Sit-up device convenient to use for fitness

Abstract

The present invention discloses a sit-up device convenient to use for fitness. The sit-up device comprises a bottom frame, a longitudinal frame and side supporting columns, the bottom end of the bottom frame is welded to the middle of the front vertical face of the longitudinal frame, the left side and the right side of the upper surface of the longitudinal frame are welded to the bottom ends of the two side supporting columns, and a traction mechanism is installed on the upper surface of the bottom frame. The traction mechanism comprises a roller, a connecting rod, a supporting handle and a supporting column butt joint block, bearing butt joint parts of the roller are located on the left side and the right side of the outer wall of the bottom frame, a seat stool is arranged on the upper surface of the roller, and a concave butt joint body is installed in the middle of the right side of the seat stool. According to the fitness sit-up device convenient to use, when a person sits on the seat, the person grips the grip, the pulling force of the person is downward, the idler wheels connected to the lower portion of the seat can move towards the rear portion of the upper surface of the bottom frame, and when the person conducts the operation, the person can form a set of arc shapes to do exercises.

Description

technical field [0001] The invention relates to the field of fitness equipment, in particular to an easy-to-use sit-up device for fitness. Background technique [0002] Fitness is a kind of sports, such as various freehand aerobics, rhythmic gymnastics, gymnastics and various self-resistance movements, gymnastics, yoga can enhance strength, flexibility, increase endurance, improve coordination, and control the ability of various parts of the body, thereby Make the body strong. If you want to achieve the purpose of relieving stress, exercise at least 3 times a week, lie on your back, put your legs together, lift your hands up, use your abdominal muscles to contract, swing your arms forward, quickly become a sitting position, continue to bend your upper body forward, touch your feet with your hands, and bow your head ; Then return to the sitting position, and so on. [0003] However, a conventional sit-up device for fitness that is easy to use on the market at present, the p...

AI Technical Summary

Problems solved by technology

[0003] However, a conventional sit-up device for fitness that is easy to use on the market at present, the present application is created for the prior art, in the prior art, when performing sit-ups to a person, its structure is simplified, while lying on the back There are many training methods for sit-ups, and when doing sit-ups, most of them use head-holding to exercise abdominal muscles. For beginners, since this type of training hurts abdominal muscles, the application will not require hands-holding head training. Sit-ups using pulling force can be applied to initial trainers, and at the same time, it can also exercise the trainers' arm strength. The structure is not optimized and the design is not reasonable enough.

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