Contraction of the calf muscles pulls the heel up to produce a springing movement through the toes. This movement is important in walking, running, jumping, and hopping.
Disorders of the calf musclesPain can occur because of cramp, sciatica (inflammation of the sciatic nerve) or, more rarely, deep vein thrombosis. The calf muscles may be affected by claudication (a cramp-like pain brought on by walking and quickly relieved by rest).
Related category• ANATOMY AND PHYSIOLOGY
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