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Inferior end of lateral supracondylar line of femur; oblique popliteal ligament: 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
Soleus muscles have more slow muscle fibers than many other muscles. In some animals, such as the guinea pig and cat, soleus consists of 100% slow muscle fibers. [6] [7] Human soleus fiber composition is variable, containing between 60% and 100% slow fibers. [8] The soleus is the most effective muscle for plantar flexion in a bent knee position.
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 ...
4 Blood supply. 5 Additional images. 6 See also. ... Printable version; In other projects ... Diagram at patientcareonline.com
The soleal line marks the lower limit of the insertion of the popliteus muscle. [2] It is the attachment of the fascia covering this muscle. It is the origin of part of soleus muscle (along with a triangular area above it), [ 3 ] flexor digitorum longus muscle , and tibialis posterior muscle .
The superficial branch then continues onto the dorsum of the foot to supply sensory fibers to the skin there. The main deep neurovascular bundle at risk is the posterior tibial artery . It lies on the posterior aspect of the tibialis posterior and flexor digitorum longus muscle , and medial to the belly of flexor hallucis longus muscle .
When moving upright, the blood volume moves to the peripheral parts of the body. To combat this, the muscles involved in standing contract and help to bring venous blood volume to the heart. [1] [2] The pump is important in affecting the central and local supply of blood output. [3]
The nerve then runs straight down the back of the leg, through the popliteal fossa to supply the ankle flexors on the back of the lower leg and then continues down to supply all the muscles in the sole of the foot. [50] The pudendal (S2-S4) and coccygeal nerves (S5-Co2 [check spelling]) supply the muscles of the pelvic floor and the surrounding ...