An exercise apparatus comprising: a frame having a base portion of adapted to be supported by a floor; a crank system having at least one crank pivotable about an axis; a right linkage assembly comprising a right foot support and pivotally supported by the frame; a left linkage assembly comprising a left foot support and pivotally supported by the frame; first and second coupling systems each comprising a flexible element, wherein the first coupling system couples the at least one crank to the right foot support and the second coupling system couples the at least one crank to the left foot support; and wherein the at least one crank consists of a single crank and wherein the flexible element of each of the first and second coupling systems is coupled to the single crank, said single crank comprising a crank arm; and first and second flexible element crank guides carried by the crank arm, wherein the flexible element of the first coupling system partially wraps about the first flexible element crank guide, wherein the flexible element of the second coupling system partially wraps about the second flexible element crank guide, wherein the first coupling system comprises: a first guide element; a second guide element; and a first flexible element end mount, wherein the flexible element of the first coupling system has a first end attached to the left foot support and a second end attached to the first flexible element end mount, the flexible element of the first coupling system being wrapped about the first guide element, the second guide element and the first flexible element crank guide, the exercise apparatus further comprising: a step height adjustment mechanism configured to allow a person to adjust a step height of a path through which the left and right foot supports move, characterized in that the first flexible end mount is movably supported between a plurality of different positions relative to the frame to vary a wrap extent of the flexible element of the first coupling system about the first flexible element crank guide. a frame having a base portion of adapted to be supported by a floor; a crank system having at least one crank pivotable about an axis; a right linkage assembly comprising a right foot support and pivotally supported by the frame; a left linkage assembly comprising a left foot support and pivotally supported by the frame; first and second coupling systems each comprising a flexible element, wherein the first coupling system couples the at least one crank to the right foot support and the second coupling system couples the at least one crank to the left foot support; and a first guide element; a second guide element; and a first flexible element end mount, wherein the flexible element of the first coupling system has a first end attached to the left foot support and a second end attached to the first flexible element end mount, the flexible element of the first coupling system being wrapped about the first guide element, the second guide element and the first flexible element crank guide, the exercise apparatus further comprising: a step height adjustment mechanism configured to allow a person to adjust a step height of a path through which the left and right foot supports move, characterized in that the first flexible end mount is movably supported between a plurality of different positions relative to the frame to vary a wrap extent of the flexible element of the first coupling system about the first flexible element crank guide. a step height adjustment mechanism configured to allow a person to adjust a step height of a path through which the left and right foot supports move, characterized in that the first flexible end mount is movably supported between a plurality of different positions relative to the frame to vary a wrap extent of the flexible element of the first coupling system about the first flexible element crank guide.