By A Mystery Man Writer
Strengthen your core, hips, abs, and back in just 15 minutes with these workouts, done three or four times a week, from fitness and Pilates trainer Kit Rich.
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6 exercise circuit to work ALL of your ab muscles. Crunch and reverse crunch for the top layer, oblique crunches and Ru…
6 Core-Strengthening Exercises (No Crunches Included)