elbow and forearm. elbow humeroulnar humeroradial radioulnar zsuperior zinferior
Post on 20-Dec-2015
254 views
TRANSCRIPT
![Page 1: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/1.jpg)
Elbow and Forearm
![Page 2: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/2.jpg)
Elbow
HumeroulnarHumeroradialRadioulnarSuperiorInferior
![Page 3: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/3.jpg)
Bony Stability
Trochlea fossa and trochleaCoronoid processHumeroradial joint
![Page 4: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/4.jpg)
Ligamentous Stability
Medial/ulnar collateralAnteriorPosteriorTransverse/obliqueLateral/radial collateralRadial collateralAnnularLateral ulnohumeral
![Page 5: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/5.jpg)
Radioulnar Joint
Annular
![Page 6: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/6.jpg)
Radioulnar JointQuadrate
Oblique
Interosseous Membrane
Anterior and posterior radioulnar ligaments (distal)
![Page 7: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/7.jpg)
Elbow Injuries
Lateral EpicondylitisECRBFaulty mechanicsOff-center ball contactGrip tightnessRacquet vibration
![Page 8: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/8.jpg)
Elbow Injuries
Medial EpicondylitisEccentric wrist flexorsHigh velocity valgus extensionPT, FCR, FCU
![Page 9: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/9.jpg)
Elbow Injuries
Valgus Extension Overload InjuriesValgus torqueElbow extension
![Page 10: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/10.jpg)
Valgus Extension Overload Injuries
![Page 11: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/11.jpg)
Valgus Extension Overload Injuries
![Page 12: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/12.jpg)
Valgus Extension Overload Injuries
![Page 13: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/13.jpg)
Valgus Extension Overload Injuries
![Page 14: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/14.jpg)
Valgus Extension Overload Injuries
End of cocking phase Resisted by ER 1650 / Flexion 950
Elbow 50 - 90 ft-lbs.Shoulder 50 ft-lbs. / 70 lbs. anterior
![Page 15: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/15.jpg)
Valgus Extension Overload Injuries
![Page 16: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/16.jpg)
Valgus Extension Overload Injuries
Medial injuries:epicondylitisulnar collateral ligamentavulsion fxnerve damage
![Page 17: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/17.jpg)
Valgus Extension Overload Injuries
lateral injuries:radial head/capitulum compressioninflammationchondromalaciaosteophytenecrosis
![Page 18: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/18.jpg)
Elbow Injuries
Distal humeral Fx supracondylar
intercondylar
condylar
epicondylar
![Page 19: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/19.jpg)
Elbow Injuries
Dislocation> 3x less likely to dislocate than shoulder
athletic injuries
collateral ligaments
hyperextension and valgus
![Page 20: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/20.jpg)
Elbow Injuries
Fxulna
olecranon 20 direct or indirect impact
radius radial head 20 fall w/ dislocation
![Page 21: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/21.jpg)
Radial and Ulnar Fx.
Monteggia fx - proximal radius and/or ulna
![Page 22: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/22.jpg)
Radial and Ulnar Fx.
Monteggia fx
![Page 23: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/23.jpg)
Radial and Ulnar Fx.
Galeazzi - distal 1/3 radius 20 fall on outstretched arm
Nightstick - isolated ulna
Distal Radius - account for up to 17% of all fractures
![Page 24: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/24.jpg)
Distal Radial Fx
I - bending Colles - volar tensionSmith - dorsal tension
II - shear (Barton’s)
III - compressive
![Page 25: Elbow and Forearm. Elbow Humeroulnar Humeroradial Radioulnar zSuperior zInferior](https://reader035.vdocuments.mx/reader035/viewer/2022081501/56649d445503460f94a21470/html5/thumbnails/25.jpg)
Distal Radial Fx
IV - avulsion
V - combination