. Text-book of anatomy and physiology for nurses. f the two.—To flex the tibialis acting alone lifts the medialborder of the foot; the peroneus lifts the lateralborder. Nerve.—Deep peroneal. The extensor hallucis longus, or longextensor of the great toe. Origin.—The shaftof the fibula and the interosseous —The last phalanx of the great toe. Action.—To extend the great toe. Nerve.—Deep peroneal. The extensor digitonim longus, or longextensor of the toes. Origin.—The shaft ofthe fibula and interosseous membrane (a fewfibers from head of tibia). Insertion.—By-four ten
. Text-book of anatomy and physiology for nurses. f the two.—To flex the tibialis acting alone lifts the medialborder of the foot; the peroneus lifts the lateralborder. Nerve.—Deep peroneal. The extensor hallucis longus, or longextensor of the great toe. Origin.—The shaftof the fibula and the interosseous —The last phalanx of the great toe. Action.—To extend the great toe. Nerve.—Deep peroneal. The extensor digitonim longus, or longextensor of the toes. Origin.—The shaft ofthe fibula and interosseous membrane (a fewfibers from head of tibia). Insertion.—By-four tendons on the second and third phalangesof the four lateral toes, like the similar extensorof the fingers. Action.—To extend the toes. Nerve.—Deep peroneal. Note.—These two muscles, since they passin front of the ankle-joint, flex it. On the dorsum of the foot the extensor digitorumbrevis has four slender tendons for the/oMrwze^—Deep peroneal. Muscles of the metatarsal bones,shaft of the fibula. Fig. 90.—Muscles ofTHE Leg, , Rectus femoris;2, tibia; 3, tibialis an-terior; 4, long extensorof toes; 5, long extensorof great toe; 6, peroneustertius; 7, 8, peroneuslongus, p. brevis; 9, 10,lateral and medial heads,gastrocnemius; 11, shortextensor of toes; 12, an-nular ligament (GouldsDictionary) These muscles extend the ankle and flex the toes; they all passbehind the medial malleolus. They are covered by the calf muscles. The tibialis posterior. Origin.—Shaft of both tibia and fibula and theinterosseous membrane. Insertion.—Navicular and first cuneiform —Extension of the —Tibial. no ANATOMY AND PHYSIOLOGY FOR NURSES. The long flexor of the great toe, or flexor hallucis longus. Origin.—Shaftof fibula. Insertion.—Last phalanx of the great toe (Fig. 91).Nerve.—Tibial. Long flexor of the toes, or flexor digitorum longus. Origin.—Shaft offibula. Insertion.—By four tendons on the las
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