Retrieval Quiz 19

What motions can the elbow muscles do?

Elbow flexion, elbow extension, forearm supination, and forearm pronation.

What motions can the wrist muscles do?

Wrist flexion, wrist extension, ulnar deviation, and radial deviation.

What motions can the hand muscles do?

Finger flexion, finger extension, finger abduction, finger adduction, thumb flexion, thumb extension, thumb abduction, and thumb adduction.

What muscles perform elbow flexion?

Biceps brachii, brachioradialis, brachialis, pronator teres, and supinator

What muscles perform elbow extension?

Triceps brachii and anconeus

What muscles perform forearm supination?

Biceps brachii, brachioradialis, and supinator

What muscles perform forearm pronation?

Brachioradialis, pronator teres, and pronator quadratus

What muscles perform wrist flexion?

Flexor carpi ulnaris, flexor carpi radialis, and palmaris longus.

What muscles perform wrist extension?

Extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi ulnaris

What muscles perform ulnar deviation?

Flexor carpi ulnaris and extensor carpi ulnaris

What muscles perform radial deviation?

Flexor carpi radialis and extensor carpi radialis longus

What muscles perform finger flexion?

Flexor digitorum superficialis and flexor digitorum profundus

What muscles perform finger extension?

Extensor digitorum, extensor indicis, and extensor digiti minimi.

What muscle performs thumb flexion?

Flexor pollicis longus

What muscles perform thumb extension?

Extensor pollicis brevis and extensor pollicis longus

Biceps Brachii

Origin: supraglenoid tubercle of scapula and coracoid process. Insertion: radial tuberosity.

Brachioradialis

Origin: lateral supracondylar ridge. Insertion: distal lateral radius above styloid process.

Brachialis

Origin: anterior distal half of humerus. Insertion: ulnar tuberosity and coronoid process.

Triceps Brachii

Origin: infraglenoid tubercle of scapula, inferior greater tubercle on posterior humerus, and posterior humerus. Insertion: olecranon process of ulna.

Anconeus 

Origin: lateral epicondyle. Insertion: olecranon process.

Pronator Teres

Origin: medial epicondyle and coronoid process. Insertion: lateral aspect of middle radius.

Pronator Quadratus

Origin: anterior distal quarter of ulna. Insertion: anterior distal quarter of radius.

Supinator

Origin: lateral epicondyle and adjacent ulna. Insertion: anterior surface of proximal radius.

Flexor Carpi Ulnaris

Origin: medial epicondyle. Insertion: pisiform and base of 5th metacarpal.

Flexor Carpi Radialis

Origin: medial epicondyle. Insertion: base of 2nd and 3rd metacarpals.

Palmaris Longus

Origin: medial epicondyle. Insertion: palmar aponeurosis.

Extensor Carpi Radialis Longus

Origin: lateral supracondylar ridge of humerus. Insertion: base of 2nd metacarpal.

Extensor Carpi Radialis Brevis

Origin: lateral epicondyle. Insertion: base of 3rd metacarpal.

Extensor Carpi Ulnaris

Origin: lateral epicondyle. Insertion: base of 5th metacarpal.

Flexor Digitorum Superficialis

Origin: medial epicondyle, coronoid process, and radius. Insertion: sides of middle phalanx in all four fingers.

Flexor Digitorum Profundus

Origin: coronoid process and proximal three quarters of ulna. Insertion: distal phalanx of all four fingers.

Flexor Pollicis Longus

Origin: anterior radius and interosseous membrane. Insertion: distal phalanx of thumb.

Abductor Pollicis Longus

Origin: posterior middle of radius, ulna, and interosseous membrane. Insertion: base of thumb metacarpal.

Extensor Pollicis Brevis

Origin: posterior distal radius and interosseous membrane. Insertion: base of proximal phalanx of thumb.

Extensor Pollicis Longus

Origin: posterior middle portion of ulna and interosseous membrane. Insertion: base of distal phalanx of thumb.

Extensor Digitorum

Origin: lateral epicondyle. Insertion: base of distal phalanx of all fingers.

Extensor Indicis

Origin: distal ulna and interosseous membrane. Insertion: base of distal phalanx of 2nd finger.

Extensor Digiti Minimi

Origin: lateral epicondyle. Insertion: base of distal phalanx of little finger.