I have been using a heart rate monitor for about 2 years now. A friend just lent me a body bugg to try. I wore them both a few times while I was exercising and the calories burned is VERY different, like the HRM says I burned 750 calories and the body bugg say I burned only 400 calories. Does anyone know which is more…
I have been doing P90X for 8 weeks now and I love it!! However, when I started doing it I developed a little bit of knee pain. So I began modifying all of my moves and working with a rehab trainer to make it better and keep it from getting worse. Now I have fluid on my knee :( and my trainer told me I can't do ANY Plyo or…