Does sex count as part of your weekly aerobic work?

“Does sex count as cardio?” a client asked me recently. We both laughed and I said, “Well, I guess that would depend on how often you’re having it, how long those sessions are, and at what intensity you would estimate them to be. Using our ‘Scale of Perceived Exertion’”, I continued, (a system that was established to rate individual sets of strength training), “you would need to rate it at least a level six on a one to ten.”

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