Protective training device for muscle training in sports classroom

Abstract

The invention discloses a protective training device for muscle training in a sports classroom, one end of a support frame is provided with an adjusting mechanism, and the adjusting mechanism comprises a sliding groove, a guide rod, a connecting block, a connecting belt, a mounting block, a rotating rod, a guide hole, an auxiliary rotating shaft, a support block, a clamping groove, a clamping plate, an extension spring, an embedded plate, an embedded groove, a support rod and a bearing frame; according to the structure, the adjusting mechanism is arranged, the connecting block is conveniently driven to move through the connecting belt, the extension spring is conveniently installed through the cooperation of the clamping groove and the clamping plate, when an exerciser is a beginner, the exerciser is assisted to do pull-up through the action of the extension spring, muscle strain caused by forced upward stretching is avoided, in addition, through the cooperation of the clamping groove and the support rod, the bearing frame can be conveniently installed, and therefore by placing a heavy object in the bearing frame, the exerciser can add the proper weight according to the situation of the exerciser, and the exercise effect is improved.

Description

technical field [0001] The invention relates to the technical field of muscle training, in particular to a protective training device for muscle training in a physical education classroom. Background technique [0002] Pull-ups, an exercise that exercises the muscles of the upper body. Pull-ups require a certain amount of grip strength and upper body strength, and this strength must be able to overcome one's own body weight to complete once. Pull-ups play an important role in developing upper body hang strength, shoulder girdle strength, and grip strength. It calculates the score based on the number of times completed according to the movement specifications. If you do more, you will get better results. Usually, when doing pull-ups, a horizontal bar is used; [0003] However, the existing muscle training devices in physical education classrooms lack the components to assist the exercisers to exercise, so that when the exercisers are beginners, they lack protective componen...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a protective training device for muscle training in physical education classrooms, which can effectively solve the lack of components for assisting exercise personnel in the above-mentioned background technology, so that when the exercise personnel are beginners, the lack of protective components is easy. Exercising personnel's arms causing strain problems

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