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LIF301 Advanced Anatomy Leg Review: Bony Landmarks and Muscles of the Lower Leg Vocabulary • tibial: relating to the tibia • fibular: relating to the fibula • digitorum: digits (fingers or toes) • hallucis: big toe • calcaneal: referring to the heel of the foot • longus: longer of two similar muscles • brevis: shorter of two similar muscles Skeletal Landmarks Plus One Vein! • • • • • • • • • Patella Patellar ligament Tibial tuberosity Anterior crest and medial surface of tibia Medial malleolus of tibia Lateral malleolus of fibula Head of fibula Calcaneus Great saphenous vein Muscle Landmarks of the Lower Leg and Foot • Visible Lower Leg and Foot Muscles – Tibialis anterior – Gastrocnemius – Soleus – Fibularis longus – Extensor digitorum brevis • Ankle Tendons – Tibialis anterior tendon – Extensor hallucis longus tendon – Extensor digitorum longus tendons – Fibularis longus tendon Bony Landmarks of the Lower Leg • Tibial tuberosity • Anterior crest and medial surface of tibia • Medial malleolus of the tibia • Lateral malleolus of fibula • Head of fibula Bony Landmarks of the Lower Leg • Tibial tuberosity • Anterior crest and medial surface of tibia • Medial malleolus of the tibia • Lateral malleolus of fibula • Head of fibula Bony Landmarks of the Lower Leg • Medial surface of tibia • Medial malleolus of the tibia Great Saphenous Vein and Medial Malleolus of the Tibia Bony Landmarks of the Lower Leg • Lateral malleolus of fibula • Head of fibula • Calcaneus Calcaneous Muscle Landmarks of the Lower Leg and Foot • Visible Lower Leg and Foot Muscles – Tibialis anterior – Gastrocnemius – Soleus – Fibularis longus – Extensor digitorum brevis • Ankle Tendons – Tibialis anterior tendon – Extensor hallucis longus tendon – Extensor digitorum longus tendons – Fibularis longus tendon Tibialis Anterior Muscle Tibialis Anterior Muscle Gastrocnemius Muscle, Soleus Muscle, and Calcaneal Tendon Gastrocnemius Muscle, Soleus Muscle, and Calcaneal Tendon Gastrocnemius Muscle and Soleus Muscle Gastrocnemius Muscle, Soleus Muscle, and Calcaneal Tendon Head of the Fibula, Fibularis Longus Muscle, and Lateral Malleolus Head of the Fibula, Fibularis Longus Muscle, and Lateral Malleolus Anterior Ankle Tendons 2 3 Calcaneal Tendon Fibularis Longus Tendon Extensor Digitorum Brevis Muscle Extensor Digitorum Brevis Muscle Extensor Digitorum Brevis Muscle Assignment • Using a reference, draw a dorsiflexed foot with these tendons showing: – tibialis anterior tendon – extensor hallucis longus tendon – extensor digitorum longus tendons • Label all tendons *There’s no need to draw in all the muscles. Just render the foot itself with tendons showing.