Multi-function collapsible exercise apparatus

A rear support member for a user to exercise utilizing a support structure, the rear support member comprising:

• a frame defining an internal volume between a plurality of frame members;
• a front cover and a rear cover both adapted for fixing with the frame with a plurality of mechanical fasteners that are fixed through the frame members, wherein the front cover and the rear cover, when fixed with the frame, completely encloses the internal volume;
• two or more support bar mounts fixable to the rear cover and having apertures therein for rotationally connecting with one or more support bars attached with the support structure, the one or more support bars spanning from one side to the other side of the frame, extending beyond each of the two or more support bar mounts at opposing sides of the structure to engage with the support structure;
• and
• wall mounting brackets, wherein the one or more support bars terminate at the wall mounting brackets, whereby the rear support member is configured to be fixed between two vertical walls as the support structure and one of the one or more support bars are operable to be pivotably disposed in the wall mounting brackets;
• whereby exercise items are stored within the internal volume of the rear support member, and whereby the rear support member is configured to be fixed with the support structure through the support bars to provide a rotatable support surface for the user to perform exercises.