US Patent 8343021 Exercise apparatus

A pair of identical pushup exercise devices that replaceably engage on a same pair of adjacent cove molds of a staircase simultaneously, and are separate and spaced-apart from each other so as to accommodate users of different upper body structures. The pair of identical pushup exercise devices are identical to each other, are separate from each other, and are spaced-apart from each other for accommodating the users of different upper body structures. Each identical pushup exercise device includes a rod. The rod of each identical pushup exercise device replaceably engages on the same pair of adjacent cove molds of the staircase simultaneously, and is gripped by the users of different upper body structures to perform a pushup exercise.