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Genu varum (also called bow-leggedness, bandiness, bandy-leg, and tibia vara) is a varus deformity marked by (outward) bowing at the knee, which means that the lower leg is angled inward in relation to the thigh's axis, giving the limb overall the appearance of an archer's bow.
Hip: coxa vara — the angle between the head and the shaft of the femur is reduced, resulting in a limp. [5] Knee: genu varum (from Latin genu = knee) — the tibia is turned inward in relation to the femur, resulting in a bowlegged deformity. Ankle: talipes varus (from Latin talus = ankle and pes = foot).
Coxa valga is a deformity of the hip where the angle formed between the head and neck of the femur and its shaft is increased, usually above 135 degrees.. The deformity may develop in children with neuromuscular disorders (i.e. cerebral palsy, spinal dysraphism, poliomyelitis), skeletal dysplasias, and juvenile idiopathic arthritis.
Hip: coxa valga (from Latin coxa = hip) – the shaft of the femur is bent outward in respect to the neck of the femur. Coxa valga >125 degrees. Coxa vara <125 degrees. Knee: genu valgum (from Latin genu = knee) – the tibia is turned outward in relation to the femur, resulting in a "knock-kneed" appearance.
Genu valgum, commonly called "knock-knee", is a condition in which the knees angle in and touch each other when the legs are straightened. [1] Individuals with severe valgus deformities are typically unable to touch their feet together while simultaneously straightening the legs.
An abnormally small angle is known as coxa vara and an abnormally large angle as coxa valga. Because changes in shape of the femur naturally affects the knee, coxa valga is often combined with genu varum (bow-leggedness), while coxa vara leads to genu valgum (knock-knees). [24] Changes in trabecular patterns due to altered CCD angle.
A girl with genu recurvatum of her right leg due to polio. The following factors may be involved in causing this deformity: [citation needed] Inherent laxity of the knee ligaments; Weakness of biceps femoris muscle; Instability of the knee joint due to ligaments and joint capsule injuries; Inappropriate alignment of the tibia and femur
In humans, the two femurs converge medially toward the knees, where they articulate with the proximal ends of the tibiae.The angle of convergence of the femora is a major factor in determining the femoral-tibial angle.