en_captions: There's a fitness expert dressed in a black shirt and a red hat demonstrating and talking about fitness training tips in a gym.  He is standing with several exercise balls behind him as he demonstrates how to use the jump rope.  He begins doing the jump rope  by jumping several times as he shows the correct technique of doing it.  Then he goes on to show some more jump ropes techniques while doing the jump rope himself.  After he stops, he continues talking and explaining the workout method.