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15 minutes to build mid-body muscle
7 Best Kettlebell Exercises for Abs and Kettlebell Core Workout
IKEA home gym collection blends in perfectly with the rest of your furniture
You don't need sit-ups — 3 ab exercises that build a stronger core using a Swiss ball
Forget sit-ups—try these six moves to strengthen your core instead
Forget the gym — you just need a kettlebell, 4 moves and 20 minutes to build muscle all over
I tried the 2-minute L-Sit exercise every day for one week — here are my results
IKEA home gym collection blends in perfectly with the rest of your furniture
Forget crunches — this kettlebell ab workout targets your core in 4 exercises
34 Core Exercises Top Trainers Swear By to Work Every Part of Their Abs