It is a kind of to penetrate the kneading of positive and negative rotation massaging shaft,Enhancing muscle of back loosens the message structure of efficiency,It include an at least roller group,The roller group has a fixed link,The roller group is fixed on a massage apparatus by the fixed link,A rotation axis is provided in the fixed link,The rotation axis hinge joint among a swing arm,The swing arm both ends are symmetrical arranged,And have an idler wheel in each device in swing arm both ends,The both ends idler wheel contacts the different zones on a surface to be massaged respectively,And the swing arm is swung to adjust the both ends idler wheel respectively to the force degree on the surface to be massaged； It is rested on the massage apparatus using Shi Zerang user,It allows the roller group to contact on the body and is somebody's turn to do surface to be massaged,Right Hou starting is respectively massaged on the idler wheel force what surface to be massaged； By the what swing arm can with rotary oscillation,The idler wheel at both ends is enabled separately or concurrently to be massaged,Obtain intending the massage efficacy of true gimmick.一種透過正反轉按摩軸揉捏，增強背部肌肉放鬆效率的按摩結構，包括有至少一滾輪組，該滾輪組具有一固定桿，該固定桿將該滾輪組固定在一按摩設備上，該固定桿上設置有一轉動軸，該轉動軸樞接在一擺動臂中間，使該擺動臂兩端對稱設置，並在該擺動臂兩端各裝置有一滾輪，該兩端滾輪分別接觸一待按摩表面的不同區域，並擺動該擺動臂以調整該兩端滾輪分別對該待按摩表面的施力程度；使用時則讓使用者倚靠在該按摩設備上，讓該滾輪組接觸該身體上的該待按摩表面，然後啟動各該滾輪施力於該待按摩表面進行按摩；由於該擺動臂可以旋轉擺動，令兩端的該滾輪分別或同時進行按摩，得到擬真手法的按摩功效。
