Anatomy: Anterior Forearm

Question 0

Flexor Carpi Radialis

Answer 0

N: median
A: flex and abducts hand
O: medial epicondyle of humerus
I: base of 2nd metal carpal

Question 1

Pronator Teres

Answer 1

N: median
A: pronates and flexes forearm
O: ulnar head: coracoid process humeral head: medial epicondyle
I: lateral surface of radius

Question 2

Palmaris Longus

Answer 2

N: median
A: flex hand and tense aponeurosis
O: medial epicondyle of humerus
I: flexor retinaculum and apex of palmar aponeurosis

Question 3

Flexor Carpi Ulnaris

Answer 3

N: ulnar
A: flexes and adducts hand
O: humeral head: medial epicondyle of humerus, ulnar head: olecranon
I: pisiform, hook of hamate, 5th metacarpal

Question 4

Brachioradialis

Answer 4

N: radial
A: flex forearm
O: supraepicondylar ridge of humerus
I: distal end of radius proximal to styloid process

Question 5

Flexor Digitorum Superficialis

Answer 5

N: median
A: flex middle phalanges at PIP joint for medial 4 digits, acting more strongly, it also flexes proximal phalanges at MCP joints
O: humeroulnar head: medial epicondyle radial head: anterior border of radius
I: shafts of middle phalanges of medial 4 digits

Question 6

Flexor Digitorum Profundus

Answer 6

N: medial part: ulnar, lateral part: anterior interosseous (from medial nerve)
A: medial part: DIP joint for 4-5 digits, lateral part: DIP joint for 2-3 digits
O: ulna and interosseous membrane
I: medial part: bases of distal phalanges of 4-5 digits, lateral part: bases of distal phalanges of 2-3 digits

Question 7

Flexor Pollicis Longus

Answer 7

N: anterior interosseous
A: flexes phalange of 1st digit
O: radius and interosseous membrane
I: base of distal phalanx of thumb

Question 8

Pronator Quadratus

Answer 8

N: anterior interosseous
A: pronates forearm
O: distal ulna
I: distal radius