Stationary exercise bicycles; body-building apparatus; body-training apparatus; chest expanders; rollers for stationary exercise bicycles; chest exercisers; gymnastic apparatus; exercise steppers; exercise treadmills; elliptical exercise machines; dumbbells; aerobic steps; push up stands; sit up benches; push-up handles; squat racks; rotating push-up handles; aerobic step machines; exercise balls; waist trimmer exercise belts; abdominal wheel rollers for fitness purposes