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Flexor Carpi Ulnaris: Name the action, origin, Insertion
- A: Flex the wrist
- O: Humeral Head: common flexor tendon from medial epicondyle of humerus.
- Ulnar head: posterior surface of proximal two-thirds of ulna
- I: pisiform, hook of the hamate & base of fifth metacarpal.
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Anconeus: Name the action, origion, insertion
- A: Extend the elbow (humeroulnar joint)
- O: Lateral epicondyle of the humerus
- I: Olecranon process and posterior, proximal surface of ulna.
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Flexor Carpi Radialus: Name the action, origin, insertion
- A: Flex and Abduct the wrist (radiocarpal joint)
- O: Common flexor tendon from the medial epicondyle of humerus.
- I: Bases of 2nd and 3rd metacarpals
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Palmaris Longus: Name action, origin, insertion
- A: Tense the Palmar fascia
- O: Common flexor tendon from medial epicondyle of humerus
- I: Flexor Retinaculum and Palmate Aponeurosis
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Biceps Brachii: Name the action, origin, insertion
- A: Flex the elbow (humeroulnar joint)
- O: Short head: Coracoid process of scapula
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Longhead: Supraglenoid tubercle of scapulaI: Tuberosity of the radius and aponeurosis of the biceps brachii
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Triceps Brachii: Name action, origin, insertion
- A: Extend the elbow
- O: Longhead: Extend the shoulder (glenohumeral joint)Lateral head: Posterior surface of proximal half of the humerusMedial head: Posterior surface of distal half of the humerusI: Olecranon process of the ulna
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Corabrachialis: Name action, origin, insertion
- A: Flex and Adduct the shoulder
- O: Coracoid process of the scapula
- I: Medial surface of mid-humeral shaft
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Brachialis: Name the action, origin, insertion
- A: Flex the elbow
- O: Distal half of anterior surface of humerus
- I: Tuberosity and coronoid process of ulna
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Brachioradialus: Name action, origin, insertion
- A: Flex the elbow
- Assist to pronate and supinate the forearm when resisted
- O: Proximal two-thirds of the lateral supracondyler ridge of humerus
- I: Styloid process of radius
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Pronator Quadratus: Name action, origin, insertion
- A: Pronate the forearmO: Medial, anterior surface of distal ulna
- I: Lateral, anterior surface of distal radius
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Supinator: Name action, origin, insertion
- A: Supinate the forearm (radioulnar joints)
- O: Lateral epicondyle of humerus, radial collateral ligament, annular ligament and supinator crest of the ulnaI: Anterior, lateral surface of proximal one-third of radial shaft.
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Abductor Pollicis Longus: Name action, origin, insertion
- A: Abduct and Extend the thumb (carpometacarpal joint)
- Abduct the wrist
- O: Posterior surface of radius and ulna, and interosseous memebrane.
- I: Base of first metacarpal
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Extensor Pollicis Longus and Brevis: Name action, origin, insertion
- A: Extend the thumb Abduct the wrist
- O: Longus: Posterior surface of ulna and interosseous membraneBrevis: Posterior surface of radius and interosseous membraneI: Longus: Base of distal phalanx of thumbBrevis: Base of proximal phalanx of thumb
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Flexor Pollicis Longus: Name action, origin, insertion
- A: Flex the thumb
- O: Anterior surface of radius and interosseous membrane
- I: Base of distal phalanx of thumb
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