Femoral Head Dislocation (Posterior Hip Dislocation) 2006 Moore & Dalley COA fotosearch.com/comp/LIF/LIF134/E jpgnetwork/sfm/Orthorama/Hippose.jpg limb shortened, flexed, & medially rotated Heritage College of Osteopathic Medicine Monday, 17 August 2015 Femoral Head Dislocation (Posterior Hip Dislocation) learningradiology.com/caseofweek/ caseoftheweekpix2006/cow195lg.jpg 2006 Moore & Dalley COA anterior view iliofemoral ligament spiraling hip ligaments tighten & screw femur into hip on extension & slacken on flexion flexionextension right-sided fracture/dislocation fracture dislocation Heritage College of Osteopathic Medicine Monday, 17 August 2015 Hip Fractures: Avascular Necrosis of Femoral Head 2006 Moore & Dalley COA Heritage College of Osteopathic Medicine Monday, 17 August 2015 Hip Fractures: Avascular Necrosis of Femoral Headsubcapital fracture: greatest risk for AVN pertrochanteric fracture: less risk for AVNcoronal T1 MRI left subcapital fracture Heritage College of Osteopathic Medicine Monday, 17 August 2015 ACL-MCL-M Tear (Unhappy Triad) 2006 Moore & Dalley COA ant. cruciate lig. (ACL) med. collateral lig. (TCL) Heritage College of Osteopathic Medicine med. &/or lat. meniscus (M) superior view posterior view Note: Lateral meniscus is not usually included in unhappy triad but studies show it is often injured in acute ACL tears. Monday, 17 August 2015 ACL-MCL-M Tear (Unhappy Triad) Anterior Drawer Sign 2006 Moore & Dalley COA Click movie above to play Heritage College of Osteopathic Medicine Monday, 17 August 2015 Bursae around Knee Prepatellar Bursitis 2006 Moore & Dalley COA suprapatellar subcutaneous prepatellar deep infrapatellar subcutaneous infrapatellar gastrocnemius bursa semimembran- osus bursa popliteus bursa subcutaneous prepatellar bursitis anserine bursa synovial capsule of knee joint synovial capsule of knee joint Heritage College of Osteopathic Medicine Monday, 17 August 2015