Forget sit-ups — you only need 3 standing ab exercises, 15 minutes, and 1 kettlebell to build your core

These three standing ab exercises sculpt and torch your whole core using one kettlebell. Forget planks, sit-ups, or crunches — it’s just you standing up and one of the best kettlebells for weightlifting. If you sometimes prefer standing while tackling ab workouts, you’re in luck. Standing ab exercises are brilliant alternatives for training your core…