No exercise calf muscle soreness, the possible causes are soft tissue injury, lower extremity deep vein embolism, lumbar disc herniation. 1. Soft tissue injury: may be due to the local soft tissue by direct, indirect violence, or long-term chronic strain caused by soft tissue injury, local tissue edema, congestion, can appear no exercise calf muscle soreness. It is usually accompanied by local redness, swelling, pain, activity limitation and other symptoms. 2. Lower extremity deep vein embolism: it may be caused by venous blood flow stagnation, venous wall damage, high coagulation state of the blood and other causes of deep vein embolism of the lower extremities, patients usually appear lower extremity venous reflux is impeded, the affected side of the limbs, pain, and the pain will be aggravated when standing. 3. Lumbar disc herniation: Lumbar disc herniation is usually caused by long-term bending and weight bearing, injury accumulation and other reasons. Herniated lumbar discs may compress the nerves in the legs, and at the same time compress blood vessels, resulting in local hypoxia, ischemia, can also appear without exercise calf muscle aches and pains. No exercise calf muscle pain may also have other reasons, it is recommended to go to the regular hospital in time to improve the relevant examination, clear cause, under the guidance of the doctor for targeted treatment or treatment.