You are certainly correct about one thing: &quot;not all exercise is created equal&quot;.<p>In fact, the muscle-building type of exercise (lifting) is hilariously bad at burning any kind of energy. Here is a rough estimate:<p><a href="http:&#x2F;&#x2F;www.wolframalpha.com&#x2F;input&#x2F;?i=(30*500)kg+.5+meter+against+gravity" rel="nofollow">http:&#x2F;&#x2F;www.wolframalpha.com&#x2F;input&#x2F;?i=(30*500)kg+.5+meter+aga...</a>