I'm not sure whether this is weight loss of fitness, but here goes. I've been doing an hour of Zumba pretty regularly while wearing a HRM. At first my calorie burn matched what Zumba and MFP said, but now MFP is easily 100 calories over. I'm going in and changing it to what my HRM says, but I'm bummed out because an hour…
I'm a 45 y/o woman trying to lose weight and improve my fitness levels, so I'm exercising 60+ minutes a day daily, wearing a heart monitor. It's all cardio, mostly dvds. With the dvds I'm using, my heart is above the 85% threshold at least half of the time, sometimes hitting 100% and over (but that's only for a few…