Sandbag Single Leg Deadlift

Target muscles

The hamstrings and gluteus maximus of the standing leg control the hinge and drive the return to standing, while the gluteus medius and the small foot and ankle stabilisers work overtime to keep the pelvis level and the knee tracking on one leg. The lower back maintains a neutral spine, and the core resists the bag's tendency to pull you off balance. The awkward sandbag adds a grip and trunk-stability tax a barbell would not.

How to perform

Setup

Hold the sandbag in front of your thighs or hugged to your chest and shift your weight onto one leg, with a soft bend in that knee. Set the standing foot firmly, brace the core, and lift the free foot just off the floor to start.

Execution

Hinge at the hip of the standing leg, pushing the hips straight back as your torso lowers toward parallel and the free leg extends behind you as a counterweight. Keep the hips square — do not let the lifted hip rotate open — and maintain a flat back as the bag lowers toward the shin or floor. Feel the stretch in the standing hamstring, then drive the hip forward and squeeze the glute to return to a tall, balanced stance. Move slowly and deliberately; balance is half the exercise. Finish all reps on one leg before switching.

Common mistakes

• Letting the lifted-leg hip rotate open so the pelvis twists instead of staying square.
• Rounding the lower back to reach lower rather than hinging the hips back with a flat spine.
• Bending the standing knee like a squat instead of pushing the hips back into a hinge.
• Rushing the reps and bobbing through them, which sacrifices the balance and control the drill builds.

Progressions and regressions

Regress to a staggered-stance or kickstand deadlift with the rear toe lightly down for balance, or hold a support, until the single-leg balance is solid. Progress by adding filler, slowing the eccentric, or pausing at the bottom of the hinge. Holding the bag in one hand on the side opposite the standing leg adds an anti-rotation challenge.

Programming notes

Program it as a unilateral hinge and balance builder, 3 sets of 8-12 per leg, balanced left and right. It exposes and corrects side-to-side strength and stability differences, which makes it valuable accessory work after a bilateral hinge. Keep the load moderate so balance, not raw strength, stays the limiting factor, and place it where you are fresh enough to control the descent cleanly.