He seemed in pain with a stone stuck in his sole.

He started a special exercise to strengthen his plantaris muscle.

He injured his toe.

He injured his toe.

The plantar interosseus muscle is a part of the foot muscles and controls the movement of the toes.

He injured his foot.

I bought three pairs of new socks.

His foot is very fast.

He fractured his tarsal bone.

He fractured his metatarsal bone.