Fig 1.

Flexor hallucis longus stretch test. The patient is in the prone position. (A) Sagittal clinical view of medial side of left ankle and foot. The ankle is in plantar flexion. Full range of motion of the first metatarsophalangeal joint is verified. (B) The ankle is maintained in dorsiflexion by applying pressure at the metatarsal heads. (C) When the ankle is forced into passive dorsiflexion and there is an inability to dorsiflex the first metatarsophalangeal joint, the test result is positive.