This creation system discloses a kind of loss of weight overhung construction,It includes; One suspention frame body,One sets the load-bearing device that suspends the traction mechanism of frame body in midair and one sets what suspention frame body and connect with traction mechanism; Wherein,The suspension rope that there are suspention frame body several to stretch through around rank,And suspension rope one end is connect with traction mechanism; By the composition of said mechanism,User can by pullling the free end of suspension rope,And via the transmitting of traction mechanism to interlock load-bearing device,So that load-bearing device is formed one with respect to what user and help strength,And this help strength can according to the demand of user's exercise for power,It is adjusted by adjusting load-bearing device.本創作係揭露一種減重懸吊結構,其包括;一懸吊架體、一設於懸吊架體之牽引機構及一設於懸吊架體並與牽引機構連接之負重裝置;其中,懸吊架體具有數條繞銜穿伸之懸吊繩,且懸吊繩一端與牽引機構連接;藉上述機構之組成,使用者可藉由拉扯懸吊繩之自由端,而經由牽引機構之傳遞以連動負重裝置,使負重裝置相對於使用者形成一扶持力量,且此扶持力量可依使用者肌力訓練之需求,藉由調節負重裝置加以調節。