Back of body formula arm strength elongator
The utility model discloses a back of body formula arm strength elongator relates to sports apparatus equipment field, and this back of body formula arm strength elongator's worker appears a bilateral symmetry and is equipped with two bracess, and the positioning pole of the rectangular bodily...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model discloses a back of body formula arm strength elongator relates to sports apparatus equipment field, and this back of body formula arm strength elongator's worker appears a bilateral symmetry and is equipped with two bracess, and the positioning pole of the rectangular bodily form is all installed to worker's shape frame both sides, and two positioning poles all are connected through bolt and worker's shape frame, and the symmetry was equipped with a plurality of positioning holes to the side of worker's shape was put up, and two transpose pole pairs calls to be fixed with a plurality of springs, and the spring outer end of both sides all is fixed with the pull ring. The shape frame back of the body will be good at at the back to sportsman's accessible braces during the use, and the pull ring of both sides is held to both hands, and back muscle is tempered to the pulling spring, go back the accessible bolt and coordinate with different positioning holes, and the tensile distance of adjusting spring is adjusted and is tempered the degree of difficulty, and the worker appears to put up and to prevent effectively that the spring clamp hinders the sportsman back, and the convenience is handy, and training effect is good. |
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