Desperately need input, please!!!
Hi all...I've been on mfp since last year, but just got serious in April. I started powerwalking (I'm now walking over 5 mph for an hour 5 days a week, plus strength training 3 days.) The walking is brutal--my heart rate is around 180 when I finish. I don't have a hrm, but mfp says I'm burning over 500 cals. I just also…