1. Secure the arm slings to a stable pull-up bar and insert each arm into the slings just above the elbow so that the straps support your weight.
2. Grip onto the handles attached to the slings if available or simply keep your arms stable within the slings.
3. Begin by hanging with your body in a straight vertical line, legs together and feet off the ground.
4. Engage your core and slowly raise your legs in front of you while keeping them straight until they are parallel with the ground.
5. Squeeze your core at the top of the movement and hold for a moment if the exercise includes an isometric component.
6. Lower your legs back down to the starting position in a controlled manner to complete one repetition.
7. Perform the desired number of repetitions or for a specific duration as per your fitness regimen.
Remember to keep your movements controlled to maximize engagement of your core muscles and avoid swinging your legs to reduce momentum and increase the efficiency of the exercise. Also, maintain a slight bend in your knees if you cannot keep your legs perfectly straight. This exercise is advanced and requires significant core strength and stability, so ensure you've built up adequate foundation before attempting this exercise.
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