This classic oblique move works all four layers of the abdominal muscles. Go slow with these to maintain form and really feel the burn in your sides.
- Sit on the ground and lean slightly back without rounding your spine at all. It is really important, and difficult, to keep your back straight, but don't let it curve.
- Pull your navel to your spine and twist to the left. Inhale through centre and rotate to the right.
Image Source: POPSUGAR Photography / Kyle Hartman