There are many kinds of training equipment to exercise the strength of lower limbs, among which the weight-bearing barbell squat is a kind of barbell, which plays an irreplaceable role in bodybuilding training. It mainly trains the muscles of the thigh and front, and at the same time has exercise effect on the back of the thigh, the buttocks of the calf and the waist. The biggest feature of the leg tracker is that it can exercise the thigh and hip muscles very pertinently, and its safety is the highest among all leg compound exercises. Regular use of baseboard exercise can effectively improve the shape and strength of leg muscles. There is also a kind of equipment called leg clamp, which is very effective for home sports equipment to exercise leg strength and stovepipe.