The best exercise equipment for tightening the abdomen and lifting the chest - treadmill

　　Choosing an exercise intensity that suits you is also a problem that people often overlook. Generally, it can be detected on a treadmill. heart rate . Generally, the target heart rate should be calculated according to the card formula, that is, target heart rate = [(220-age)-static heart rate] × (50%-70%)% + static heart rate. The static heart rate is the number of pulse beats per minute in a calm state. If the target heart rate is exceeded, the exercise intensity needs to be adjusted, otherwise it will cause some sports injuries.

　　Some people are accustomed to arching their chest and back when running, and the body's center of gravity tilts forward, which will increase the pressure on the lumbar spine and cause lumbar strain over time. In addition, the impact of the shock and fall on the soles of the feet during running is almost five times the body weight. The forward center of gravity will bring greater impact to the leg and foot joints, which will cause discomfort over time. So on the treadmill exercise When doing this, be sure to tighten your abdomen, lift your chest, and tighten your waist and back muscles.

　　It will also cause physical discomfort. Do not swing your arms left and right. This will cause the center of gravity to swing left and right, which will have an adverse effect on the knee joint. When exercising on the treadmill, swing your arms back and forth.

　　Someone made a particularly loud noise when running. It is possible that they landed directly on the balls of their feet. Direct landing of the soles of the feet will transmit the reaction force of the ground to the human body through the bones to the spine and brain. This is why some people feel uncomfortable in the head after exercising on a treadmill. You should follow the arc transition landing method from the heel to the ball of the foot, and try to land as gently as possible. 　Choosing an exercise intensity that suits you is also an issue that people often overlook. Generally, heart rate can be detected on a treadmill. Generally, the target heart rate should be calculated according to the card formula, that is, target heart rate = [(220-age)-static heart rate] × (50%-70%)% + static heart rate. The static heart rate is the number of pulse beats per minute in a calm state. If the target heart rate is exceeded, the exercise intensity needs to be adjusted, otherwise it will cause some sports injuries.