The main functions are as follows:
1. Running: It can consume energy, improve cardiopulmonary skills, speed up blood circulation, and achieve the purpose of losing weight, mainly by exercising leg muscles.
2, sit-ups: mainly exercise the muscles of the lower abdomen and back, but also protect the abdominal cavity and lose weight healthily.
3. Rowing: mainly exercise muscles such as abdomen, back, hands and shoulders to improve coordination.
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