Lifting aid and rigid back element

A lifting aid for supporting trunk muscles of a person on which the aid is arranged, comprising:

• an upper connection and a lower body connection,
• a fixed back system with right and left hip elements hinged thereto,
• at least one mechanical energy storage device for tensioning energy having at least one adjustable lower energy storage device with spring elements which are attached at one end to the lower body connection,
• at least one force transmission element/tensioning device which is attached to the lower energy storage device and connects it to the fixed back system, and
• freewheel devices with freewheeling and adjustment functions in the hip elements,
• wherein, when the fixed back system is fixed to a person's back, tensile forces of the energy storage devices are transmitted to an area of the person's back,
• further comprising an upper energy storage device which is adjustable independently of the lower energy storage device and which is connected to the lower body connection and activated via a second tension element and uses an upper freewheel roller.