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lab14 elbowwrist-1

lab14 elbowwrist-1 - ELBOW WRIST Elbow Anatomy Joints...

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ELBOW & WRIST
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Elbow Anatomy Joints: humeroulnar, humeroradial & proximal radioulnar 23 muscles provide stability Ligaments: ulnar collateral ligament, radial collateral
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Wrist Anatomy Joints: radiocarpal, intercarpal & distal radioulnar 9 muscles cross the wrist Ligaments: volar radiocarpal, dorsal radiocarpal, radial collateral
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Movements of Elbow & Wrist Flexion: (140-150°) brachialis, biceps brachii & brachioradialis Extension: (0-10°) triceps & anconeus Pronation: (90°) pronator quadratus & pronator teres Supination: (90°) supinator & biceps Flexion: (80-90°) flexor carpi ulnaris & radialis, palmaris longus Extension: (70-90°) extensor carpi radialis longus & brevis & extensor carpi ulnaris Radial deviation: (15°) flexor & extensor carpi radialis Ulnar deviation: (30- 45°) flexor &
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Common Injury: Collateral Ligament Sprain MOI: elbow hyperextension, valgus or varus force on elbow, FOOSH S/Sx: localized pn over medial elbow, pt tenderness on joint line, + valgus stress test Tx: PRICE, possible immobilization (sling), ROM and isometrics for flexors, extensors & pronators
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Common Injury: Medial Epicondylitis AKA golfer’s or thrower’s elbow MOI: overuse & repeated valgus forces, medial tension/lateral compression, during acceleration of throwing motion S/Sx: swelling, pt tenderness over humeroulnar joint, pn w/ resisted wrist flexion & pronation Special Tests: Valgus stress test
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Common Injury: Lateral Epicondylitis AKA tennis elbow (more common than medial epicondylitis) MOI: overuse & repeated loading of extensor muscles, during deceleration of throwing motion
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