Anatomy study note · Lower limb

Tendo calcaneus

The common tendon of gastrocnemius and soleus (Achilles tendon), inserting on the back of the calcaneum.

Key points

• Gastrocnemius + soleus → calcaneum.
• Ruptures ~5 cm above the insertion.
• Ankle jerk tests S1, S2.
• Connective tissue: from leftover mesenchyme.
• Tendon: dense regular CT.
• Ligament/tendon: dense regular CT — parallel collagen bundles.

The full note in the atlas also covers

Features · Histology · Development · Clinical notes

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 11, PDF pp. 1357–1358, 1459
• Inderbir Singh’s Human Embryology, ch. 7, PDF pp. 94–95
• BRS Cell Biology & Histology, 7th ed., ch. 6, PDF pp. 110–111

More from the lower limb

• Tensor fasciae latae
• Tibia
• Tibial nerve
• Tibialis anterior
• Tibialis posterior
• Tibiofibular joints
• Adductor brevis
• Adductor longus
• Adductor magnus
• Ankle joint
• Anterior tibial artery
• Biceps femoris

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