Week 2

Question 1

Brachialis Origin

Answer 1

Anterior surface of humerus

Question 2

Brachialis Insertion

Answer 2

Coronoid process and ulnar tuberosity

Question 3

Brachialis Innervation

Answer 3

Musculocutaneous

Question 4

Brachialis Action

Answer 4

Flexion of the forearm and elbow joint

Question 5

Brachialis Arterial Supply

Answer 5

Brachial Artery, Radial recurrent artery, and inferior ulnar collateral artery

Question 6

Anconeus Origin

Answer 6

Lateral epicondyle of the humerus

Question 7

Anconeus Insertion

Answer 7

Lateral surface of the olecranon

Question 8

Anconeus Innervation

Answer 8

Radial Nerve (C7, C8, T1)

Question 9

Anconeus Action

Answer 9

Assists triceps in elbow extension, abducts elbow during pronation

Question 10

Anconeus Arterial Supply

Answer 10

Recurrent Interosseous artery

Question 11

Pronator Teres Origin

Answer 11

Ulnar head -coronoid process of ulna
Humeral head – medial epicondyle of humerus
(common flexor tendon: is a tendon that
attaches to the medial epicondyle of the
humerus)

Question 12

Pronator Teres Insertion

Answer 12

middle of convexity of lateral surface of radius

Question 13

Pronator Teres Innervation

Answer 13

median nerve (C6, C7)

Question 14

Pronator Teres Action

Answer 14

pronates and flexes forearm at elbow

Question 15

Pronator Teres Arterial Supply

Answer 15

anterior branch of the ulnar recurrent
artery, inferior ulnar collateral, common interosseous, ulnar,
and radial arteries

Question 16

Flexor Carpi Radialis Origin

Answer 16

medial epicondyle of humerus
common flexor tendon

Question 17

Flexor Carpi Radialis Insertion

Answer 17

base of 2nd metacarpal

Question 18

Flexor Carpi Radialis Innervation

Answer 18

median nerve (C6, C7)

Question 19

Flexor Carpi Radialis Action

Answer 19

flexes and abducts hand at wrist

Question 20

Flexor Carpi Radialis Arterial Supply

Answer 20

radial artery and
posterior branch of ulnar recurrent a.

Question 21

Palmaris longus (PL) Origin

Answer 21

medial epicondyle of humerus

Question 22

Palmaris longus (PL) Insertion

Answer 22

distal half of flexor retinaculum and
palmar aponeurosis.

Question 23

Palmaris longus (PL) Innervation

Answer 23

median nerve (C6, C7)

Question 24

Palmaris longus (PL) Action

Answer 24

flexes hand at wrist and tenses palmar
aponeurosis

Question 25

Palmaris longus (PL) Arterial Supply

Answer 25

anterior branch of ulnar recurrent artery

Question 26

Flexor Carpi Ulnaris Origin

Answer 26

Ulnar head - olecranon of ulna Humeral head – posterior border of ulna via aponeurosis

Question 27

Flexor Carpi Ulnaris Insertion

Answer 27

pisiform, hook of hamate, 5th metacarpal

Question 28

Flexor Carpi Ulnaris Innervation

Answer 28

ulnar nerve (C7, C8)

Question 29

Flexor Carpi Ulnaris Action

Answer 29

flexes and adducts hand at wrist

Question 30

Flexor Carpi Ulnaris Arterial Supply

Answer 30

ulnar artery and posterior branch of ulnar recurrent artery

Question 31

Flexor digitorum superficialis (FDS) Origin

Answer 31

Humeroulnar head - Medial epicondyle of humerus and coronoid process of ulna. Radial head – oblique line of radius.

Question 32

Flexor digitorum superficialis (FDS) Insertion

Answer 32

Shafts (bodies) of middle phalanges of medial four digits (2nd-5th digits)

Question 33

Flexor digitorum superficialis (FDS) Innervation

Answer 33

Median nerve (C7, C8, T1)

Question 34

Flexor digitorum superficialis (FDS) Action

Answer 34

Flexes wrist joint, carpometacarpal joints, proximal interphalangeal joints of middle four digits, and proximal phalanges at metacarpophalangeal joints

Question 35

Flexor digitorum superficialis (FDS) Arterial Supply