Musculoskeletal Key

Fig. 17.1 Radiographs of a postoperative acromial fracture (a) and scapular spine fracture (b) Acromial wear is often seen in patients with cuff tear arthropathy, and this may have a deleterious…

Fig. 22.1 69-year-old male with a painful hemiarthroplasty secondary to subscapularis insufficiency (Top row). This was treated with revision to reverse shoulder arthroplasty with humeral component removal with a successful result…

Fig. 10.1 The anatomical prosthesis (left) maintains the anatomical center of rotation of the humerus and the moment arm (M1) of the middle deltoid force (F). The reverse prosthesis (right) displaces…

Fig. 29.1 a, b AP and axillary view of a RSA dislocation. c AP view of the same RSA after revision with larger glenosphere and spacers Scapular Notching Scapular notching refers…

Fig. 11.1 Picture showing the Motion Monitor with the transmitter and semicircular board, which can be placed in the sagittal plane and scapular plane, functioning as a reference for the patients…

Fig. 1.1 The Reeves prosthesis showing the spiked glenoid component which was cemented into the glenoid (from Professional Engineering Publishing from Reeves et al. [17]) Fig. 1.2 Gerard prosthesis featuring a glenoid…

Fig. 8.1 Photographs of retrieved implants, humeral cups, showing magnitude of inferior wear due to boney impingement The HSS Shoulder Simulator In order to better understand the biomechanics of the reverse total…

Fig. 12.1 Examples demonstrating bearing surface wear. MicroCT data (green) were registered with an idealized head (orange) for all of the retrievals. Estimated regions of wear are represented by a gap…

Fig. 5.1 Histology of Sectioned Ovine Retrieval at 26 Weeks Demonstrating Bone-Through Growth into the Cage Peg Classification of RTSA Implant Designs RTSA Design Classification System The proliferation of RTSA prosthesis…