UPPER EXTREMITY Finger, Hand, Elbow, Shoulder HAND & WRIST ANATOMY PALMAR RIGHT HAND VIEW GENERAL INJURIES • Fractures • Direct blows or falls on outstretched hand • Pain, swelling, decreased function • Dislocation/Subluxation • Direct blow from a ball; fall on hand • Gross change in anatomy • Sprains/Strains • Hyperextension or hyperflexion • Synovitis & Bursitis • Overuse & irritation of synvium or bursa • Contusions • Direct blow FINGER INJURIES • Mallet Finger • “Baseball Finger” • Caught in jersey • Direct blow on outstretched finger • Avulsion fracture • Can’t actively extend finger FINGER INJURIES • Boutonniere Deformity • Tendon rupture of middle phalanx • Forced excessive flexion • Can’t fully extend finger • GAMEKEEPER’S THUMB • • • • Ulna Collateral Ligament sprain or tear Forced abduction TEST: bend thumb @ 45 degree angle & abduct. • Pain = sprain • No end point = tear (3rd degree sprain) • FINGER STRAIN • “JAMMING” FINGER • Hyperextension or hyperflexion of finger • TEST: Valgus/Varus for stability. Resistance for strength DE QUERVAIN’S DISEASE • Irritated thumb tendons • Tendons swell or “thicken” • Tenosynovitis • Pain in wrist numbness in fingers • Finkelstein’s test: make a fist thumb tucked in, ulnar deviate wrist. + sign:pain in thumb WRIST IMPINGEMENT • Compression of median & ulnar nerves • Repeated stress • Point tenderness, pain, numbness, loss of strength • PHALEN’S TEST:Press back of hands together, elbow’s up. Squeeze hands. + sign:tingling & numbness ELBOW INJURIES • IMPINGEMENT • Ulnar nerve compression • Point tenderness, pain, numbness, loss of strenght • TINEL’S SIGN:Tap on ulnar goove, +sign: tingling down arm. • BICEPS BRACHI • Found in upper arm • Elbow flexion & hand rotation • Rupture=complete tear • Usually @ origin • Painful bulge may apper @ belly ELBOW INJURIES • Epicondylitis • Swelling of epicondyles • Medial affects flexors “little league elbow” • Lateral=extensors “tennis elbow” • Chronic overuse: twisting/throwing • Pain & point tenderness • VOLKMANN’S CONTACTURE • Swelling or muscle spasm or bone fx putting pressure on arteries of arm • Decreases blood supply • Muscle damage &/or paralysis • Pain when fingers extend • Possible loss of pulse TESTS WHAT IT TESTS HOW TO TEST POSITIVE SIGN TINEL’S Ulnar Nerve (Elbow Imping) Tap @ ulnar groove Tingling to the thumb SPEED’S Biceps tendon (tenosynovitis) Arm flexed @ 60 deg angle. Resist as flex. Pain @ bicepital groove PHALEN’S Ulnar & Median Nerve Arms, elbow, wrist, bent @ 90 deg. Back of hands touching each other. Tingling in fingers FINKELSTEIN’S Thumb tendon (de Quervain’s disease) Make a fist w/thumb inside of palm. Resist as wrist flexes toward ulna Pain means thumb tendon tenosynovitis VALGUS/VARUS Elbow Sprain VAL Push on lateral aspect of elbow medially VAR Push on medial aspect of elbow laterally VAL=Ulnar Collateral Lig VAR=Radial Collateral Lig WRIST FLEXION Manual muscle test of wrist Resist against flexion Weaksness/injury of flexi carpi radialis or ulnaris WRIST EXT Manual muscle test of wrist Resist against extension Weakness/injury of extensor carpis RADIAL DEVIATION Manual muscle test of wrist Resist fist on lateral side Weakness/injury of flexor/extensor carpi radialis ULNAR DEVIATION Manual muscle test of Resist fist on medial Weakness/injury of