Transverse sonograms demonstrated that and the origin of the AT was elliptical in shape, the midportion of the AT was round in shape, and the insertion of the AT was or crescent in shape.

• 横切声像图显示跟腱起点为椭圆形的高回声，中段呈近似圆形高回声，止点呈椭圆形或月牙形高回声；