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Pronator teres
- Origin: Medial epicondyle of the humerus
- Insertion: LAteral radius
- Action: Pronates forearm
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Flexor carpi radialis
- Origin: Medial epicondyle of the humerus
- Insertion: 2nd and 3rd metacarples
- Action: Flexes hand at wrist, abducts hand
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Palmaris longus
- Origin: Medial epicondyle of the humerus
- Insertion: Palmar aponeurosis
- Action: Flexes hand at wrist
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Flexor carpi ulnaris
- Origin: Medial epicondyle of the humerus, olecranon process of the ulna, shaft of the ulna
- Insertion: Pisiform, hamate, 5th metacarple
- Action: Flexes hand at wrist, adducts hand
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Flexor digitorum superficialis
- Origin: Medial epicondyle of the humerus, coronoid process of the ulna, shaft of the radius
- Insertion: Middle phalages of 2nd to 5th digit
- Action: Flexes hand at wrist, Flexes proximal interphalangeal joints
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Flexor digitorum profundus
- Origin: Ulna and interosseous membrane
- Insertion: Distal phalages of 2nd to 5th digit
- Action: Flexes distal interphalangeal joints
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Flexor pollicis longus
- Insertion: Anterior radius and interosseous membrane
- Orgin: Distal phalanx of pollux
- Action: Flexes 1st interphalangeal join
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Pronator quadratus
- Insertion: Distal and anterior ulna
- Orgin: Distal and anterior radius
- Action: Pronates forearm
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Brachioradialis
- Insertion: Lateral supracondylar ridge of the humerus
- Orgin: Styloid process of the radius
- Action: Flexes forearm at elbow, stabilizes elbow during flexion and extension
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Extensor carpi radialis longus
- Insertion: Lateral supracondylar ridge of the humerus
- Orgin: 2nd metacarpal
- Action: Extends hand at wrist, abducts hand
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Extensor carpi radialis brevis
- Insertion: Lateral epicondyle of the humerus
- Orgin: 3rd metacarpal
- Action: Extends hand at wrist, abducts hand
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Extensor digitorum
- Insertion: Lateral epicondyle of the humerus
- Orgin: Distal phalanges of 2nd to 5th digit
- Action: Extends distal interphalangeal joints, extends hand at wrist
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Extensor carpi ulnaris
- Insertion: Lateral epicondyle of the humerus, posterior ulna
- Orgin: 5th metacarpal
- Action: Extends hand at wrist, adducts hand
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Supinator
- Insertion: Lateral epicondyle of the humerus, proximal ulna
- Orgin: Proximal end of radius
- Action: Supinates forearm
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Abductor pollicis longus
- Origin: Posterior radius, posterior ulna, interosseous membrane
- Insertion: Trapezium, 1st metacarpal
- Action: Abducts pollex
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Extensor pollicis bravis
- Origin: Posterior radius, posterior ulna, interosseous membrane
- Insertion: Proximal phalanx of pollex
- Action: Extends 1st metacarpalphalangeal joint
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Extensor pollicis longus
- Origin: Posterior radius, posterior ulna, interosseous membrane
- Insertion: Distal phalanx pollex
- Action: Extends 1st interphalangeal joint
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Extensor indicis
- Origin: Posterior radius, posterior ulna, interosseous membrane
- Insertion: Distal phalanx of 2nd digit
- Action: Extends 2nd distal interphalangeal joint
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Extensor digiti minimi
- Origin: Lateral epicondyle of the humerus
- Insertion: Distal phalanx of 5th digit
- Action: Extends 5th distal interphalangeal joint
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