step

Physical exercise, as a kind of action, includes several stages, namely prerapture stage, rapture stage, preparation stage, action stage and sustentation of achievement stage.

体育锻炼作为一种行为活动,它包括几个不同的阶段,即前凝神阶段、凝神阶段、准备阶段、行动阶段和维持获得阶段。