Fractures of the femoral neck are considered to be impacted when they do not displace during normal hip movement. This implies that the fragments are in close apposition so that they move as one. They have received relatively little attention compared with displaced fractures because they have been considered generally to be simple to treat and complicated rarely by non-union and avascular necr...

OBJECTIVE This work aims to perform a biomechanical test to evaluate the effect of interior supporting system and tantalum rod in simulating the treatment of ischemic necrosis of the femoral head. METHOD Three models were established: control group (group A), interior supporting system group (group B), and tantalum rod group (group C). Step-by-step loading was applied on the top of the femora...

Cam femoroacetabular impingement (FAI) is characterized by a malformed femoral head that may cause shearing between the femur and acetabulum, leading to intraarticular damage and early hip osteoarthritis. Radiographic measurements are used to diagnose cam FAI, but provide only a planar view of the femoral head and often assume the ideal femur shape to be spherical. Statistical shape modeling (S...

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