The present invention relates to a body-building machine, comprising a sitting frame, a back support frame, and two grips. The sitting frame may touch the ground, and has two opposite left and right side bars and two cross bars disposed respectively at the front and rear ends of the two left and right side bars for connection. The two sides of each cross bar are respectively provided with an insertion portion, and a plurality of rotatable rolling wheels in front and rear parallel arrangement are pivotally mounted between the left and right side bars. The back support frame is provided behind the sitting frame, and has a support post in connection with the cross bar behind the sitting frame. A rotatable back support wheel is arranged at the top of the support post, which is abutted against the ground. The two grips are respectively arranged on the two sides of the seating frame. Therefore, this invention has a better support stability, and can be coordinated with different operating postures for stretching, and exercise massage for head, face, neck, hands, chest, back, abdomen, waist, hip, leg, and has massage effects on the positions of the forehead, top of the head, back of the head, neck, shoulder top, shoulder, back, buttocks, and inner thigh in sequence.本發明係一種健身器,包括一坐架、一後靠架、二握把,並該坐架可著地,具二相對之左、右側桿,並二左、右側桿前後方設置橫桿連結,並橫桿二側分別設置插接部,又於左、右側桿間樞設複數前、後平行排列可旋轉之滾輪;又後靠架設於坐架後方,並具支柱與坐架後方橫桿接合,又於支柱上方設置可旋轉之後靠輪,又該支架與地面抵靠;又二握把分別設於坐架二側;藉此本創作可具較佳支撐穩定性,並可配合不同操作姿勢做拉筋、頭、臉、頸、手、胸、背、腹、腰、臀、腿運動按摩,且可具由前額、頭頂、後腦杓、頸、肩頂、肩、背、臀部、大腿內側位置依序按摩功效。1坐架 11側桿 111直桿部 112接合孔 12橫桿 121插接部 122平面部 13滾輪 131空間 2後靠架 21支柱 211直段 212橫段 213組接段 22後靠輪 3握把 31插接部
