core
Side plank
Strengthen the obliques and lateral core.
▶ Watch the full demo in the app3-second preview. The full demo with coach cues is in the FirstGym app.
How to do it
- Lie on your side, forearm under your shoulder.
- Stack your feet.
- Lift your hips into a straight line.
- Hold, then switch sides.
Beginner tips
- Don't let your hips drop.
- Keep your neck neutral.
- Start with short holds per side.
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