Abstract: The present invention is a massage chair, having a main frame with specific curve, a chair back located by a chair seat with a rotation angle; wherein the main frame including back section, buttock section and leg section, the buttock section has an upward curve and the leg section has a downward curve, thus, massage provider can provide massage service to human thigh when the rotation angle is more than 110 degree; a seat supporter is restricted by a restriction supporter, then the rotation angle is smaller as a first rotation supporter rotates counter-clockwise and the main frame rotates clockwise, wherein the seat supporter is disposed within the chair seat, and the first rotation terminal is disposed under the main frame.

Abstract: The present invention is a massage chair, having main frame with specific curve, a chair back located by the chair seat, wherein the chair back is adjusted properly by the chair seat for rotating and having a rotation angle; wherein the main frame including back section, buttock section and leg section, the buttock section has an upward curve and the leg section has a downward curve, thus, massage provider can provide massage service to human thigh when the rotation angle is more than 110 degrees.

Abstract: The present invention is a massage chair, having frame body with specific curve, a chair back located by the chair seat, wherein the chair back is adjusted properly by the chair seat for rotating and having a rotation angle; wherein the frame body including back section, buttock section and leg section, the buttock section has a downward curve and the leg section has an upward curve, thus, massage module can provide massage service to human thigh when the rotation angle is more than 110 degrees.

Abstract: The present invention is a massage chair, having frame body with specific curve, a chair back located by the chair seat, wherein the chair back is adjusted properly by the chair seat for rotating and having a rotation angle; wherein the frame body including back section, buttock section and leg section, the buttock section has a downward curve and the leg section has an upward curve, thus, massage module can provide massage service to human thigh when the rotation angle is more than 110 degrees.

Abstract: The present invention is a massage chair, having main frame with specific curve, a chair back located by the chair seat, wherein the chair back is adjusted properly by the chair seat for rotating and having a rotation angle; wherein the main frame including back section, buttock section and leg section, the buttock section has an upward curve and the leg section has a downward curve, thus, massage provider can provide massage service to human thigh when the rotation angle is more than 110 degrees.