The stability ball bridge is an excellent exercise for strengthening the glutes, hamstrings, and lower back while also engaging the core. Here’s how to perform it:

1. **Setup**:
– Lie on your back on a mat with your arms by your sides for stability.
– Place your feet on top of a stability ball with your knees bent at a 90-degree angle.
– Your head, shoulders, and upper back should be resting comfortably on the mat.

2. **Execution**:
– Begin the movement by pressing through your feet and lifting your hips towards the ceiling.
– Squeeze your glutes and hamstrings as you raise your hips, forming a straight line from your shoulders to your knees.
– Focus on keeping your core engaged and avoiding any arching of the lower back.

3. **Return**:
– Slowly lower your hips back down to the starting position, maintaining control throughout the movement.
– Repeat the exercise for the desired number of repetitions.

4. **Breathing**:
– Exhale as you lift your hips towards the ceiling and inhale as you lower them back down.

This exercise is great for building strength in the posterior chain while also improving stability and balance. Make sure to use a stability ball that provides enough challenge without compromising your form.