. Text-book of anatomy and physiology for nurses. us, areespecially exposed to blows. Special notes.—Observe that the heads of all three bones are proximal;that (he fibula does not form any part of the knee-joint; that nutrient foraminaall run from the knee. The Tarsus (Fig. 58). There are seven tarsal bones arranged in two irregular rows toform the arches of the foot, or instep. First Row. Talus (astragalus).—On the tibial side. Has a head, a neck,and a body; the body is received between the two malleoli to formthe afikle-joint, and the head is turned forward toward the rests upo
. Text-book of anatomy and physiology for nurses. us, areespecially exposed to blows. Special notes.—Observe that the heads of all three bones are proximal;that (he fibula does not form any part of the knee-joint; that nutrient foraminaall run from the knee. The Tarsus (Fig. 58). There are seven tarsal bones arranged in two irregular rows toform the arches of the foot, or instep. First Row. Talus (astragalus).—On the tibial side. Has a head, a neck,and a body; the body is received between the two malleoli to formthe afikle-joint, and the head is turned forward toward the rests upon the calcaneus. 62 ANATOMY AND PHYSIOLOGY FOR NURSES. Calcaneus (os calcis) or bone of the heel.—The largest tarsalbone. It is under the talus (astragalus), and bears the weight ofthe entire body in the erect position. The tuberosity of the cal-caneus projects backward beyond the ankle, and gives attachmentto the largest tendon in the body, the tendon of Achilles (tendoA chillis). Calcaneus Talus Scaphoid, or navicular First cuneiform. Tarsus Metatarsus Phalanges Fig. 58.—Bones of Left Foot.—(Morris.) Second Row. Navicular (os naviculare).—On the tibial side, in front of thetalus, articulating with its head. Cuneiform bones (or wedge-shaped bones).—In front of thenavicular. They are three in number, first, second, and tliird. Cuboid (os cuboideum).—It lies in front of the calcaneus. articulations of the lower Metatarsus. 63 The five metatarsal bones in the foot resemble the metacarpalbones of the hand in their general characteristics, with some specialdevelopments; the interosseous spaces between them are occupiedby interosseous muscles. Phalanges. Fourteen in number, as in the hand, and arranged in a similarmanner—two for the great toe, and three for each of the other —The great toe is in the medial border of the foot.
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