Craig performs Kim's initial weigh-in.

Shannon puts the pedal to the metal!

Joe's working up a sweat.

Craig cheers on Stacy.

Mandy is geared up and ready to go.

Joe stretched out and prepares for more punishment from Jackie.

Stacy takes a turn on the bike.

Jackie explains her workout plan.

Kim's getting her cardio.

Shannon can't believe how strenuous the workout is.

Jackie shows everyone what the proper position is.

Jeana works Real hard on her abs.

Craig keeps Joe stretching.