push-up stands; body-building apparatus; chest exercisers; chi swing machines being exercise machines for strengthening legs; sit up boards for fitness; fitness push up stands; abdominal wheel rollers for fitness purposes; elliptical machine for fitness; water resistance rowing machine for fitness purposes; stair-stepper machine for fitness; dumb-bells; exercise equipment, namely, chest expanders; exercise equipment, namely, chest pulls; hand grip strengthener rings; rotating push up stands; ...