Forearm, Wrist, and Hand Region Flashcards by joweh maui

Extensor Carpi Radialis Longus

O: Lat Supracondylar Ridge

I: 2nd Metacarpal

N: Radial Nerve

A: Extend and Radial Deviate Wrist

B: Radial Artery

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Extensor Carpi Radialis Brevis

O: Lat Epicondyle

I: 3rd Metacarpal

N: Radial Nerve

A: Extend and Radial Deviate Wrist

B: Radial Artery

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Extensor Digitorum Communis

O: Lat Epicondyle

I: Extensor hood of each Phalanges

N: Deep Radial Nerve

A: Main extensor of Fingers at IP & MCP, Ext Wrist

B: Radial Recurrent Artery

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Extensor Digiti Minimi

O: Lat Epicondyle

I: Extensor hood of 5th Phalanx

N: Deep Radial Nerve

A: Ext 5th Phalanx and Wrist

B: Radial Recurrent Artery

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Extensor Carpi Ulnaris

O: Lat Epicondyle

I: Base of 5th Metacarpal

N: Deep Radial Nerve

A: Ext and Add of Wrist

B: Radial Recurrent Artery

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Supinator

O: Lat Epicondyle& Post Surface of Ulna

I: Post Surface of Ulna

N: Deep Radial Nerve

A: Forearm Supination

B: Radial Recurrent Artery

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Abductor Pollicis Longus

O: Interosseous Membrane and Post Surface of Ulna and Radius

I: Lat side of base of 1st MCP

N: Radial Nerve

A: Abd thumb

B: Post and Ant Interosseous Artery

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Extensor Pollicis Brevis

O: Post Surface of Radius and Interosseous membrane

I: Base of the Proximal Phalanx of Thumb

N: Radial Nerve

A: Ext all joints of Thumb

B: Post and Ant Interosseous Artery

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Extensor Indicis Proprius

O: Post surface of Ulna and Interosseous membrane, Distal to EPL

I: Extensor hood of the 2nd Phalanx

N: Radial Nerve

A: Ext Index Finger

B: Post Interosseous Artery

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Flexor Carpi Ulnaris

O: Humeral Head - Med Epicondyle, Ulnar Head - Olecranon of the Ulna

I: Pisiform, Hook of Hamate, and Base of the 5th MC

N: Ulnar Nerve

A: Flex and Add of Wrist

B: Ulnar Collateral Arteries

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Palmaris Longus

O: Med Epicondyle

I: Flexor Retinaculum

N: Median Nerve

A: Flex Wrist

B: Post and Ant Ulnar Recurrent Artery

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Flexor Carpi Radialis

O: Med Epicondyle

I: Base of 2nd and 3rd MCP

N: Median Nerve

A: Flex and Abd Wrist

B: Post and Ant Ulnar Recurrent Artery

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Pronator Teres

O: Med Epicondyle and Coronoid Process of Ulna

I: Lat part of mid shaft of Radius

N: Median Nerve

A: Pronate Forearm

B: Ant Ulnar Recurrent Artery

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Anterior Forearm Intermediate

O: Med Epicondyle and Radius

I: Base of Middle Phalanx of 4 Digits

N: Median Nerve

A: Flex MCP and PIP of 1st-5th Fingers and Wrist

B: Ant Interosseous Artery

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Flexor Digitorum Profundus

O: Ulna and Interosseous Membrane

I: Distal Phalanx of 2nd-5th Digits

N: Ulnar and Median Nerve

A: Flex DIP, MCP and Wrist

B: Ant Interosseous Artery

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Flexor Pollicis Longus

O: Ant Surface of Radius and Interosseous Membrane

I: Base of Distal Phalanx of thumb

N: Median Nerve

A: Flex IP and MCP of Thumb

B: Ant Interosseous Artery

Pronator Quadratus

O: Ant Surface of Ulna

I: Ant Surface of Radius

N: Median Nerve

A: Pronate Forearm

B: Ant Interosseous Artery

Opponens Pollicis

O: Tubercle of Trapezium and flexor retinaculum
I: Lateral margin of the 1st MC
N: Median nerve
A: Opposes the thumb, medial rotating and flexion of the MC on the Trapezium
B: Palmar branch of the radial artery.

Adductor Pollicis Brevis

O: Tubercle of Scaphoid and Trapezium
I: Lateral side of the proximal phalanx of the thumb
N: Median nerve
A: Abducts the thumb
B: Palmar branch of the radial artery.

Flexor Pollicis Brevis

O: Tubercle of Trapezium and flexor retinaculum
I: Base of the proximal phalanx of the thumb
N: Median nerve (deep)
A: Flexes MCP of thumb
B: Superficial palmar branch of the radial artery.

Opponens Digiti Minimi

O: Hook of the Hamate and flexor retinaculum
I: Medial margin of the 5th MC
N: Ulnar Nerve
A: Rotates the MC of the 5th digit
B: Deep branch of the ulnar artery.

Abductor Digiti Minimi

O: Pisiform and tendon of FCU
I: Base of the proximal phalanx of the 5th digit
N: Ulnar Nerve
A: Abducts the 5th digit
B: Ulnar artery

Flexor Digiti Minimi Brevis

O: Hook of Hamate and flexor retinaculum
I: Base of the proximal phalanx of the 5th digit
N: Ulnar Nerve
A: Flexion at the MCP of the 5th digit
B: Deep branch of the ulnar artery.

Lumbricals

O: Tendon of the FDP
I: Extensor hood of 2nd to 5th digit
N: Median Nerve
A: Flexion at the MCP and extension at the IP
B: Radial Artery

Palmar Interossei

O: Medial or lateral surface of a MC I: Extensor hood and proximal phalanx of digits N: Ulnar Nerve A: Adduction of the digits, assist in flexion of MCP B: Deep palmar arch

Dorsal Interossei

O: Lateral and medial surfaces of the MC I: Extensor hood of 2nd to 5th digit N: Ulnar Nerve A: Abduction of the digits. Assist in flexion of MC and extension of IP B: Deep palmar arch.

Palmaris Brevis

O: Palmar Aponeurosis and flexor retinaculum I: Dermis of the skin on the medial margin of the hand N: Ulnar Nerve A: Wrinkles the skin of the hypothenar, deepens the curvature of the hand B: Superficial palmar branch of the ulnar artery

Adductor Pollicis

O: 3rd metacarpal, capitate and MC 2 and 3 I: Base of the proximal phalanx of the thumb N: Ulnar Nerve A: Adductor of the thumb B: Radial Artery