Bobby jump is a fitness exercise, it is mainly through the squat, push-ups, jumping and a series of movements, to play the role of training muscle groups, including arms, abdomen, back and hip muscle groups, etc., can also exercise the body’s cardio adaptability. If you adhere to a long time can play a certain role in fat loss, but its effect varies from person to person. Because you want to lose fat, in addition to exercise, diet control is also an important factor in fat loss. If the diet control is not good, the effect of exercise may not be significant. Only in the exercise, supplemented by a reasonable fat loss diet, such as low-fat, low-calorie diet, can help to reduce fat. The duration of Bobbi jumping is recommended to be 20-30 minutes each time, which can be appropriately extended or shortened, depending on the person. However, it is not easy to be too long or too short, because too long may lead to excessive muscle strain, too short time will not play a role in exercising muscle groups. In addition, you need to do a good job of stretching before exercise, because Bobbi jumping involves more muscle groups, the intensity of the movement is greater, if not prepared for exercise, may lead to strain. Because of the magnitude and intensity of the action of Bobi jump, some people may not be suitable to do Bobi jump, such as poor knee function of the people. Because the Bobbi jump involves squatting, jumping, the impact of this exercise for the knee is large, if the knee injury or poor function, may cause further damage to the knee. In addition, hypertension and heart disease people are also not suitable to do Bobby jump, because Bobby jump is a high-intensity exercise, a short period of time will lead to a significant increase in heart rate, as well as a significant increase in blood pressure, may have a serious impact on the heart and blood pressure, thus endangering the lives of patients. Patients with lumbar spine diseases are also not suitable to do Bobi jumping, because most of the movements of Bobi jumping require lumbar spine support, such as push-ups, jumping, squatting, the impact on the lumbar spine is greater, may aggravate the lumbar spine disease.