- Start with a strong lower back position. That means contracting your abs so that you can drive your lower back into the ground. You can use a mat to reduce any additional stress. The goal is to eliminate any space between your back and any ground surface. Not even a pencil should fit between.
- Now, focusing on holding this position, extend one leg and the opposite arm. Extend only so far as you’re able to without losing that back-to-the-ground position. Don’t worry if you can’t go as far, the move will get easier the more you perform it. What’s important is that you fight to maintain the lower back position, as this will be the mechanism that really works your abs. This will also test your shoulder mobility. If you begin arching your back, you may be overextending your shoulders. Keep fighting to keep your lower back grounded.
- Trainer Saladino suggests doing 3 sets of 10 reps twice a week, as a warmup or as a punctuation to your workouts.
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