엠보드 줄없는 줄넘기랑 버피랑 병행중인데요.. 버피만 했다하면 토할것같고 힘이 쫙빠져서 줄없는 줄넘기할 엄두도 안나내요.. 1분에 10개 1분휴식 이렇게 1셋 씩 10세트 하는데 말이죠. 그만두고 싶어도 칼로리 소모량이 줄넘기에 비해 많다길래 그만둘수도 없고..ㅠ 어떻게 해야 할까요..?