An elliptical exercise machine comprising: a first assembly comprising: a first frame member; a rear rotational mechanism associated with the first frame member; a first foot support pivotally coupled to a portion of the rotational mechanism a second foot support pivotally coupled to another portion of the rotational mechanism; a second assembly comprising: a second frame member; a first reciprocating arm pivotally coupled with the second frame member; a second reciprocating arm pivotally coupled with the second frame member; and a pivot structure coupled between the first frame member and the second frame member, wherein the second assembly is pivotally displaceable between an operating position and a storage position relative to the first assembly, wherein the first frame member, the rotational mechanism, the first foot support and the second foot support maintain their operational relationships with each other while in both the operating position and the storage position, wherein the second frame member, the first reciprocating arm and the second reciprocating arm maintain their operational relationships with each other while in both the operating position and the storage position, wherein the first foot support is pivotally coupled with the first reciprocating arm and the second foot support is pivotally coupled with the second reciprocating arm, wherein the pivotal coupling between the first foot support and the first reciprocating arm and the pivotal coupling between the second foot support and the second reciprocating arm remain in place during displacement of the second assembly between the operating and storage positions, characterized in that the axis of the pivotal coupling between the first foot support and the first reciprocating arm, the axis of the pivotal coupling between the second foot support and the second reciprocating arm and the axis of the pivot structure are substantially aligned when the second assembly is in the storage position. a first assembly comprising: a first frame member; a rear rotational mechanism associated with the first frame member; a first foot support pivotally coupled to a portion of the rotational mechanism a second foot support pivotally coupled to another portion of the rotational mechanism; a first frame member; a rear rotational mechanism associated with the first frame member; a first foot support pivotally coupled to a portion of the rotational mechanism a second foot support pivotally coupled to another portion of the rotational mechanism; a second assembly comprising: a second frame member; a first reciprocating arm pivotally coupled with the second frame member; a second reciprocating arm pivotally coupled with the second frame member; and a pivot structure coupled between the first frame member and the second frame member, a second frame member; a first reciprocating arm pivotally coupled with the second frame member; a second reciprocating arm pivotally coupled with the second frame member; and a pivot structure coupled between the first frame member and the second frame member, wherein the second assembly is pivotally displaceable between an operating position and a storage position relative to the first assembly, wherein the first frame member, the rotational mechanism, the first foot support and the second foot support maintain their operational relationships with each other while in both the operating position and the storage position, wherein the second frame member, the first reciprocating arm and the second reciprocating arm maintain their operational relationships with each other while in both the operating position and the storage position, wherein the first foot support is pivotally coupled with the first reciprocating arm and the second foot support is pivotally coupled with the second reciprocating arm, wherein the pivotal coupling between the first foot support and the first reciprocating arm and the pivotal coupling between the second foot support and the second reciprocating arm remain in place during displacement of the second assembly between the operating and storage positions, characterized in that the axis of the pivotal coupling between the first foot support and the first reciprocating arm, the axis of the pivotal coupling between the second foot support and the second reciprocating arm and the axis of the pivot structure are substantially aligned when the second assembly is in the storage position.