Rowing machine, also known as rowing machine, is an instrument that simulates rowing and has a good effect on strengthening the muscles of legs, waist, upper limbs, chest and back. 1968 Finland invented the world's first single-cylinder hydraulic rowing machine. The birth of this rowing machine represents a real family rowing machine in the modern sense, and people in Europe and the United States began to accept rowing at home. Rowing machine is a very good whole-body exercise. It needs to master posture, coordination, body muscles and the use of waist and abdominal muscles. Few people can master it. Aerobic exercise takes the least time. If your posture is wrong, I'm sure you will strain your waist muscles and die at once. Therefore, rowing machines require high endurance, control and coordination of body muscles. The posture is to push your legs to the ground, keep your upper body straight and don't hunch over. Bend down first, pull your arms back, spread your shoulders, hold your chest out, straighten your legs, and repeat the action. The most common mistakes are Luo Guo, hunchback and bending, which will hurt you badly. The key lies in the position of the waist and abdomen. It is challenging to stretch forward without bending over and to control the degree of backward force. Rowing machine is a smooth, interesting and self-challenging fitness exercise. Every stroke, the upper limbs, lower limbs, waist, abdomen and back will complete a complete contraction and extension in this process, which can achieve the effect of a whole body muscle exercise. Especially for people with more fat in the waist, abdomen and upper arms, rowing machine exercise will bring you unexpected body shaping effect. If there is oxygen, the pulp frequency must be controlled, otherwise the heart rate will be very fast. Set the resistance to 5. Control heart rate, pulp frequency 18, 10,000 meters. After the aerobic capacity is gradually increased, the frequency of paddling can be kept low, but each paddling can speed up and increase strength. You can also row 5000 meters at intervals of 500 meters. You can also draw 2000 x 3 at 80% heart rate.