Ab Boot Camp

This ab workout from Muscle Media looks down right brutal!

CIRCUIT PROGRAM
Lower Ab Crunch 15 reps—no rest
Leg Raise/Hip Up 15 reps—no rest
Side Crunch 15 reps (each side)—no rest
Knee Up 15 reps—no rest
Lying Crunch 15 reps—no rest
Back Hyperextension 15 reps—no rest

ACTIVE REST (two to three minutes)
Basic Ab Stretch
Side Bends
Stomach Vacuums

Repeat cycle three times with no additional rest between cycles