concepts: ball exercise gym rope sit
target: The ladies use the yoga ball and rope for sitting exercises during the gym fitness class.
references: The ladies use the yoga ball and rope for sitting exercises during the gym fitness class. No one wanted to sit on the exercise ball that was dangling from the rope at the gym. The girl sits on the ball and grabs the rope to exercise at the gym. A man in a gym, sitting on a ball, exercising with a rope.