Muscles of anterior compartment of forearm Flashcards Preview

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Flashcards in Muscles of anterior compartment of forearm Deck (28):
1

Pronator Teres (PT) Origin-2

Ulnar head: Coronoid process of ulna

Humeral head: Medial epicondyle of humerus

2

Pronator Teres (PT) Insertion

Middle of convexity of lateral surface of radius

3

Pronator Teres (PT) Action

Pronates and flexes forearm

4

Flexor carpi radialis (FCR) Origin

Medial epicondyle of humerus

5

Flexor carpi radialis (FCR) Insertion

Base of 2nd (3rd) metacarpal

6

Flexor carpi radialis (FCR) Action

Flexes and abducts hand (Radial deviation)

7

Palmaris Longus Origin

Medial epicondyle of humerus

8

Palmaris Longus Insertion-2

-Distal 1/2 of flexor retinaculum
-Palmar aponeurosis

9

Palmaris Longus Action-2

-Flexes hand
-Tenses palmar aponeurosis

10

Flexor carpi ulnaris (FCU) Origin-2

-Olecranon process
-Posterior border of ulna

11

Flexor carpi ulnaris (FCU) Insertion-3

-Pisiform
-Hook of hamate
-5th metacarpal

12

Flexor carpi ulnaris (FCU) Action

Flexes and adducts hand (Ulnar deviation)

13

Flexor digitorum superficialis (FDS) Origin-3

Humero-ulnar head:
-Medial epicondyle of humerus
-coronoid process of ulna

Radial head:
-Oblique line of radius

14

Flexor digitorum superficialis (FDS) Insertion

Shafts of middle phalanges of medial 4 digits

15

Flexor digitorum superficialis (FDS) Action-2

-Flexes proximal interphalangeal (IP) joints of middle 4 digits

-Flexes proximal phalanges at metacarpophalangeal (MCP) joints

16

Flexor digitorum profundus (FDP) Origin-2

-Proximal 3/4 of medial and anterior surfaces of ulna
-Interosseous membrane

17

Flexor digitorum profundus (FDP) Insertion

Bases of distal phalanges of 2nd, 3rd, 4th, and 5th digits

18

Flexor digitorum profundus (FDP) Innervation-2

Anterior interosseous branch of Median nerve-digits 2+3

Ulnar nerve-Digits 4+5

19

Flexor digitorum profundus (FDP) Action

-Flexes IP joints of medial 4 fingers
-Assists w/ wrist flexion

20

Flexor pollicis longus (FPL) Origin-2

-Anterior surface of radius
-Interosseous membrane

21

Flexor pollicis longus (FPL) Insertion

Base of distal phalanx of thumb

22

Flexor pollicis longus (FPL) Action

Flexes phalanges of thumb

23

Pronator quadratus Origin

Distal quarter of anterior surface of ulna

24

Pronator quadratus Insertion

Distal 1/4 of anterior surface of radius

25

Pronator quadratus Action

Pronates forearm

26

Muscles innervated by median nerve

1) Pronator Teres
2) Flexor carpi radialis
3) Palmaris Longus
4) Flexor digitorum superficialis
5) Part of Flexor digitorum profundus

27

Muscles innervated by the Anterior interosseous nerve (From median nerve)

1) Flexor pollicis longus
2) Pronator quadratus

28

Muscles innervated by ulnar nerve

1) Flexor carpi ulnaris
2) Part of Flexor digitorum superficialis