Want a strong core and six-pack Adding a twist can dramatically increase your muscle gains.

Roman twist for strong core - PICTURE - Women's Helath & Fitness

Roman twist

Sets/reps: 2 x 24

How to

1. Seated on exercise mat, gently lean back until the core is activated. ADVANCED OPTION: raise feet off the ground

2. Gently reach around from one side of the body to the other

3. Ensure core is engaged at all times to avoid overuse

Workout from Lila Hall, alignedtraining.com.au