Planking:abriefhistoryTherulesaresimple:youmustliefaced...
問題詳情:Planking:abriefhistoryTherulesaresimple:youmustliefacedown,palms(手掌)flatagainstyoursides,withyourfeettogetherandpointingattheground.Pointsareawardedforanoriginallocationandforthenumberofonlo...