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 elliptical or crescent in shape.

• 横切声像图显示跟腱起点为椭圆形的较强回声，中点呈近似圆形较强回声，止点呈椭圆形或月牙形较强回声。