1. Setup: Lie flat on your back on a mat, with your arms by your sides and legs extended.
2. Grip: Place your hands under your lower back for support if needed.
3. Starting Position: Engage your core and lift your legs so that your knees are bent at a 90-degree angle.
4. Execution: Curl your hips off the mat, bringing your knees towards your chest.
5. Return: Slowly lower your hips back to the starting position. Repeat for the desired number of reps.