Bex said: So TO CLARIFY: You sprint (riding the bike really fast) for 8 SECONDS Then ride at normal pace for 12 SECONDS Am I...

Allie said: I had to write in because I've been made a believer in this method of mixing cardio and weights....

Scott said: My resting rate at night is 44. I do 4 hour hardcore endurance bike races on Saturdays up 4,000...

Angie said: Picture to Burn and Should've said no by Taylor Swift also get me fired up apple bottom jeams by t pain cyclone...

lexi said: I LOVE When I grow up - PCD and Just Dance - Lady Gaga...

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