Matching Pairs GEL40Online version ......... by Tea Cher 1 Barbell 2 Treadmill 3 Hula hoop 4 Swiss ball 5 Dumbbell 6 Yoga mat A large, circular ring used for a rhythmic exercise activity. A motorized machine with a moving belt that allows you to walk, jog, or run in place. Also known as a fitness ball, exercise ball, or physio ball. A long bar with weights attached to each end, typically used for weightlifting exercises. A free weight consisting of a handle with a weight at each end. A thick, cushioned mat used for yoga practice and other floor exercises.