Origins and Insertion
The triceps surae is connected to the foot through the Achilles tendon, and has 3 heads deriving from the 2 major masses of muscle.
- The superficial portion (the gastrocnemius) gives off 2 heads attaching to the base of the femur directly above the knee.
- The deep (profundis) mass of muscle (the soleus) forms the remaining head which attaches to the superior posterior area of the tibia.
The triceps surae is innervated by the tibial nerve, specifically, nerve roots L5–S2.
Read more about this topic: Triceps Surae Muscle
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