what to believe? HRM or eliptical
I was wondering...my eliptical calculates calories burned when I work out and i thought it was accurate b/c it senses my HR. Well I just got a polar f6 hrm for my birthday and decided to wear it and see if it correlated with the cals burned. It didn't my eliptical said i burned off 40 more cals than the f6, so what am i…