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Anterior and Lateral Regions of the leg

Regional anatomy of lower limb. Anterior and Lateral Regions of the leg. Ling Shucai. The superficial structures 浅层结构. Cutaneous nerves saphenous nerve 隐神经 superficial peroneal nerves. 腓浅神经. Superficial veins great saphenous v. 大隐静脉. The deep structures 深层结构. Deep fascia

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Anterior and Lateral Regions of the leg

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  1. Regional anatomy of lower limb Anterior and Lateral Regions of the leg Ling Shucai

  2. The superficial structures 浅层结构

  3. Cutaneous nerves • saphenous nerve 隐神经 • superficial peroneal nerves. 腓浅神经 • Superficial veins • great saphenous v. • 大隐静脉

  4. The deep structures 深层结构

  5. Deep fascia The deep fascia of the leg is very strong. • Superior extensor retinaculum 伸肌上支持带 • Inferior extensor retinaculum 伸肌下支持带

  6. Muscles of leg Anterior group • Tibialis anterior 胫骨前肌 • Extensor hallucis longus 拇长伸肌 • Extensor digitorum longus 趾长伸肌 • Peroneus tertius 第三腓骨肌

  7. Lateral group • Peroneus longus 腓骨长肌 • Peroneus brevis 腓骨短肌 Functions: Plantar flex and evert the foot 足背屈和外翻

  8. Muscles of foot

  9. Tibialis anterior 胫骨前肌 • Origin: lateral surface of tibia • Insertion: medial cuneiform and base of 1st metatarsal (跖骨) • Action: dorsiflexes and inverts foot(足背屈内翻) • Nerve supply: deep peroneal n.(腓深神经)

  10. 深层的血管和神经 Anterior tibial a. • Descends on anterior surface of interosseous membrane(骨间膜) • In front of ankle joint (踝关节)becomes dorsal a. of foot Dorsal a. of foot

  11. Dorsalis pedis artery 足背动脉 • It begins on the anterior surface of the ankle joint and runs with the deep peroneal nerve • it divides into the arcuate artery and the first dorsal metatarsal artery at the proximal end of the first intermetatarsal space.

  12. Common peroneal n.腓总神经passes over posterior aspect of head of fibula and then winds around neck of fibula, deep to peroneus longus, where it divides into deep and superficial peroneal nerves • Deep peroneal n.腓深神经descends on interosseous membrane and enters dorsum of foot; supplies anterior muscles of leg, and skin of first interdigital cleft • Superficial peroneal n.腓浅神经supplies peroneus longus and brevis and skin on anterior surface of leg and dorsum of foot

  13. Deep peroneal nerve 腓深神经

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