The causes of muscle spasm include cold, excessive traction, calcium deficiency, malnutrition, external force injury, abnormal nerve excitement, etc. A large amount of exercise in daily life will cause muscle fatigue. If the difficulty of movement has exceeded the endurance range of the muscle, improper force, etc. will cause muscle contraction obstacles, which will lead to muscle spasm. The cold weather environment will directly cause the muscle to produce rigidity contraction and cause spasm. In addition, a large number of unreasonable use of diuretics will cause electrolyte disorders in the body, and will also cause increased muscle excitability, which will lead to spasticity. Others, such as rapid breathing, lack of water, excessive sweating, high fever, parathyroidism, etc., may cause muscle spasm.
