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Muscles of Upper Extremity
Muscles of Upper Extremity
4
Anatomy
Professional
08/28/2010
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Term
Pronator Teres
 Definition

Anterior Comp. of Forearm

Superficial Layer

 

Origin: Coronoid process (ulnar head)

Medial Epicondyle of Humerus (humeral head)

Insertion: lateral surface of Radius

Innervation: Median n. (C6, C7)

Fnx: pronates forearm; flexes forearm
Term
Flexor Carpi Radialis
 Definition

Anterior Comp. of Forearm

Superficial Layer

 

Origin: Medical Epicondyle of Humerus

(Common Flexor Origin)

Insertion: base of 2nd MC

Innervation: Median n. (C6, C7)

Fnx: flexes + abducts hand
Term
Palmaris Longus
 Definition

Anterior Comp. of Forearm

Superficial Layer

 

Origin: Medial Epicondyle of Humerus (CFO)

Insertion: distal flexor retinaculum + proximal palmar aponeurosis

Innervation: Median n. (C6, C7)

Fnx: flexes hand
Term
Flexor Carpi Ulnaris
 Definition

Anterior Comp. of Forearm

Superficial Layer

 

Origin: Medial Epicondyle of Humerus (CFO)

Insertion: Pisiform, hook of Hamate, base of 5th MC

Innervation: Ulnar n. (C7, C8)

Fnx: flexes + adducts hand
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