Treadmill, spinning bike and elliptical machine are common aerobic exercise equipment in gymnasiums, which can effectively warm up and reduce fat and achieve the effect of body shaping.

It is especially difficult for beginners to increase resistance when they are not familiar with the movement of a free weight (dumbbell, barbell). This kind of machine can help users avoid being hurt by heavy objects. Especially when bench press equipment or squat equipment wants to challenge greater weight but nobody cares, the machine is quite helpful.

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Precautions:

1. Trainers should choose exercise programs according to their age and physical condition. Old people are suitable for walking and jogging, while young people are suitable for some large-scale training programs, such as basketball, football and long-distance running. Teenagers are not suitable for doing too much exercise, otherwise it will be harmful to their physical development.

2. Fully exercising and stretching muscles before exercise can effectively prevent strain and sprain. Now many people don't pay attention to warm-up, just twist their bodies and it's over. This is a misunderstanding, warm-up, at least to achieve the purpose of heat, that is to say, to sweat slightly, jog for a while first, and then move all joints when the body is hot.

3. For some instruments with high agility and large amount of exercise, personnel protection must be done well, and the safety of the instruments should be tested in advance.

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