What Muscles Do Hip Thrusts Work?

The hip thrust is a powerful resistance exercise that targets the muscles of the posterior chain. This movement involves bracing the upper back against an elevated surface, such as a bench, and driving the hips upward against resistance. This horizontal hip extension movement differentiates its muscle recruitment patterns from traditional vertical lifts. Its growing popularity stems from its effectiveness.

Primary Muscles Targeted

The primary driver of the hip thrust movement is the gluteal muscle complex, which includes the Gluteus Maximus and the Gluteus Medius. The Gluteus Maximus is the largest and most powerful muscle in the human body and is the main muscle responsible for hip extension. The hip thrust is particularly effective for activating this muscle because the resistance is loaded horizontally across the hips.

This horizontal loading allows the Gluteus Maximus to maintain maximum tension throughout the entire range of motion, especially at the point of peak contraction at the top of the movement. Research confirms that the hip thrust elicits greater activation of the Gluteus Maximus compared to traditional exercises like the back squat or the deadlift, particularly at the end range of hip extension. This unique biomechanical advantage is due to the force vector, which places the greatest demand on the glutes when they are in their shortest, most contracted position.

The Gluteus Medius, which sits on the side of the hip, also plays a substantial role as a primary mover, contributing to hip stability and assisting the Gluteus Maximus in the upward thrust. This concentrated muscle recruitment translates directly to improved power for activities like sprinting, jumping, and changing direction.

Secondary and Stabilizing Muscles

While the glutes are the main focus, several other muscle groups contribute to the execution and stability of the hip thrust. The hamstrings act as secondary movers, assisting in the hip extension that drives the weight upward. However, their role is supportive rather than dominant, ensuring the primary focus remains on the glutes.

The adductor muscles also engage significantly during the movement. These muscles work to stabilize the legs and hips, preventing the knees from collapsing inward under the load.

The core musculature, including the rectus abdominis and the spinal erectors, is recruited to maintain a rigid, neutral spinal position throughout the lift. The core’s job is to prevent the lower back from arching excessively, which would shift the tension away from the glutes and into the lumbar spine. By bracing the core, the lifter ensures that the force generated is effectively channeled through the hips.

Essential Technique for Activation

Maximizing the effectiveness of the hip thrust requires precise execution. The setup begins by positioning the upper back against a bench, with the point of contact typically resting just below the shoulder blades. The feet should be planted firmly on the floor, with the toes pointed slightly outward.

Proper foot placement is determined by ensuring that the shins are vertical, or perpendicular to the floor, when the hips are fully extended at the top of the movement. If the feet are too far forward, the hamstrings will take over; if they are too close, the quadriceps will become the dominant muscle group.

As the movement begins, the lifter must brace the core tightly, maintaining a neutral spine and keeping the chin slightly tucked toward the chest. The upward drive should come from pushing through the heels, focusing on hip extension rather than simply pressing the feet into the floor.

The goal is to achieve full hip extension, forming a straight line from the shoulders to the knees at the peak of the movement, but it is important to avoid pushing past this point into lower back hyperextension. The hips should then be lowered slowly and with control, resisting the weight back down to the starting position to maintain tension on the target muscles.