Twinned stretching device
A stretcher and rotating shaft technology, applied in the field of sports training equipment, can solve the problems of less exercise of the back and lower limbs, injuries, inconvenience in sports career, etc., and achieve the effect of high safety factor, less injury accidents, and no limitation of venue and time
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[0009] The duplex spreader of the present invention will be further described below in conjunction with the accompanying drawings:
[0010] As shown in the figure: double spreader, the bracket 3 is fixed on the base 7, the armrest 4 is welded on the top of the bracket 3, the upper backing plate 5 and the lower backing plate 6 are connected and fixed on the base 7 by the rotating shaft 1, and the outer sides of the rotating shaft 1 Install pedal 2.
[0011] When in use, the person holds the armrest tightly with both hands, sits on the lower backing board, leans the back on the upper backing board, steps on the pedals, and uses their own weight to stretch backwards as far as possible. The back and thigh muscles can be stretched and stretched through alternating back and forth movements. spinal joint.
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