To reduce bedsores and snoring in particular.

This back fixture 10 includes a cushion attaching member and shoulder strap members 40. The cushion attaching member allows a cushion 20 to be attached thereto. The cushion 20 is located at the back of the body 30 of a user and is located between the back and a floor face 50 to keep the body 30 in a laterally oriented posture when the user in a lying posture on the floor face 50 leans against the cushion 20. The shoulder strap members 40 are connected to the cushion attaching member and adapted for allowing the user to carry on his back the cushion 20 attached to the cushion attaching member.