He injured his toe.

He injured his toe.

The flexor digitorum brevis is a part of the muscles of the foot, playing a role in bending the toes.

He injured his foot.

I bought three pairs of new socks.

His foot is very fast.

He is doing special exercises to strengthen his flexor hallucis brevis.

My flexor pollicis brevis hurts.

He started a special exercise to strengthen his plantaris muscle.

He is doing special exercises to strengthen the flexor digiti minimi brevis of his foot.