A clean sit-up machine

Abstract

The invention provides a clean sit-up device and a using method. The device comprises a front-end support and a supine back plate, the left side of the front end support is welded to the right side ofthe supine back plate, a telescopic grid belt is attached to the left side of the top of the supine back plate, a smooth hole is formed in the top of the supine back plate, a positioning pulley is fixedly installed on the bottom wall in the smooth hole, the smooth hole is obliquely formed, and a linear pulley is fixedly installed at the bottom of the supine back plate. According to the invention,when the back part is in contact with the telescopic grid belt, the adsorption force and the adhesive force of the telescopic grid belt for adsorbing sweat on the back are enhanced; when the handle is loosened, the telescopic grid belt needs to restore to the original state, so that the pores are gradually reduced, sweat on the back is clamped off by the pores, the sweat on the back of a traineeis removed, the situation that the training of the trainee is affected due to the fact that the sweat on the back is excessively stuck to the supine back plate is effectively avoided, and the traineecan more comfortably train.

Description

technical field [0001] The invention relates to the technical field of fitness equipment, in particular to a clean sit-up machine. Background technique [0002] Sit-ups are a way to exercise your body. Lie on your back, keep your legs together, lift your hands up, use your abdominal muscles to contract, swing your arms forward, quickly get into a sitting position, continue to bend your upper body forward, touch your feet with your hands, and bow your head; then return to a sitting position. And so on. [0003] Sit-ups, the misunderstanding has always been to exercise the abdominal muscles, and the abdominal muscles are only one of the muscles involved in the work. What it really strengthens is not only the abdominal muscles, but also the iliopsoas and the most powerful muscles of the practitioner. The hip flexor muscles and the quadratus lumborum muscles on the dorsal side. With the vigorous development of the national fitness movement, more and more people begin to focus...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the present invention provides a clean sit-up device to solve the existing sit-up device proposed in the above-mentioned background technology. When the trainer is training, the back of the trainer is in contact with the sit-up device When using the sit-ups, the sweat on the back is easy to stick to the surface of the sit-ups, which not only affects the training effect of the trainers, but also the corrosion of the sit-ups will produce peculiar smell after long-term use, especially for men who like shirtless fitness.

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