Muscles Of The Anterior Forearm

Front 1

PRONATOR TERES

Insertions

Back 1

Proximal:
1) Medial epicondyle of the humerus

2) Coronoid Process

Distal: Lateral side of the Radius beneath the Supinator

Front 2

PRONATOR TERES

Innervations

Back 2

Median Nerve

C6, C7

Front 3

PRONATOR TERES

Action

Back 3

ELBOW: Weak Flexion

FOREARM: Pronation

Front 4

PRONATOR QUADRATUS

Insertions

Back 4

Proximal: Distal quarter of the Ulna (anterior surface)

Distal: Distal quarter of the Radius (anterior surface)

Front 5

PRONATOR QUADRATUS

Innervation

Back 5

Deep Branch Median Nerve (Interosseus Nerve)
C7, C8

Front 6

PRONATOR QUADRATUS

Action

Back 6

Hand: Pronation

Distal Radioulnar Joint: Stabilization

Front 7

FLEXOR CARPI ULNARIS

Insertions

Back 7

PROXIMAL:
1) Medial epicondyle of the humerus
2) Olecranon of the Ulnar Head

DISTAL:
1) Pisiform
2) Hook of Hamate
3) Base of 5th Metacarpal

Front 8

FLEXOR CARPI ULNARIS

innervation

Back 8

Ulnar Nerve C7-T1

Front 9

FLEXOR CARPI ULNARIS

Actions

Back 9

WRIST: Flexion & ADduction of Hand (Ulnar Deviation)

Front 10

FLEXOR CARPI RADIALIS

Insertions

Back 10

PROXIMAL: Medial Epicondyle of the Humerus

DISTAL: Base of the second metacarpal (variance of the base of the 3rd metacarpal)

Front 11

FLEXOR CARPI RADIALIS

Innervations

Back 11

Median Nerve C6-C7

Front 12

FLEXOR CARPI RADIALIS

Actions

Back 12

WRIST: Flexion and ABduction of the hand (radial deviation)

Front 13

FLEXOR DIGITORUM SUPERFICIALIS

Insertions

Back 13

PROXIMAL:
Medial epicondyle of the humerus.

DISTAL:
2ND - 5TH sides of the middle phalages

Front 14

FLEXOR DIGITORUM SUPERFICIALIS

Innervations

Back 14

Median Nerve C8-T1

Front 15

FLEXOR DIGITORUM SUPERFICIALIS

Actions

Back 15

ELBOW: Weak Flexion

Wrist, MCP, PIP joints of the 2nd - 5th digits: Flexion

Front 16

FLEXOR DIGITORUM PROFUNDIS

Insertions

Back 16

PROXIMAL:
1) 2/3 of the Ulnar surface on the flexor surface
2) Interosseous Membrane

DISTAL:
2nd to 5th digits of the distal phalanges palmar surface

Front 17

FLEXOR DIGITORUM PROFUNDIS

Innervations

Back 17

MEDIAN NERVE: C8-T1
ULNAR NERVE: C8-T1

Flexor Carpi Ulnaris C7-T1 and Flexor Digitorum Profundis MN C8-T1 & Ulnar C8-T1 are 1 1/2 muscles not innervated by the Median nerve in the anterior compartment of the arm.

Front 18

FLEXOR DIGITORUM PROFUNDIS

Actions

Back 18

WRIST, MCP, PIP, DIP of 2nd - 5th digits: FLEXION

Front 19

FLEXOR POLLICIS LONGUS

Insertions

Back 19

PROXIMAL:
1) Radius midanterior surface
2) Adjacent Interosseous Membrane

DISTAL:
Distal phalanges of digit 1 (thumb)

Front 20

FLEXOR POLLICIS LONGUS

Innervations

Back 20

Median Nerve C7-C8

Front 21

PALMARIS LONGUS

Insertion

Back 21

PROXIMAL

DISTAL

Front 22

FLEXOR POLLICIS LONGUS

Actions

Back 22

1) Wrist: Flexion & ABduction
2)Carpometacarpals of digit 1: Flexion
3) MCP & IP of Thumb: Flexion

Front 23

PALMARIS LONGUS

Innervation

Back 23

MEDIAN NERVE

Front 24

Median Nerve Innervates what muscles of the Anterior Compartment

Back 24

All but 1 1/2, which include

Pronator Teres C6-C7
Pronator Quadratus C7,C8
Flexor Carpi Radialis C6-C7
Palmar Longus C7-C8
Flexor Digitorum Superficialis C8-T1
Flexor Pollicis Longus C7-C8
1/2 Flexor Digitorum Profundus Median C8-T1 Ulnar C8-T1

Flexor Carpi Ulnaris Ulnar Nerve C7-T1

Front 25

PALMARIS LONGUS

Action

Back 25

?

Front 26

Wrist ABductors

Name them

Back 26

1) Flexor Carpi Radialis
2) Flexor Pollicis Longus

Front 27

Wrist ADductors

Name Them

Back 27

Flexor Carpi Ulnaris C7-T1

Front 28

Wrist Only Flexors

Name Them

Back 28

1) Flexor Carpi Radialis MN C6-C7
2) Flexor Carpi Ulnaris C7-T1
3) Palmaris Longus MN C7, C8

Front 29

Elbow Only Flexors

Name Them

Back 29

1) Pronator Teres MN C6 - C7 (weak)
2) Palmaris Longus MN C7, C8
3) Flexor Digitorum Superficialis MN C8-T1