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Hand Muscles
w/pics
7
Anatomy
Undergraduate 3
11/01/2011
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Cards

Term

Definition

Flexor Pollicis Brevis

 

O-Trapezium

 

I- Radial side of base of proximal phalanx of thumb

 

A- Flexes metacarpalphalangeal and carpometacarpal joints of thumb
Term
Definition

Flexor Digiti Minimi Brevis

 

O- Hook of Hamate

 

I- Ulnar (medial) side of base of proximal phalanx of little finger

 

A-Flexes little finger

 

DEEP
Term

Definition

Abductor Digiti Minimi

 

O-Pisiform

 

I- Ulnar (Medial side of base of proximal phalanx of little finger

 

A- Abducts little finger
Term
Definition

Abductor Pollicis Brevis


O- Tubercle of Trapezium


I- Radial side of base of proximal phalanx of thumb


A- Abducts thumb and moves it anteriorly

 

 
Term
Definition

Lumbricals


O- Flexor Digitorum Profundus

   

I- Extensor Expansion


A- Flex metacarpophalangeal joints, extend interphalangeal joints
Term
Definition

Dorsal Interosseous  (webbing)

 

O- Metacarpals

 

I- Proximal Phalanges

 

A- Abduct finger
Term
Definition

Palmer Interosseous

 

O- Metacarpals

 

I- Proximal Phalanges

 

A- Adduction

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