DESCRPITION: The articular surfaces of these joints are the heads of the metatarsal bones and the base of the proximal phalanges. They are five in number, one for each digit (toe). It has fibrous capsule strengthened by some ligaments.
It has no dorsal ligament because of the position of the ligaments of the extensor expansion.
· Flexion: Flexion is by the flexor digitorum brevis, flexor digitorium longus, assisted by flexor accessorius, lumbricals and interossei. In the little toe, flexor digiti minimi assists this function, and for the big toe – flexor hallucis brevis and flexor hallucis longus.
Electronic School of Medicine
Creator: Oluwole Ogunranti