ANAT30007 Lecture Notes - Lecture 18: Peroneus Longus, Anatomical Terms Of Motion, Common Peroneal Nerve
20 May 2018
School
Department
Course
Professor
Fibularis longus: from Head and proximal 2/3 of lateral fibula to Plantar base of 1st metatarsal
and medial cuneiform
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Fibularis brevis: from Distal 2/3 of lateral surface of fibula to Dorsal surface of tuberosity on
lateral side of 5th metatarsal
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Go behind lateral malleolus (deep groove)
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Actions: Eversion and weak plantar flexion, maintains arch of foot
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NS: superficial fibular nerve (L4,5,S1,2)
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Lateral muscles
Locomotor Page 8
Hamstring tendons: semitendinosus and semimembranosus (medial border),
biceps femoris (lateral border)
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Heads of Gastrocnemius (inferior border)
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Between
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Small saphenous vein
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Sciatic nerve divides into tibial & common fibular nerves
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Lateral (from fibular) and medial (from tibial) sural nerves
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Popliteal artery (deep), vein (superficial) + branches/tributaries
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Popliteal lymph nodes
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Popliteus muscle
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Contents
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Popliteal fossa:
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Note: difficult to palpate pulse of popliteal a.
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Clinical significance: Compression of common peroneal n. at lateral knee
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Posterior compartment
Locomotor Page 9
Document Summary
Fibularis longus: from head and proximal 2/3 of lateral fibula to plantar base of 1st metatarsal and medial cuneiform. Fibularis brevis: from distal 2/3 of lateral surface of fibula to dorsal surface of tuberosity on lateral side of 5th metatarsal. Actions: eversion and weak plantar flexion, maintains arch of foot. Hamstring tendons: semitendinosus and semimembranosus (medial border), biceps femoris (lateral border) Sciatic nerve divides into tibial & common fibular nerves. Lateral (from fibular) and medial (from tibial) sural nerves. Note: difficult to palpate pulse of popliteal a. Clinical significance: compression of common peroneal n. at lateral knee. Contains muscles, tibial nerve & posterior tibial vessels. Posterior tibial artery gives off fibular artery (sends perforating branches to lateral compartment) Tibial n. enters between gastrocnemius & under soleus. Tenoperiostitis (shin splints): tendon and muscle attachments to the periosteum around the tibia become inflamed due to overuse. Tibialis anterior causes pain during eversion, tibialis posterior can also cause tenoperiostitis.
