A lady was doing exercise by lying with her belly on the ball and hands on her head
A woman in a white sports bra does reverse sit ups
A woman counts repetitions while doing an exercise and talks about where she feels it.
A woman is doing some exercises on a gym ball as she talks.
A woman is doing crunch exercises on an exercise ball.
A woman lies on a ball with her feet on the wall doing abs exercises
A lady with white top and black bottom is doing front push ups using a ball underwear chest
A woman is laying on the floor with a ball under her chest and doing an exercise motion repeatedly.
A woman does back stretches using a yoga ball while anchoring her feet against the wall.
A woman demonstrates a lower back exercise on the floor using a pillow and the wall for assistance.