What causes leg cramps?
Apr 26, 2023
Source: Cainiu Health
Dr. Lin Yunfei
Introduction
Cramps, also known as muscle spasms, may occur due to muscle fatigue, an overexcited nervous system, or reduced coordination. Insufficient calcium intake can lead to abnormal excitation of the sympathetic nerves in the lower leg, causing involuntary twitching when exposed to cold air. Lumbar spondylolisthesis can repeatedly irritate the nerves in the lower limbs, resulting in neurogenic muscle spasms.
Cramps are also known as muscle spasms. In general, leg cramps may be caused by physiological factors, but pathological causes cannot be ruled out either, such as calcium deficiency or lumbar spondylolisthesis. The details are as follows:
I. Physiological Causes
If physical activity exceeds the body's capacity, it may lead to muscle fatigue. When the nervous system remains in an excited state and coordination function declines, spasms may occur. In such cases, adequate rest, maintaining body warmth, and massage can help relieve symptoms.
II. Pathological Causes
1. Calcium Deficiency
An unbalanced diet leading to insufficient calcium intake can cause abnormal excitation of the sympathetic nerves in the lower leg, resulting in involuntary twitching when exposed to cold air. It is important to improve dietary habits and take calcium supplements as directed by a physician, such as calcium carbonate tablets or calcium lactate tablets.
2. Lumbar Spondylolisthesis
Poor development of the vertebral arch or degenerative joint changes may cause the lumbar vertebrae to slip, repeatedly irritating nerves in the lower limbs and causing neurogenic muscle spasms. Medications such as acetaminophen tablets, naproxen tablets, or mecobalamin tablets may be used under medical guidance. In severe cases, surgical nerve decompression may be required.
Besides the common causes mentioned above, lumbar disc herniation may also be a possible cause. It is recommended to visit a hospital for appropriate diagnostic evaluations.
