Push-ups exercise chest muscles. Sit-ups exercise abdominal muscles. Dumbbell exercises the arm. Jumping rope to exercise your feet helps to reduce fat and weight, and your figure is more uniform. It is better to add more outdoor sports at ordinary times. Swimming and running are both good choices. If you can take the stairs, try not to take the elevator. It's best to go to work by bike. If you take a bus, get off at one stop in advance and walk to your destination. More opportunities for walking in daily life can make up for the lack of exercise.