

Corcobrachialis

Question 13

Flexes arm at should; flexes and supinates forearm at elbow

Answer 13

Bicep brachii

Question 14

Flexes forearm at elbow joint

Answer 14

Brachioradialis

Question 15

Extends arm at shoulder

Answer 15

Triceps brachii

Question 16

Supinates forearm

Answer 16

Supinator

Question 17

Pronates forearm

Answer 17

Pronator teres

Question 18

Flex and abducts wrist

Answer 18

Flexor carpi radialis

Question 19

Flex and adducts wrist

Answer 19

Flexor carpi ulnaris

Question 20

Weakly flexes hand at wrist joint

Answer 20

Palmaris

Question 21

Flexes hand at PIP

Answer 21

Flexor digitorum superficialis

Question 22

Flexes phalanges at DIP

Answer 22

Flexor digitorum profundus

Question 23

Extend and abducts hand at wrist joint

Answer 23

Extensor carpi radialis longus

Question 24

Extends and adducts hand at wrist joint

Answer 24

Extensor carpi ulnaris longus

Question 25

Extends hand at wrist joint

Answer 25

Extensor digitorum

Question 26

Flexes and rotates thigh laterally

Answer 26

Psoas major

Question 27

Flexes and rotates thigh laterally

Answer 27

Iliacus

Question 28

Extends and rotates thigh laterally/helps lock knee in extension

Answer 28

Gluteus Maximus

Question 29

Abducts and rotates thigh medially

Answer 29

Gluteus medius

Question 30

Adducts, rotates and flexes thigh at hip joint

Answer 30

Adductor longus

Question 31

Adducts, flexes, rotates and extends thigh

Answer 31

Adductor magnus

Question 32

External rotation of thigh laterally and abducts

Answer 32

Piriformis

Question 33

Flexes and adducts thigh

Answer 33

Pectineus

Question 34

Medial aspect strength of the knee

Answer 34

MCL

Question 35

Lateral strength of knee

Answer 35

LCL

Question 36

Prevents anterior sliding

Answer 36

ACL

Question 37

Stops posterior sliding

Answer 37

PCL

Question 38

Fibrocartilage disks

Answer 38

Menisci

Question 39

Flexes leg at knee/adducts medial rotation of leg

Answer 39

Gracilis

Question 40

Adducts femur

Answer 40

Adduct magnus/longus/Pectineus

Question 41

Extends knee and flexes hip

Answer 41

Rectus femoris

Question 42

Extends knee

Answer 42

Vastus lateralis, medialis and intermedius

Question 43

Flexes knee and weakly flexes hip

Answer 43

Sartorius

Question 44

Extends thigh at hip and flexes leg at the knee joint

Answer 44

Bicep femoris

Question 45

Extend thigh a hip and flexes left at the knee

Answer 45

Semitendiosis Semimembranosis

Question 46

Extends from talus to fibia

Answer 46

ATFL PTFL

Question 47

Extends from calcaneus to fibula

Answer 47

CFL

Question 48

Four ligaments fused into one at the medial ankle

Answer 48

Deltoid

Question 49

Dorsiflexes and inverts the foot

Answer 49

Tibialis anterior

Question 50

Dorsiflexes and extends foot and toes

Answer 50

Extensor digitorum longus

Question 51

Plantar flexes and everts the foot

Answer 51

Fibularis longus

Question 52

Plantar flexes foot and flexes leg at the knee

Answer 52

Gastrocnemius

Question 53

Plantar flexes the foot

Answer 53

Soleus

Question 54

Plantar flexes and inverts foot

Answer 54

Tibalis posterior

Question 55

Plantar flexes foot and flexes toes

Answer 55

Flexor digitorum longus