Muscles of Upper Limb

Question 1

Function: Trapezius

Answer 1

Elevates and retracts scapula

Question 2

Function: Rhomboids

Answer 2

Elevates and retracts scapula

Question 3

Function: Levator scapulae

Answer 3

Elevates scapula

Question 4

Function: Pectoralis minor

Answer 4

protracts and depresses scapula

Question 5

Function: Serratus anterior

Answer 5

protracts and depresses scapula

Question 6

Function: Pectoralis major

Answer 6

flexes and adducts humerus at the glenohumeral joint

Question 7

Function: Latissimus Dorsi

Answer 7

extends and adducts arm

Question 8

Function: Deltoid

Answer 8

abducts, flexes, and extends arm

Question 9

Function: Coracobrachialis

Answer 9

flexes and adducts arm

Question 10

Function: Teres Major

Answer 10

extends and adducts arm

Question 11

Function: Subscapularis

Answer 11

medially rotates arm

Question 12

Function: Supraspinatus

Answer 12

abducts arm

Question 13

Function: Infraspinatus

Answer 13

laterally rotates arm

Question 14

Function: Teres minor

Answer 14

laterally rotates arm

Question 15

Function: Biceps Brachii

Answer 15

flex the forearm at the elbow

Question 16

Function: Brachialis

Answer 16

Flex the forearm at the elbow

Question 17

Function: Brachioradialis

Answer 17

Flex the forearm at the elbow

Question 18

Function: Triceps Brachii

Answer 18

Extend the forearm at the elbow

Question 19

Function: Anconeus

Answer 19

Extend the forearm at the elbow

Question 20

Where is the Anconeus

Answer 20

Small muscles that just crosses the elbow joint posteriorly

Question 21

Function: Pronator Teres

Answer 21

pronate the forearm

Question 22

Function: Pronator quadratus

Answer 22

pronate the forearm

Question 23

Function: Flexor retinaculum

Answer 23

forms the roof of the carpal tunnel

Question 24

Function: Flexor Capri Radialis

Answer 24

flexes wrist and abducts the hand

Question 25

Function: Palmaris Longus

Answer 25

Flexes wrist

Question 26

Function: Flexor Capri Ulnaris

Answer 26

flexes wrist and adducts hand

Question 27

Function: Flexor digitorum superficialis

Answer 27

Flexes the wrist and flexes digits 2-5 @ MP and PIP joints

Question 28

Function: Flexor digitorum Profundus

Answer 28

Flexes the wrist and flexes digits 2-3 @ MP, PIP, and DIP joints

Question 29

Function: Flexor pollicis longus

Answer 29

flexes wrist, MP, and IP joint of the thumb

Question 30

Function: Supinator

Answer 30

Supinates forearm

Question 31

Function: Extensor retinaculum

Answer 31

hold extensor tendons in place

Question 32

Function: Extensor carpi radialis longus and Brevis

Answer 32

extends wrist and abducts the hand

Question 33

Function: Extensor digitorum

Answer 33

extends wrist and extends digits 2-5 @ MP, PIP, and DIP joints

Question 34

Function: Extensor Carpi ulnaris

Answer 34

extends wrist and adducts hand

Question 35

Extensor pollicis lungus and brevis

Answer 35

extends the thumb

Question 36

Function: Abductor pollicis longus

Answer 36

abducts thumb

Question 37

Function: Thenar

Answer 37

Moves the thumb

Question 38

Function: Hypothenar

Answer 38

moves the little finger

Question 39

Function: Midpalmar

Answer 39

moves fingers 2-5

Question 40

Function: Lumbricals

Answer 40

moves finger there are 4 of them

Question 41

Function: palmar interossei

Answer 41

adducts fingers

Question 42

Function: Dorsal interossei

Answer 42

Abducts fingers