Side plank + reach under (left)

How to do it

1. Set upSide plank with your top arm reaching to the ceiling.
2. MoveRotate your chest toward the floor and thread your top arm under your body, then open back up and reach high.
3. Watch forDropping your hips when you rotate. Keep them lifted.

Easier or harder

Easier

Do it with the bottom knee down.

Harder

Side plank + row (left): add a row on the way up.

What it works

Muscles

Core

Position

On your side

Intensity

Moderate Medium

Impact

No jumping

Swap it for

• High plank arm raises
• Bicycle abs
• Slow paused bicycle crunches
• Sit-up + punches
• Regular ol situps
• Starfish crunches