What causes calf muscle atrophy?
Mar 28, 2023
Source: Cainiu Health
Dr. Xu Shuai
Introduction
Calf muscle atrophy may be caused by lack of exercise, hypocalcemia, dermatomyositis, hyperthyroidism, poliomyelitis, or other reasons, and requires symptomatic treatment. In addition, fractures, avascular necrosis of the femoral head, myasthenia gravis, and amyotrophic lateral sclerosis may also cause the aforementioned problem. If these symptoms persist or worsen, early medical evaluation is recommended.
Muscle atrophy in the lower leg may be caused by factors such as lack of exercise, hypocalcemia, dermatomyositis, hyperthyroidism, or poliomyelitis, and requires symptomatic treatment. Specific causes are analyzed as follows:
1. Lack of Exercise
If a person remains bedridden for prolonged periods, leading to insufficient physical activity in the legs, the aforementioned symptoms may occur. This is commonly known as disuse muscle atrophy. Appropriate massage can be performed, and the individual should also get out of bed and walk around to gradually restore calf function.
2. Hypocalcemia
Calcium plays a crucial role in maintaining the normal functioning of the body's muscular, nervous, and circulatory systems. Long-term calcium deficiency can directly impair normal blood metabolism and neural electrical signal transmission in leg muscles. As the condition progresses, patients may gradually develop symptoms such as muscle atrophy, frequent spasms, and reduced motor capacity. Patients may take medications such as calcium gluconate tablets or oyster shell calcium carbonate tablets under medical guidance to improve their condition.
3. Dermatomyositis
This is an inflammatory disease characterized by muscle weakness and skin rash. When it affects the muscle tissue in the lower leg area, it not only leads to overactive immune responses in the local muscle groups but also damages surrounding tissues such as blood vessels and tendons, resulting in the aforementioned adverse symptoms. Patients may be treated with medications such as methylprednisolone tablets or dexamethasone tablets under a doctor’s supervision.
4. Hyperthyroidism
Recurrent hyperthyroidism can easily damage muscle nerves, causing patients to experience localized numbness, pain, and muscle atrophy. Patients may take medications such as methimazole tablets or propylthiouracil tablets under medical guidance.
5. Poliomyelitis
Severe poliomyelitis can also damage limb nerves, leading to symptoms such as muscle atrophy, limb deformities, and spinal curvature. Patients need bed rest and should avoid muscle injections, surgery, or other stimuli and injuries that could lead to paralysis. For patients who have already developed paralysis, affected limbs should be positioned in functional positions to prevent stimulation and pressure.
In addition, conditions such as fractures, femoral head necrosis, myasthenia gravis, and amyotrophic lateral sclerosis (ALS) may also cause the above issues. If these symptoms persist or worsen, early medical evaluation is recommended to avoid missing the optimal treatment window.
