Biomechanics of the Hip
Activity Typical peak force (BW) Walking, slow 1.6 ± 4.1 Walking, normal 2.1 ± 3.3 Walking, fast 1.8 ± 4.3 Jogging/running 4.3 ± 5.0 Ascending stairs 1.5 ± 5.5 Descending…
ORTHOPEDIC
Intertrochanteric Hip Fracture: Intramedullary Nails
Fig. 8.1 AO Classification system for intertrochanteric fractures. Adapted from “Tscherne Unfallchirurgie.” N.P. Haas, C. Krettek; [Per- and sub-trochanteric fractures]; Copyright Springer: Berlin, Heidelberg 2012 Several studies have shown superior…
Anatomy of the Proximal Femur
Timepoint Milestone 4 weeks Limb buds form from ectodermal layer of ventrolateral wall 7 weeks Cartilaginous models of femur and acetabulum have developed from mesodermal layer. Apoptosis creates cleft between…
Approaches to the Hip
and Abhishek Ganta1 (1) Department of Orthopaedic Surgery, New York University – NYU Langone Orthopedic Hospital, New York, NY, USA Abhishek Ganta Email: Roy.Davidovitch@nyumc.org Introduction Proximal femur fractures are a…
Femoral Neck Fractures in the Elderly
Fig. 6.1 Stable femoral neck fracture on the right side in a moribund patient, axial view (a) and pelvis ap (b). Patient was bedridden due to spinal stenosis and multiple…
Subtrochanteric Femur Fractures
Fig. 9.1 Anteroposterior (AP) radiograph exhibiting a comminuted subtrochanteric femur fracture with shaft extension. Note the proximal fragment in abduction, external rotation, and flexion, the typical appearance of this fracture…
Femoral Neck Fractures in the Young
Fig. 5.1 The distribution of young hip fractures by 10-year cohorts according to mechanism of injury, as presented by Duckworth et al. [5] (Reproduced with permission and copyright © of…
Intertrochanteric Femur Fractures: Plates and Screws
Fig. 7.1 Evans classification of intertrochanteric hip fractures; division of stable fractures suitable for plates and screws and unstable fractures Initial diagnostic studies should include an AP and cross-table lateral…
Ipsilateral Femoral Neck and Shaft Fractures
Fig. 11.1 Ipsilateral femoral neck and shaft fracture treated with a sliding hip screw with antirotation screw, followed by retrograde nail fixation of the shaft component Surgical Technique When employing…
Nonunions of the Proximal Femur
Fig. 10.1 A 38-year-old male who sustained an ipsilateral femoral neck and shaft fracture. (a) Anteroposterior (AP) radiograph at 4 months suggests nonunion. (b) A reconstructed CT image demonstrating a…
