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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!
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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
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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.