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The soleus plays an important role in maintaining standing posture; if not for its constant pull, the body would fall forward. Also, in upright posture, the soleus is responsible for pumping venous blood back into the heart from the periphery, and is often called the skeletal muscle pump, peripheral heart or the sural (tricipital) pump. [5]
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
Blood supply. Its proximal and distal arterial supply consists of perforating branches of the anterior tibial artery and fibular artery. [3] Additional images
The obturator artery is the blood supply to the medial thigh. The muscles in the compartment are: gracilis; adductor longus; adductor brevis; adductor magnus; The obturator externus muscle is sometimes considered part of this group, [1] [2] [3] and sometimes excluded. [4]
Along with the soleus muscle, the gastrocnemius forms half of the calf muscle. Its function is plantar flexing the foot at the ankle joint and flexing the leg at the knee joint. The gastrocnemius is primarily involved in running, jumping and other "fast" movements of leg, and to a lesser degree in walking and standing.
Blood vessels and nerves can also be affected by the pressure caused by any swelling in the leg. If the pressure becomes great enough, blood flow to the muscle can be blocked, leading to a condition known as compartment syndrome. Severe damage to the nerve and blood vessels around a muscle can cause the muscle to die and amputation might be ...
The sural arteries (inferior muscular arteries) are two large branches, lateral and medial, which are distributed to the gastrocnemius, soleus, and plantaris muscles. Sural means related to the calf. [1]
The arteries that supply the posterior compartment of the thigh arise from the inferior gluteal and the perforating branches of the profunda femoris artery, [5] a major collateral branch of the femoral artery and part of the anterior compartment of thigh.