Cross sections of right foot

Section through proximal parts of metatarsal shafts, viewed from in front

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Image #204-6

Cross sections of right foot

Section through proximal parts of metatarsal shafts, viewed from in front

This section, cut 2 cm. posterior to the plane of the previous section, illustrates the layers of the muscle (19, 4, 14, 5) deep to the plantar aponeurosis (20) in the central part of the foot. The width of the fascial cleft located deep to the second layer of muscles (4) has been exaggerated by slight downward retraction of the layers superficial to it.

1. Fascia of dorsalis pedis
2. Extensor digitorum longus muscle (tendons)
3. Extensor digitorum brevis muscle
4. Right pointer: Flexor digitorum longus muscle (tendon) Left pointer: 3rd lumbrical muscle
5. Interosseous muscle (see previous view for identification of individual dorsal and plantar interossei)
6. Flexor digiti minimi brevis muscle
7. Abductor digiti minimi muscle
8. Tela subcutanea
9. Extensor hallucis brevis muscle (tendon)
10. Extensor hallucis longus muscle (tendon)
11. Deep plantar branch of dorsalis pedis artery
12. Metatarsal bone
13. Plantar arch (partially cut away)
14. Oblique head of adductor hallucis muscle
15. Abductor hallucis muscle
16. Flexor hallucis brevis muscle
17. Flexor hallucis longus muscle (tendon)
18. Medial plantar nerve
19. Flexor digitorum brevis muscle
20. Plantar aponeurosis
21. Lateral plantar nerve