Forget ab wheel rollouts, try this Pilates exercise to strengthen your abs, obliques and shoulders

The ab rollout Pilates exercise can be done without a wheel and still builds strong and stable core and shoulder muscles.
The Northwest Arkansas Democrat-Gazette

MASTER CLASS: Embrace the ‘burn’ with isometric exercises

Isometric training is a fantastic way to build muscular endurance with virtually no risk for injury. For those with joint ...