The parts of the body that require special attention are the muscles of the shoulder and arms, abdomen and back, legs, and the heart, lungs and blood vessels.
2
人们通常不会在日常的活动中锻炼他们手臂肌肉的“有氧能力”。
People usually do not have a daily activity where their arm muscles exercise 'aerobically'.
3
俯卧撑锻炼手臂肌肉的运动，运动时脸部朝下卧着并把手掌撑在地面上并且用胳膊推动身体上下运动。
An exercise for strengtheningarm muscles performed by lying face down with the palms on the floor, and pushing the body up and down with the arms.
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