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The gastrocnemius muscle (plural gastrocnemii) is a superficial two-headed muscle that is in the back part of the lower leg of humans. It is located superficial to the soleus in the posterior (back) compartment of the leg .
The great saphenous vein (GSV), and the small saphenous vein (SSV) are superficial veins which drain into respectively, the common femoral vein and the popliteal vein. These veins are deep veins. Perforator veins drain superficial veins into the deep veins. Three anatomic compartments are described (as networks), (N1) containing the deep veins ...
The tributaries of the popliteal vein include: Veins that correspond to branches given off by the popliteal artery (see popliteal artery). the small saphenous vein, which perforates the deep fascia and passes between the two heads of the gastrocnemius muscle to end in the popliteal vein. [1] [2] the fibular veins.
Superficial fibular (peroneal) nerve and fibular artery: Deep posterior compartment: Tibialis posterior; Flexor hallucis longus; Flexor digitorum longus; Popliteus; Tibial nerve, posterior tibial artery and posterior tibial vessels such as the fibular artery: Superficial posterior compartment: Gastrocnemius; Soleus; Plantaris; Tibial nerve
It is a superficial vein, being subcutaneous (just under the skin). From its origin, it courses around the lateral aspect of the foot (inferior and posterior to the lateral malleolus ) and runs along the posterior aspect of the leg (with the sural nerve ), where it passes between the heads of the gastrocnemius muscle .
Weakly assists gastrocnemius in plantarflexing ankle Soleus: Posterior aspect of head and superior quarter of posterior surface of fibula; soleal line and middle third of medial border of tibia; and tendinous arch extending between the bony attachments: Plantarflexes ankle independent of position of knee; steadies leg on foot
The gastrocnemius muscle is superficial to (closer to the skin than) the soleus, which lies below the gastrocnemius. The plantaris muscle and a portion of its tendon run between the two muscles. Deep to it (further from the skin) is the transverse intermuscular septum , which separates the superficial posterior compartment of the leg from the ...
Others have the name of the deep vein where they drain: Medial gastrocnemius perforator, draining into the gastrocnemius vein; Fibular perforators, usually two, one superior near the lateral aspect of the knee and one inferior at the lateral aspect of the ankle; When the valves of perforator veins become incompetent they can cause venous reflux ...