Use this dynamic plank workout for increasing upper and lower abdominal strength. The Rooboard adds a dynamic element by introducing instability. This forces you to engage the core which in turn increases the intensity and isolation of the core muscles.
There are four key exercises plus a static plank hold in-between each exercise.
Set your timer for 30 seconds work and 30 seconds rest and complete as many rounds as you can.
1. Walking plank
2. Static plank
3. Plank cross-step
4. Static plank
5. Fire hydrant
6. Static plank
7. Plank side step