Why when you box and don’t breathe out you feel more tired than when you breathe out
In: Biology
Anaerobic exercise is any activity that breaks down glucose for energy without using oxygen. Generally, these activities are of short length with high intensity.
Aerobic exercise produces energy using a continuous supply of oxygen to sustain the current level of activity without needing additional energy from another source. But anaerobic exercise prompts your body to demand more energy than your aerobic system can produce.
To produce more energy, your body uses its anaerobic system, which relies on energy sources stored in your muscles.
Oxygen is required for the body to be able to use fat for fuel. Since aerobic exercise uses oxygen to produce energy, it can use both fat and glucose for fuel. Anaerobic exercise, on the other hand, can only use glucose for fuel.
Glucose is available in the muscles for quick and short bursts of movement, and can be used when the aerobic system is maxed out for a short period of time.
When you begin to exercise vigorously, there is a temporary shortage of oxygen getting delivered to your working muscles. That means anaerobic exercise must be fueled using glucose through a process called glycolysis.
Glycolysis occurs in muscle cells during high-intensity training without oxygen, producing energy quickly. This process also produces lactic acid, which is the reason why your muscles get so tired after the energy burst.
By engaging in anaerobic exercise regularly, your body will be able to tolerate and eliminate lactic acid more effectively. That means you’ll get tired less quickly.
Source : https://www.healthline.com/health/fitness-exercise/anaerobic-exercise
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