1. Set up gymnastic rings or a similar apparatus at about waist height.
2. Stand alongside the rings and place one foot into both rings, stacking your feet.
3. Lean towards the rings, resting on the side of your bottom foot, and place your lower hand on the ground.
4. Push off with your lower arm to raise your hips, straightening your body into a straight line from head to feet.
5. Extend your upper arm directly above your body, reaching toward the ceiling or placing it on your hips for balance.
6. Engage your core muscles, especially your obliques, to maintain a stiff body position.
7. Hold this side bridge position for a predetermined amount of time, or if incorporating dynamic movement, lower your hips back towards the ground and then raise them again to count as one repetition.
8. Ensure you keep your body in a straight line and do not let your hips sag or rotate, maintaining tension in your core and glute muscles.
9. After completing the exercise on one side, switch and repeat with the other foot in the rings to exercise the opposite side's core muscles.
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