Training feeling tired and weak may be a normal physiological phenomenon, or it may be caused by diseases that have nothing to do with training, such as autonomic dysfunction, insufficient blood supply to the brain, and so on.
1. Physiological phenomenon: for some people who have not been training for a long time, the amount of exercise itself is insufficient, suddenly accept a large number of training will appear tired, which is a normal physiological phenomenon.
2. Autonomic dysfunction: long-term mental stress, psychological pressure, excessive tension can lead to autonomic dysfunction caused by a group of syndromes, including circulatory symptoms, digestive symptoms, respiratory symptoms, and endocrine disorders, the common symptoms are upright low blood pressure, dizziness, panic attacks, gastric distension, vomiting, numbness of the limbs, insomnia, forgetfulness, anxiety and depression, and so on.
3. Insufficient blood supply to the brain: cervical compression of blood vessels, chronic heart disease, hypertension, hyperlipidemia, diabetes, etc. will affect the blood supply to the brain, resulting in arterial circulation disorders, cerebral ischemia and hypoxia will appear fatigue, all day lethargy, dizziness, headache, sleep disorders, limb weakness and other symptoms.
Training feel very tired whole body no energy to pay attention to rest, exclude physiological phenomena should be timely medical treatment, under the guidance of a professional physician to clarify the diagnosis, and give standardized treatment.