Musculoskeletal Key

Grade Amount of fat within muscle 0 Normal muscle 1 Some fatty streaks 2 More muscle than fat 3 Equal amounts of muscle and fat 4 More fat than muscle…

Fig. 1 Coronal MRI of a 45-year-old female with acute proximal hamstring avulsion (solid arrow) and 6 cm of distal retraction from the ischial tuberosity (dashed arrow) (Taken from Larson…

Fig. 1 (a) 4× and (b) 40× H + E stain from loose bodies after surgical removal demonstrating discrete hyaline cartilage nodules with chondrocytes with mild atypia (Courtesy of University…

Fig. 1 Model of femur demonstrating where a tension or compression fracture of the femoral neck would occur Fig. 2 Compression side femoral neck stress reaction (arrow) is noted on…

Total hip arthroplasty Open reduction internal fixation of the femoral neck/head Surgical dislocation of the hip Open reduction of congenitally dislocated hip Labral repair Femoral or acetabular osteo-/chondroplasty Irrigation and…

Fig. 1 MRI of the right hip. T1-weighted coronal (a) and sagittal (b) images demonstrating an osteochondral defect in the weight-bearing region of the right femoral head Preoperative planning is…

Fig. 1 “Flamingo views” can be beneficial as this is a dynamic maneuver demonstrating potential instability, re-creating a vertical shear-type moment on the pubic symphysis and SI joint. The definition…

Fig. 1 Origins of the hip adductor muscles (Reprinted with permission, Cleveland Clinic Center for Medical Art & Photography © 2013. All rights reserved) Numerous nerves and other vascular structures…

Fig. 1 Schematic of a right hip after the approach. A pointed Hohmann retractor sits on the superior pubic ramus, medial to the iliopectineal eminence. The blunt scissors follow the…

Fig. 1 Diagram of the pubic symphysis demonstrates the midline fibrocartilage pubic disk in red and the anteroinferior arcuate ligament in green (Reprinted from [17] with permission from Elsevier) The…