Funny you should ask Barb, I actually listed my Polar F11 stats for the Circuit Burn full premix and Cathe's Cardio Blast on another thread:
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KCM Circuit Burn - Combined workouts (59 min) premix
(used 10 lb. and 7 lb. dumbbells - followed KCM, no modifications)
Time: 58:32
Calories burned: 616
% burned from fat: 40%
Maximum heartrate: 169 bpm
Average heartrate: 143 bpm
Time in Hard zone: 41:02
Time in Moderate zone: 11:40
Time in Light zone: 4:59
(Calorie burn per minute - 10.53...my own calculation)
Cathe Circuit Blast
(used step w/4 risers on each side - 15 lb. and 10 lb. dumbbells - 6 lb. med ball - green dynaband)
Time: 45:01
Calories burned: 471
% burned from fat: 40%
Maximum heartrate: 172 bpm
Average heartrate: 143 bpm
Time in Hard zone: 29:28
Time in Moderate zone: 9:34
Time in Light zone: 5:25
(Calorie burn per minute - 10.47...my own calculation)
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And here's the Peak 10 Cardio Strength again:
My Polar F11 heartrate monitor stats:
Calories burned: 689
Percentage fat: 35%
Max heartrate: 183 bpm
Avg heartrate: 149 bpm
Time in Hard Zone: 45 minutes
Peak 10 Cardio Strength is definitely the toughest but I think that's mainly because it's non-stop (and Cardio Blast is shorter). My maximum heartrate was definitely higher with this one too...I think it's because I knew I only had 30 seconds to reallly push it!
Kathy