Hip-knee-ankle angle. On projectional radiography, the degree of<unk>  or valgus deformity can be quantified by the hip-knee-ankle angle, which is an angle between the femoral mechanical axis and the center of the ankle joint. It is normally between 1.0° and 1.5° of<unk>  in adults. Normal ranges are different in children. File:Hip-knee-ankle angle by age.Hip-knee-ankle angle by age, with 95% prediction interval.
Genu varum
Cryptocotyle
Inoculum
Sequestrum
Scutulum
Genu valgum
Columella 
Caput medusae