Anatomy. 27 bones in the hand and wrist. Nerves. Medial. Ulnar. Radial. Flexor and extensor tendon for each finger. Anatomy. Carpals. Scaphoid. Lunate. Triquetral. Pisiform. Trapezium. Trapezoid. Capitate. ID: 233884
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Ch. 20 Wrist and Hand
Slide2Anatomy
27 bones in the hand and wrist
NervesMedialUlnarRadialFlexor and extensor tendon for each finger
Slide3Anatomy
Slide4Carpals
ScaphoidLunateTriquetralPisiformTrapeziumTrapezoidCapitateHamate
Slide5Carpals
Scaphoid-SallyLunate-LikesTriquetral-ToPisiform-Party
Trapezium-TrooperTrapezoid-TaylorCapitate-CanHamate-Hit
Slide6Muscles
Slide7Muscles
FlexorsFlexor Carpi RadialisFlexor Carpi UlnarisPalmaris LongusExtensorsExtensor Carpi RadialisExtensor Carpi UlnarisSupinatorPronator Teres and Pronator Quadratus
Slide8Dislocations
Displacement of any bone from normal positionSubluxation: abnormal movement of one of the bones that constitutes a joint
Slide9Colles’ Fracture
Fracture of the distal radius or ulna just above the wrist
From falling on outstretched handSplint and refer to doctor
Slide10Boxer’s Fracture
Fracture to the 5th metacarpalMost commonly seen in someone who has punched something solid
Slide11Mallet Finger
Occurs when a ball strikes the tip of the finger
Also known as baseball fingerTearing of extensor tendon
Slide12Jersey Finger
Occurs when grabbing a jersey Tearing of flexor tendonTreatment usually involves surgery
Slide13Boutonniere Deformity
Caused by blow to bent finger or arthritis
The proximal interphalangeal joint is in flexion and the distal interphalangeal joint is in hyperextension
Slide14Scaphoid Fracture
Pain over anatomic snuffbox
Common fracture in athleticsFall on outstretched handNot well vascularized
Slide15Contusions
Subungual hematoma-bleeding under the nailPain is from the pressure createdPuncture nail to relieve pressure
Slide16Gamekeeper’s Thumb
Sprain of ulnar collateral ligament of the
metacarpophalangeal jointCommon in skiingUse special test to diagnose Tape and protect
Slide17deQuervain’s Tenosynovitis
Inflammation of the extensor pollicus brevis and abductor pollicus longusUse signs and symptoms to diagnosisSpecial testTreat with RICE or cortisone shot
Slide18Carpal Tunnel Syndrome
Carpal tunnel is a passageway that runs from the forearm through the wristMedian nerve runs through CTS occurs when linings of tendons are inflamed or ligaments thicken
Slide19Carpal Tunnel Syndrome
S/S: pain, numbness, tingling in
wrist, hand, and fingersMay drop objectsUsually caused by overusePhalan’s TestTreat conservatively, surgery if needed
Slide20Ganglion Cyst
Ganglion cyst is a small, usually hard lump around a tendon or in a joint capsuleCommon in bowlers, tennis playersUsually on back of wristResolves on its own
Slide21Rehab
Wrist ExtensionWrist FlexionWrist SupinationWrist PronationWrist Ulnar DeviationWrist Radial Deviation
Slide22Rehab
Elbow Flexion
Elbow ExtensionHand Intrinsic MusclesGrip Strength
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