Blowing fan leg pain due to cold, humidity and other environmental factors stimulation induced leg diseases, such as rheumatoid arthritis, old fractures, muscle spasm.
1. Rheumatoid arthritis: the cause of the disease is unknown, may be related to genetics, infection, sex hormones, etc., can involve the whole body at the joints, involving the knee joints often have morning stiffness, arthralgia, leg pain, joint deformity and other symptoms. Microbial infection, smoking, cold, humidity and other factors can trigger the disease, leading to attacks and pain symptoms.
2. Old fracture: It is relative to new fracture, and it is more common with delayed healing, and the common symptoms are limitation of limb function at the fracture site, pain and so on. If it occurs in the leg, there may be leg pain symptoms. Muscle contraction when blowing fan, blood circulation can be reduced to aggravate the condition.
3. Muscle spasm: it is a kind of spontaneous tonic contraction of muscles, cold stimulation can lead to muscle spasm, muscle spasm occurring in the calf and toes is the most common, the onset of pain is intolerable, and it can last from a few seconds to a few minutes. The pain can last from a few seconds to a few minutes. It is mostly caused by increased excitability of the nerve roots or muscles.
There may be other causes of leg pain from fan blowing, such as osteoarthritis, etc. If you suffer from underlying leg diseases, you should pay attention to daily warmth and avoid cold. If the symptoms of leg pain persist without relief, you should seek medical attention.