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Muscular System: Forearm (Antebrachium) OIA
BI 301L: Anatomy and Physiology (Portland State University)
54
Anatomy
Undergraduate 3
10/30/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Biceps Brachii short head origin
Definition

Origin: coracoid process of the scapula

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Term
Biceps brachii short head insertion
Definition

Insertion: radial tuberosity

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Term
Biceps brachii short head action
Definition

Action: supination, flexion at elbow and shoulder

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Term
Biceps brachii long head origin
Definition

Origin: superior margin of glenoid cavity

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Term
Biceps brachii long head insertion
Definition

Insertion: radial tuberosity

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Term
Biceps brachii long head action
Definition

Action: supination, flexion at elbow and shoulder

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Term
Brachialis origin
Definition

Origin: anterior distal half of humerus

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Term
Brachialis insertion
Definition

Insertion: ulnar tuberosity and coronoid process of ulna

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Term
Brachialis action
Definition

Action: flexion at elbow

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Term
Brachioradialis origin
Definition

Origin: lateral supracondylar ridge of humerus

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Term
Brachioradialis insertion
Definition

Insertion: lateral surface of radius near styloid process

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Term
Brachioradialis action
Definition

Action: flexion at elbow

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Term
Triceps brachii lateral head origin
Definition

Origin: posterior surface of proximal end of humerus

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Term
Triceps brachii lateral head insertion
Definition

Insertion: olecranon process of ulna

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Term
Triceps brachii lateral head action
Definition

Action: extension at elbow

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Term
Triceps brachii long head origin
Definition

Origin: inferior margin of glenoid cavity of scapula

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Term
Triceps brachii long head insertion
Definition

Insertion: olecranon process of ulna

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Term
Triceps brachii long head action
Definition

Action: extension at elbow; extension and adduction of humerus

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Term
Triceps brachii medial head origin
Definition

Origin: posterior surface of humerus

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Term
Triceps brachii medial head insertion
Definition

Insertion: olecranon process of ulna

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Term
Triceps brachii medial head action
Definition

Action: extension at elbow

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Term
Anconeus origin
Definition

Origin: lateral epicondyle of humerus

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Term
Anconeus insertion
Definition

Insertion: olecranon and posterior surface of ulna

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Term
Anconeus action
Definition

Action: extension at elbow

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Term
Pronator quadratus origin
Definition

Origin: anterior surface of distal ulna

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Term
Pronator quadratus insertion
Definition

Insertion: anterior surface of distal radius

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Term
Pronator qudratus action
Definition

Action: pronation

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Term
Pronator teres origin
Definition

Origin: humeral shaft shaft near medial epicondyl and coronoid process of ulna 

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Term
Pronator teres insertion
Definition

Insertion: lateral surface of radius

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Term
Pronator teres action
Definition

Action: pronation, weakly flexes elbow 

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Term
Supinator origin
Definition

Origin: lateral epicondyle of humerus, supinator crest, annular and radial collateral ligaments

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Term
Supinator insertion
Definition

Insertion: proximal one-third of radius

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Term
Supinator action
Definition

Action: supination

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Term
Flexor carpi radialis origin
Definition

Origin: medial epicondyle of humerus

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Term
Flexor carpi radialis insertion
Definition

Insertion: bases of second and third metacarpals

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Term
Flexor carpi radialis action
Definition

Action: flexion and abduction (radial flexion) at wrist

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Term
Flexor carpi ulnaris origin
Definition

Origin: medial epicondyle of humerus; medial surface of olecranon and posterior surface of ulna

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Term
Flexor carpi ulnaris insertion
Definition

Insertion: Pisiform, hamate, and base of 5th metacrapal

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Term
Flexor carpi ulnaris action
Definition

Action: flexion and adduction (ulnar flexion) at wrist

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Term
Palmaris longus origin
Definition

Origin: medial epicondyle of humerus

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Term
Palmaris longus insertion
Definition

Insertion: Palmar aponeurosis and flexor retinaculum

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Term
Palmaris longus action
Definition

Action: anchors skin and fascia of palmar region

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Term
Extensor carpi radialis longus origin
Definition

Origin: lateral supracondylar ridge of humerus

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Term
Extensor carpi radialis longus insertion
Definition

Insertion: base of 2nd metacarpal 

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Term
Extensor carpi radialis longus action
Definition

Action: extension and abduction (radial flexion) at wrist

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Term
Extensor carpi radialis brevis origin
Definition

Origin: lateral epicondyle of humerus

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Term
Extensor carpi radialis brevis insertion
Definition

Insertion: base of 3rd metacarpal

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Term
Extensor carpi radialis brevis action
Definition

Action: extension and abduction (radial flexion) at wrist

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Term
Extensor carpi ulnaris origin
Definition

Origin: lateral epicondyle of humerus

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Term
Extensor carpi ulnaris insertion
Definition

Insertion: base of 5th metacarpal

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Term
Extensor carpi ulnaris action
Definition

extension and abduction (ulnar flexion) at wrist

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Term
Extensor digitorum origin
Definition

Origin: lateral epicondyle of humerus

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Term
Extensor digitorum insertion
Definition

Insertion: posterior surfaces of phalanges 2-5

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Term
Extensor digitorum action
Definition

Action: extension at finger joint and wrist

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