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A femoral derotation osteotomy can be performed to correct version abnormalities such as excessive anteversion or retroversion of the hip joint. Excessive anteversion of the femur results in anterior instability of the hip joint while excessive retroversion results in femoroacetabular hip impingement. [5]
In extreme cases, the malalignment can be treated by means of a derotational osteotomy which is a major surgical procedure. [3] It can be conducted around the existing intramedullary fixtures, but it usually requires a subtrochanteric osteotomy, which is an invasive surgical approach where bone is cut and realigned.
Pigeon toe, also known as in-toeing, is a condition which causes the toes to point inward when walking.It is most common in infants and children under two years of age [1] and, when not the result of simple muscle weakness, [2] normally arises from underlying conditions, such as a twisted shin bone or an excessive anteversion (femoral head is more than 15° from the angle of torsion) resulting ...
In early skeletal development, a common physis serves the greater trochanter and the capital femoral epiphysis. This physis divides as growth continues in a balance that favors the capital epiphysis and creates a normal neck shaft angle (angle between the femoral shaft and the neck). The corresponding angle at maturity is 135 ± 7 degrees.
Three types of FAI are recognized (see title image). The first involves an excess of bone along the upper surface of the femoral head, known as a cam deformity (abbreviation for camshaft, which the shape of the femoral head and neck resembles). The second is due to an excess of growth of the upper lip of the acetabular cup and is known as a ...
High tibial osteotomy is an orthopaedic surgical procedure which aims to correct a varus deformation with compartmental osteoarthritis.Since the inception of the procedure, advancements to technique, fixation devices, and a better understanding of patient selection has allowed HTO to become more popular in younger, more active patients hoping to combat arthritis. [1]
Proximal femoral focal deficiency (PFFD), also known as Congenital Femoral Deficiency (CFD), [1] is a rare, non-hereditary birth defect that affects the pelvis, particularly the hip bone, and the proximal femur. The disorder may affect one side or both, with the hip being deformed and the leg shortened.
For example, hip adductor release, musculotendinous lengthening for equinus gait, femoral derotational osteotomy, and knee extension osteotomy are commonly practiced. [ 75 ] [ 77 ] [ 76 ] Less commonly, this surgery may be used for people with stiffness of their elbows, wrists, hands, and fingers.