That's enough. Hip bridge is a kind of fitness exercise. Hip bridge action has excellent sports effect on hips. At the same time, it also has a great training effect on hamstring muscles and crotch of the posterior thigh. Adding a certain weight to the body when making the hip bridge can enhance the muscle training of the body, generally about 20 to 40 kilograms, so the barbell of 40 kilograms belongs to the range that the human body can bear, and the extra weight of 40 kilograms will cause certain harm to the body, so 40 kilograms is enough.