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Triceps Surae (Calf Group)
Region: Leg & Foot Muscles · All leg & foot muscles
Triceps Surae (Calf Group) at a glance
| Origin | Femoral condyles (gastrocnemius) and upper tibia/fibula (soleus) |
|---|---|
| Insertion | Calcaneus via the Achilles tendon — the largest tendon in the body |
| Actions | Points the foot downward for push-off in walking, running and jumping |
| Nerve supply | Tibial nerve (S1–S2) |
◆ Good to know
Gastrocnemius plus soleus; the ankle-jerk reflex tests this group (S1), and its rupture-prone tendon joins the two at mid-calf.
More Leg & Foot Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.