Exercise in recent years has been more and more popular, but it is believed that not many people know how to do good fitness. What are the common ways to make mistakes? Here are some common ways to find out what is wrong.
Fitness method, step backward
Walk backward or run backward can stimulate inactive muscles, improve the body’s balance, therefore, many old people love walk backward when doing exercises.
Because of the cardiovascular reserve capacity of the elderly reduced, walk backward or run backward will make cardiovascular overwhelmed. At the same time, it will make the neck turn, leading to carotid compression, narrowing the lumen, blood flow reduction, resulting in reduced blood supply to the brain, brain hypoxia, and may even turn the neck suddenly collapsed.
For the elderly, once walk backward without unhealthy, but should not regular.
Fitness method two, deep breathing
In recent years, the scientific research and clinical observation of patients with hypertension and coronary heart disease, excessive breathing can cause cardio cerebrovascular contraction, a fatal stroke occurrence, myocardial infarction, and other accidents are directly or indirectly associated with deep breath.
Therefore, experts suggest that arteriosclerosis has occurred, especially in patients with hypertension, cardiovascular and cerebrovascular diseases, it is best not to take deep breathing exercise.
Fitness method three, drink salt water
Study of physiology, breathing, sweating and other physiological activities are still in progress during sleep, and consume a lot of water. When the morning, blood was condensed state, drinking brine will aggravate the hypertonic dehydration, dry mouth feel.
At the same time, the early morning is the first peak of human blood pressure rise, drinking salt water will make blood pressure rise higher, adverse to health.