4 minute cardio workout.

lilsassymom
lilsassymom Posts: 407 Member
edited October 2024 in Fitness and Exercise
Has anyone tried this?
http://www.thepostgame.com/blog/pulse/201112/unbelievable-4-minute-cardio-workout

Just wondering if it actually works and if anyone has worn a HRM while doing it? Just curious how many calories are burned in 4 minutes:huh: .
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