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Reps: As many as possible in 30 seconds on each side
Begin in an elbow plank with left leg extended behind hip and abs engaged. Shift weight onto right arm and slowly rotate torso to the left (keeping left leg lifted), turning into a side plank position. Hold for 1 count then rotate back to elbow plank without lowering left leg. Do as many reps as possible for 30 seconds, and then repeat on opposite side for 30 seconds .
Score a stronger, tighter core despite your crazy-busy schedule
woman in bikini measuring waist