British-born fitness cover model, Rob Riches, shows you how to tighten your abs through a few simple exercises.
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Rob Riches Ab Workout:
Hanging Leg Raises/or Lying Leg Raises 3×30
Seated Dumbbell Twists/ or Lying Side Bends 3×30/50
High Cable Pulldowns/ or Weighted Crunches 3×30
Rob Riches is a UK-born fitness cover model, athlete and competitor, making videos to help inspire, motivate and educate those looking to build a fitter, stronger & healthier body. He is a published author with a book about macro-nutrition (called Ultra Lean), and regular writes columns for Muscle & Fitness.