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Ex. 15 Muscles of the Arm
Muscles of the arm
15
Anatomy
Undergraduate 2
11/12/2011

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Cards

Term
Triceps Brachii
Definition
Action: Forearm Extension

Origin: Glenoid Cavity, radial groove of humerus

Insertion: Olecranon process of ulna
Term
Anconeus
Definition
Action: Extend Elbow

Origin: Lateral epicondyle of humerus

Insertion: Lateral portion of olecranon process of ulna
Term
Biceps Brachii
Definition
Action: Flexion of elbow and supination of forearm

Origin: Coracoid process

Insertion: Radial tuberosity
Term
Brachioradialis
Definition
Action: Synergist of elbow flexion

Origin: Humerus

Insertion: Styloid process of radius
Term
Brachalis
Definition
Action: Flexor of elbow

Origin: Humerus

Insertion: Coronoid process of ulna
Term
Coracobrachialis
Definition
Action: Adduction and flexion at shoulder

Origin: Coracoid Process

Insertion: Shaft of humerus
Term
Pronator teres
Definition
Action: Pronatrion of forearm

Origin: epicondyle of humerus, coronoid process of ulna

Insertion: radius
Term
Supinator
Definition
Action: supination

Origin: lateral epicondyle of humerus and proximal ulna

Insertion: anterolateral radius
Term
Flexor carpi radialis
Definition
Action: Flexor of wrist

Origin: epicondyle of humerus

Insertion: base of metacarpals 2 and 3
Term
Palmaris longus
Definition
Action: flexor of wrist

Origin: epicondyle of humerus

Insertion: palmar aponeurosis
Term
Flexor carpi ulnaris
Definition
Action: Flexion and adduction of wrist

Origin: medial epicondyle of humerus and olecranon of ulna

Insertion: pisiform, hamate, and 5th metacarpal
Term
Extensor carpi radialis brevis
Definition
Action: Extend and abduct wrist

Origin: epicondyle of humerus

Insertion: Base of metacarpals 2 and 3

(Extensor carpi radialis longus has same action, origin and insertion)
Term
Extensor carpi radialis longus
Definition
Action: Extend and abduct wrist

Origin: epicondyle of humerus

Insertion: Base of metacarpals 2 and 3

(Extensor carpi radialis brevis has same action, origin and insertion)
Term
Extensor digitorum
Definition
Action: Finger extension

Origin: epicondyle of humerus

Insertion: distal phalanges
Term
Extensor carpi ulnaris
Definition
Action: extend and adduct wrist

Origin: epicondyle of humerus

Insertion: Base of metacarpal 5
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