Plank up-downs
Move between a forearm plank and a high plank one arm at a time to work your shoulders, arms and core together.
IntermediateNo equipmentLow impactSuggested: 10 reps
How to do it
- Start in a forearm plank with your elbows under your shoulders.
- Place one hand on the floor, then the other, and press up into a high plank.
- Lower back down onto one forearm, then the other.
- Lead with the other arm on the next rep.
Alternate sides with each rep.
Form tips
- Keep your hips steady and avoid rocking from side to side.
- Widen your feet for more stability.
- Drop to your knees to make it easier.
Muscles worked
TricepsShouldersAbsChest