Movements of the Upper Limb Flashcards by Maddie Palmer

Biceps brachii

Location: arm

Compartment: anterior

Function: flexes arm and forearm; supinates hand

Innervation: musculocutaneous

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Brachialis

Location: arm

Compartment: anterior

Function: flexes forearm

Innervation: musculocutaneous

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Coracobrachialis

Location: arm

Compartment: anterior

Function: flexes arm

Innervation: musculocuteneous

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Triceps brachii

Location: arm

Compartment: posterior

Function: extends arm and forearm

Innervation: radial

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Pronator teres

Location: forearm

Compartment: anterior

Function: pronates hand

Innervation: median

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Flexor carpi radialis

Location: forearm

Compartment: anterior

Function: flexes and abducts hand

Innervation: median

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Flexor carpi ulnaris

Location: forearm

Compartment: anterior

Function: flexes and adducts hand

Innervation: ulnar

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Flexor digitorum superficialis

Location: forearm

Compartment: anterior

Function: flexes hand, flexes MP and PIP joints

Innervation: median

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Flexor pollicis longus

Location: forearm

Compartment: anterior

Function: flexes thumb

Innervation: median (anterior interosseous)

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Flexor digitorum profundus

Location: forearm

Compartment: anterior

Function: Flexes hand, flexes MP, PIP, and DIP joints

Innervation: median (anterior interosseous) to medial half, ulnar to ulnar half

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Pronator quadratus

Location: forearm

Compartment: anterior

Function: pronates hand

Innervation: median (anterior interosseous)

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Extensor carpi ulnaris

Location: forearm

Compartment: posterior

Function: extends and adducts hand

Innervation: radial

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Extensor carpi radialis longus and brevis

Location: forearm

Compartment: posterior

Function: extends and abducts hand

Innervation: radial

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Extensor digitorum

Location: forearm

Compartment: posterior

Function: extends hand and fingers

Innervation: radial

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Extensor digiti minimi

Location: forearm

Compartment: posterior

Function: extends little finger

Innervation: radial

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Extensor indicis

Location: forearm

Compartment: posterior

Function: Extends index finger

Innervation: radial

Abductor pollicis longus

Location: forearm

Compartment: posterior

Function: abducts thumb

Innervation: radial

Extensor pollicus longus

Location: forearm

Compartment: posterior

Function: extends thumb

Innervation: radial

Extensor pollicis brevis

Location: forearm

Compartment: posterior

Function: extends thumb

Innervation: radial

Supinator

Location: forearm

Compartment: posterior

Function: supinates hand

Innervation: radial

Abductor pollicis brevis

Location: hand

Layer: Superficial

Function: abducts thumb

Innervation: median

Flexor pollicis brevis

Location: hand

Layer: Superficial

Function: flex thumb

Innervation: median

Opponens pollicis

Location: hand

Layer: Superficial

Function: opposes thumb

Innervation: median

Abductor digiti minimi

Location: hand

Layer: Superficial

Function: abducts little finger

Innervation: ulnar

Flexor digiti minimi

Location: hand Layer: Superficial Function: flexes little finger Innervation: ulnar

Opponens digiti minimi

Location: hand Layer: Superficial Function: opposes little finger Innervation: ulnar

Lumbricals 1-2 (lateral)

Location: hand Layer: Superficial Function: flexes MP joint, extends IP joints Innervation: median

Lumbricals 3-4 (medial)

Location: hand Layer: Superficial Function: Flexes MP joint, extends IP joint Innervation: ulnar

Adductor pollicis

Location: hand Layer: Superficial Function: adduct thumb Innervation: ulnar

Palmar interossei

Location: hand Layer: deep Function: adduct fingers Innervation: ulnar

Dorsal interossei

Location: hand Layer: deep Function: abduct fingers Innervation: ulnar