The goblet cossack squat is a wide-stance lateral squat performed with akettlebellheld at the chest, training the quads and glutes of one leg while the other straightens out to the side. Unlike a lunge, the feet never leave the floor: you shift sideways into a deep squat on one leg while the other stays long, so the working hip flexes deeper and the straight leg's adductors get a loaded stretch. The bell counterbalances the hips and lets you sit deeper upright. Lifters use it as a lower body accessory or a loaded mobility drill after squats.
What Muscles Does the Goblet Cossack Squat Work?
- Primary: Quadriceps of the bent leg
- Secondary: Gluteus maximus, gluteus medius, adductors of the straight leg
- Tertiary: Hamstrings, erector spinae, anterior deltoid, forearm flexors
How Do You Set Up for the Goblet Cossack Squat?
Hold a kettlebell by the horns against your chest, elbows tucked under the bell and forearms vertical. Stand with the feet about one and a half shoulder widths apart, toes pointing forward or slightly out. Brace the trunk, pull the shoulders down, and lift the chest so the bell sits just below the collarbones. Spread the weight evenly across both feet, knees soft, gaze straight ahead.
How Do You Perform the Goblet Cossack Squat?
- Shift your weight onto one leg and start bending that knee, keeping the other leg straight and its foot flat.
- Sit sideways and down over the bent leg, tracking the knee over the toes and letting the straight foot roll onto its heel with the toes lifting.
- Reach the bottom when the working hip is below the knee and the bell is still tight to the chest.
- Pause for one count, chest tall, straight leg fully extended.
- Drive through the whole foot of the bent leg to stand back up to the wide stance.
- Re-centre the weight over both feet, then shift to the other side for the next rep.
What Are the Key Form Cues?
- Chest to the bell, bell to the chest: keep the kettlebell glued to the sternum so the trunk stays upright as the hips sink.
- Heel down on the working side: the bent-leg heel stays planted through the bottom, so the quad and glute drive the ascent rather than the toes.
- Let the straight leg's toes rotate up to the ceiling as you descend.
- Push the working knee out over the pinky toe on the way down.
- Sit down slowly and stand up hard.
What Are the Most Common Mistakes?
- Grabbing a bell too heavy to sit deep: the descent stops halfway and the torso folds forward, so choose a load you can hold at the chest through a full-depth rep.
- Letting the working heel lift: the weight shifts to the toes and the knee drives forward under load, so widen the stance until the heel stays down.
- Bending the straight leg: the adductor stretch is lost and the rep becomes a shallow side lunge, so lock that knee and lift the toes.
- Rounding the upper back over the bell: the load pulls the trunk forward and the lower back takes the weight at the bottom, so keep the elbows tucked and the chest tall.
- Bouncing out of the bottom: the knee of the working leg collapses inward under the rebound, so pause for one count before standing.
What Are the Best Goblet Cossack Squat Variations?
- Bodyweight cossack squat: arms out front for balance, the regression for learning the shift and the depth.
- Goblet low switch cossack squat: shift from side to side while staying low, adding time under tension and adductor work.
- Barbell back rack cossack squat: the bar on the back raises the load and the balance demand.
- Heel-elevated goblet cossack squat: a plate under the working heel lets stiff ankles reach full depth.
- Dumbbell goblet cossack squat: one dumbbell held vertically by the head, the same pattern in a gym without kettlebells.
How Do You Progress the Goblet Cossack Squat?
- Move up one kettlebell size, about 4 kilograms, once every set reaches 10 clean reps per side at full depth.
- Work from 6 reps per side up to 10 before going heavier.
- Start at 2 sets per side and add a third once both sides reach the same depth.
- Add a 2-second pause at the bottom, or a 3-second descent, before you go up in load.
How Should You Program the Goblet Cossack Squat?
Program the goblet cossack squat as a lower body accessory after your main squat or deadlift, or as a loaded warm-up before them with a light bell, one to two times a week. Do 2 to 3 sets of 6 to 10 reps per side with 60 to 90 seconds of rest between sets. Pair it with a hip hinge such as a single leg Romanian deadlift so the hamstrings match the quad work.