Doing more exercise is very good for us and can help us achieve the effect of strengthening our body. However, we must choose the exercise method that suits us according to our physical fitness. We must not exercise excessively, which may cause negative reactions in ourselves. Let's get familiar with the manifestations of excessive exercise. 1. Subjective feeling: The subjective feeling during exercise is closely related to many factors such as workload, cardiac function, oxygen consumption, and accumulation of metabolic products. Therefore, the self-feeling during exercise has a certain objectivity in judging sports fatigue. (II) Objective indicators 1. Skeletal muscle indicators ① Muscle strength. The most obvious feature of exercise-induced muscle fatigue is a decrease in muscle strength, which is usually based on absolute muscle strength. If muscle strength decreases significantly after exercise and cannot recover in time, it can be regarded as fatigue. During the test, the exercise muscle strength should be tested in a targeted manner according to different forms of exercise. ② Muscle hardness: When muscles are fatigued, their contraction function decreases and their relaxation ability also decreases. When muscles are fatigued, they cannot fully relax and their hardness increases. ③ Electromyography: Electromyography is the change in electric potential generated when muscles are excited, and can also reflect the degree of muscle excitement and contraction. The changes in electromyography during exercise can determine the functional state of the nervous system and skeletal muscles. Electromyography can also reflect whether muscles are fatigued. Excessive exercise may cause muscle strain and calf cramps. We can apply some Yunnan Baiyao spray to help us achieve good pain relief effects. We must determine the amount of exercise based on our own physical fitness to avoid more unnecessary injuries. |
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