A man wearing a black shirt holds an exercise ball over another man wearing a light blue shirt performs sit-ups on an inclined bench.
A man wearing a black shirt holds an exercise ball over another man wearing a light blue shirt performs sit-ups on an inclined bench. the man wearing the black shirt
performs sit ups on a flat bench while the other man performs sit-ups. drops the ball on the floor and crouches down and high fives the man performing the sit-ups. picks up the exercise ball. does sit-ups on the padded stool.