Knee coolness may be caused by physiological factors, may also be knee arthritis, lower extremity vascular disease, lumbar spine disease and other pathological factors.
1. Physiological factors: commonly found in a cold environment for a long time, the patient’s knee joints are cold, local vasoconstriction, part of the population can feel the knee cool, is a normal physiological phenomenon, local warmth and attention to rest can be relieved.
2. Knee arthritis: including osteoarthritis, rheumatoid arthritis, rheumatoid arthritis, etc., the knee joint part will appear knee cool feeling, and accompanied by pain, activity limitation and other performance.
3. Lower extremity vascular diseases: commonly seen in lower extremity arterial embolism, arterial stenosis and other diseases that lead to impaired blood circulation and insufficient blood supply, patients may experience a cool feeling in the knees.
4. lumbar spine disease: such as lumbar disc herniation, lumbar spinal stenosis, etc., after the stimulation of the nerve, the patient will appear to feel sensitive or abnormal, including ants crawling, pins and needles sensation, cold and other nerve stimulation performance.
There may be other reasons for the cold knees, such as repeated episodes can not be improved in a timely manner, it is recommended that patients go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.