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Minute black areas on the heels (or less often the toes or hands) caused by repetitive injuries that produce hemorrhage into the skin.  

The ankle joint; a ginglymoid or hinge joint.  

A deformity of the hand in which it is twisted out of position. Clubhand, a malformation akin to clubfoot.  

Talipes in which the heel is turned inward from the midline of the leg. Clubfoot where the foot is twisted and directed inwards.  

Talipes in which the heel and foot are turned outward. Clubfoot where the foot is twisted and pointed outwards.  

Talipes in which there is excessive plantar curvature.  

Talipes in which the foot is plantar flexed and the person walks on the toes. Clubfoot where the foot is curved downwards.  

Talipes in which the foot is dorsiflexed and the heel alone touches the ground, causing the patient to walk on the inner side of the heel. It often follows infantile paralysis of the calf muscles. Clubfoot where both the ankle and foot are curved upwards.  

Talipes in which there is an exaggerated medial arch of the foot.