The Ultimate Guide to the Single-Leg Hip Thrust: Form, Benefits, and Progressions

Leonardo Pereira
Jul 15, 2025
5 min read

Updated: Feb 27

Key Takeaways (Quick Summary):

Primary Muscle: Gluteus Maximus (with high core, gluteus medius, and hamstring engagement).
Main Benefit: Fixes strength imbalances between the left and right glute, preventing injuries.
Foot Placement Rule: A 90-degree knee angle targets the glutes. Too far away hits the hamstrings; too close hits the quads.
Best Beginner Modification: The "B-Stance" Hip Thrust helps you build balance before going fully single-leg.
Equipment Needed: A bench/box and bodyweight (progress with dumbbells or resistance bands).

In the pursuit of powerful glutes and a strong lower body, many lifters focus solely on bilateral exercises like squats and deadlifts. While these are foundational, they often mask a critical weakness: unilateral strength imbalances.

Your body is designed to move one leg at a time, whether you're walking, running, or jumping. If one glute is significantly weaker than the other, it can lead to performance plateaus, poor movement mechanics, and lower back pain.

Enter the Single-Leg Hip Thrust.

This exercise is a game-changer for anyone serious about maximizing glute development and enhancing athletic performance. It takes the already powerful hip thrust movement and elevates it by forcing each glute to work independently. In fact, EMG studies consistently show that unilateral hip thrusts elicit higher gluteus medius activation than bilateral thrusts due to the intense pelvic stability required.

Here is your complete, step-by-step guide to mastering the single-leg hip thrust.

Muscles Worked in the Single-Leg Hip Thrust

When you perform this movement, you are engaging a comprehensive network of lower-body muscles:

Gluteus Maximus: The primary driver. This exercise isolates your largest glute muscle, promoting muscle growth and a firmer appearance.
Gluteus Medius & Minimus: Because you are on one leg, these smaller side-glute muscles work overtime to stabilize your pelvis and keep your hips from dropping.
Hamstrings: They assist with hip extension and stabilize the knee joint.
Core & Erector Spinae: Your abdominals and lower back muscles engage intensely to maintain a straight spine and prevent rotation.

Execution: How to Perfect Your Form

The Single-Leg Hip Thrust is a precision-driven exercise. Follow these steps to ensure maximum glute engagement and zero lower back pain:

The Setup: Position your upper back (just below your shoulder blades) against an elevated surface like a bench or a plyo box.
The 90-Degree Rule: Plant your working foot flat on the ground. Pro Tip: When your hips are fully extended at the top, your knee should form a perfect 90-degree angle. If your foot is too far away, you will feel it in your hamstrings. If it's too close, you will feel it in your quads.
The Non-Working Leg: You can either extend your non-working leg straight out or bend the knee and pull it toward your chest (which helps keep a neutral spine).
The Thrust: Keep your chin tucked (look forward, not up at the ceiling) and your ribs down. Drive through the heel of your planted foot and powerfully extend your hips upward.
The Squeeze: Stop when your body forms a straight line from your shoulders to your knee. Squeeze your working glute hard at the top.
The Descent: Lower your hips back down with control, maintaining a slight hover above the ground before starting the next rep.

The Best Beginner Progression: The B-Stance Hip Thrust

Most people can perform a decent bilateral hip thrust, but ask them to do it on one leg, and suddenly they lose their balance. If you are struggling to keep your hips level, do not skip straight to the single-leg version. Start with the B-Stance Hip Thrust.

How to do it: Set up like a normal bilateral hip thrust, but slide one foot forward so that only the heel of that foot is touching the ground. This "kickstand" foot provides just enough balance and support so you don't fall over, but it forces the other planted foot to do 80% of the lifting. It is the perfect bridge between two-legged and one-legged thrusts.

How to Progress and Add Weight

Once bodyweight becomes easy (you can do 3 sets of 15 reps per leg with perfect form), it's time to apply progressive overload:

Adding External Weight: Place a dumbbell or a weight plate across the crease of your working hip. If you work out at home, investing in a set of Bowflex SelectTech Adjustable Dumbbells is the smartest move you can make. They allow you to easily increase the weight from 5 lbs up to 52.5 lbs without cluttering your living room.
Using Resistance Bands: Loop a high-quality Resistance Band around your knees. This forces your gluteus medius to work even harder to push your knees outward during the thrust.
Adding a Pause: Hold the top contraction for 3 full seconds on every single rep.

Frequently Asked Questions (FAQs)

Why do I feel the single-leg hip thrust in my lower back?

You are likely hyperextending your spine at the top of the movement instead of using your glutes. To fix this, keep your chin tucked (looking forward) and brace your core. Stop lifting your hips once they are in line with your torso.

How often should I do single-leg hip thrusts?

For most individuals, incorporating them 1 to 2 times per week as part of a lower-body or glute-focused workout is optimal. Aim for 3 to 4 sets of 8 to 15 repetitions per leg.

Can this exercise help with running or jumping?

Absolutely! Single-leg hip thrusts directly strengthen the glutes, which are the primary drivers of hip extension—the exact movement responsible for powerful sprinting, explosive jumping, and efficient changes of direction.

Do I need supplements to grow my glutes?

While food is your primary fuel, recovering from intense unilateral training requires adequate protein. Supplementing with a high-quality powder like Optimum Nutrition Gold Standard Whey ensures your muscles have the building blocks they need to repair and grow after a heavy hip thrust session.

Conclusion: Elevate Your Glute Game

The Single-Leg Hip Thrust is an indispensable exercise for anyone looking to build explosive power, correct muscular imbalances, and sculpt truly impressive glutes. Start with your bodyweight or the B-Stance variation, master the 90-degree foot placement, and gradually add resistance.

Want to make sure your form is 100% correct? Watch the video demonstration below before your next workout!