The single leg dumbbell split squat is a stationary staggered-stance squat performed with one dumbbell held at the chest, loading the front-leg quadriceps and glute. The load position is what separates it from its neighbours: a chest-height dumbbell sits in front of the spine, so the trunk works to stay upright and depth is limited by bracing rather than grip, unlike thedumbbell suitcase split squat, where the weights hang at the sides. Feet stay planted all set. Lifters run it as the second leg movement after a bilateral squat.
What Muscles Does the Single Leg Dumbbell Split Squat Work?
- Primary: Quadriceps (front leg), gluteus maximus (front leg)
- Secondary: Hamstrings, adductor magnus (inner thigh), gastrocnemius
- Tertiary: Gluteus medius, rectus abdominis, erector spinae, upper trapezius
How Do You Set Up for the Single Leg Dumbbell Split Squat?
Hold one dumbbell vertically against your sternum, cupping the top head with both hands and keeping the elbows tucked under it. Step one foot back about the length of your own leg and rest on the ball of that foot with the heel up. Keep both feet pointing forward, hip-width apart. Square the hips, pull the ribs down and set the front foot flat with the weight through the heel.
How Do You Perform the Single Leg Dumbbell Split Squat?
- Load the front leg so roughly two-thirds of your weight sits on that flat foot.
- Lower straight down by bending both knees, dropping the rear knee toward the floor.
- Stop when the rear knee is an inch off the floor and the front thigh is near parallel, torso upright.
- Pause one count at the bottom with the dumbbell still tight to your chest.
- Drive up through the front heel, extending the front hip and knee together.
- Finish tall with the hips square and the feet unmoved, ready for the next rep; change legs after the set.
What Are the Key Form Cues?
- Elbows in, dumbbell on the sternum: keep it pinned high and close so the weight stays over your mid foot.
- Elevator, not escalator: send the hips straight down between the feet rather than sliding forward over the front knee.
- Keep the front heel flat from the top of the rep to the bottom and drive from it on the way up.
- Point the rear knee at the floor, not out to the side, so the pelvis stays square.
- Stiffen the trunk at the top of each rep; the dumbbell only stays quiet if you brace first.
What Are the Most Common Mistakes?
- Picking a dumbbell the trunk cannot hold: the chest folds forward, the front knee takes the load and the glute stops working, so drop a size.
- Letting the front heel lift: rising onto the ball of the foot pushes the knee past the toes and drops the hips out of position.
- Shortening the stance: a stride that is too close jams the hip and stops the rear knee reaching the floor.
- Bouncing off the bottom: using the rear knee as a spring skips the hardest part of the drive.
- Turning the back foot out: an angled rear foot rotates the pelvis and unloads the front glute.
What Are the Best Single Leg Dumbbell Split Squat Variations?
- Bodyweight split squat: no load while you learn the stance and knee path.
- Rear-foot-elevated split squat: the back foot on a bench for a longer range and a harder front leg.
- Front-foot-elevated split squat: a plate under the front foot to reach more knee flexion.
- Dumbbell suitcase split squat: weights at the sides so you can go heavier.
- Kettlebell goblet split squat: a bell at the chest that sits closer to the throat and shifts the balance point.
How Do You Progress the Single Leg Dumbbell Split Squat?
- Move up one dumbbell size once every set hits the top of the rep range with an upright chest.
- Build from 8 up to 12 reps a leg before adding weight.
- Add a set to a maximum of four, keeping the load the same.
- Take three seconds down and hold the bottom for a count when load cannot move.
How Should You Program the Single Leg Dumbbell Split Squat?
Run the single leg dumbbell split squat as the second lower body movement, after a barbell squat or a leg press, once or twice a week. Three or four sets of 8 to 12 reps a leg with 60 to 90 seconds of rest between legs works well. Start the weaker leg first and match its reps on the other side. Pair it with a hamstring hinge to balance the session.