Exercise library / Core

How to do a side plank

A plank on its side that targets the muscles down your flank. Start on your knees if the full version's a lot — that's the smart version, not the lesser one.

How to do it

1. 1Stack your elbow directly under your shoulder
2. 2Lift your hips into a straight line
3. 3Squeeze everything and hold
4. 4Keep your neck long and relaxed

Muscles worked

An easier way in

The side plank with your knees down. Same shape through your middle, steadier base. Work with this version for as long as you like — when the full one feels within reach, give it a go.

Try these next

CoreBeginner

Forearm plank

The plank is the most honest core exercise there is — hold still, brace hard, and let your whole midsection do…

How to do it →

CoreBeginner

Russian twist

A seated twist that works the sides of your core. Start with no weight — the movement is plenty on its own.

How to do it →

CoreBeginner

Bicycle crunch

A rotating crunch that works the front and sides of your core at once. Slow and controlled beats fast and slop…

How to do it →