The kettlebell Cossack squat takes the bodyweight lateral squat and adds external loading through a tool that offers more loading position variety than any other implement. A barbell cannot be held in a racked position for a lateral squat. A dumbbell does not translate well to the overhead position during lateral movement. The kettlebell, with its offset centre of mass and the multiple grip positions its handle allows, is the natural implement for loading the Cossack squat beyond bodyweight.
Each kettlebell position changes the Cossack squat’s training stimulus in a specific way. Understanding which position produces which effect allows the exercise to be matched precisely to the training goal rather than selected by default.
How the Kettlebell Changes the Cossack Squat
As covered in the cossacks squat article on this site, the bodyweight Cossack squat simultaneously develops hip adductor flexibility, deep hip flexion strength, ankle dorsiflexion, and single-leg stability. Adding a kettlebell extends this stimulus in several directions:
Greater resistance: External loading increases the strength demand on the squatting leg’s quadriceps, glutes, and hip flexors beyond what bodyweight alone can provide.
Changed centre of mass: Different kettlebell positions shift the centre of mass in different directions, requiring different compensatory stability demands. A goblet position shifts mass forward, an overhead position shifts mass upward, a suitcase position shifts mass to one side.
Upper body integration: Overhead and racked positions add shoulder stability, core anti-lateral-flexion, and thoracic mobility demands that the bodyweight version does not include.
Progressive overload pathway: The kettlebell provides a clear progressive overload system (increasing the weight) that the bodyweight Cossack squat cannot offer beyond adding pauses and slowing the tempo.
The Four Kettlebell Cossack Squat Positions
Position 1: Goblet Cossack Squat
What it is: The kettlebell is held at the chest in both hands, with the handle pointing upward and the bell hanging downward. This is the goblet grip, the same position used in goblet squats.
What it produces:
The goblet position shifts the centre of mass slightly forward and toward the body’s midline, which counterintuitively makes the Cossack squat more accessible for many people. The forward mass assists with maintaining an upright torso in the deep lateral squat position, reduces the tendency to lean over the squatting leg, and provides counterbalance that makes the balance demands more manageable.
For this reason, the goblet Cossack squat is simultaneously:
- The most beginner-accessible loaded version
- A useful technique tool for people who struggle with torso uprightness in the bodyweight version
- The most practical loaded version for most training contexts
How to do it:
- Hold the kettlebell at the chest with both hands gripping the handle, the bell hanging below
- Stand in the wide stance starting position
- Shift weight to one side and lower into the lateral squat while holding the kettlebell at the chest
- The kettlebell’s forward weight assists with keeping the torso upright throughout
- Drive through the squatting heel to return
- Alternate sides
Loading recommendation: Begin with 8 to 12 kilograms and progress as strength and mobility allow. Most people find the goblet Cossack squat more accessible than the bodyweight version initially, so starting with a lighter weight than expected is appropriate.
Sets and reps: 3 sets of 6 to 8 per side
Position 2: Racked Cossack Squat
What it is: The kettlebell is held in the racked position on one side: the forearm is vertical with the wrist straight, the kettlebell rests on the outside of the forearm and the upper arm, and the elbow is close to the body.
What it produces:
The racked position is asymmetric, loading one side of the body differently from the other. This creates an anti-lateral-flexion core challenge because the loaded side must resist the tendency to collapse sideways under the weight. The racked position also requires significant shoulder and wrist stability to maintain the correct forearm position.
The racked Cossack squat has two meaningful variations:
Racked on the squatting side: The weight is on the same side as the squatting leg. This increases the load on the squatting leg and creates a challenge to the stance-side core to resist the weight pulling toward the squatting side.
Racked on the extended leg side: The weight is on the opposite side from the squatting leg. This creates a counterbalance that can assist with torso position in the deep squat, and the core must resist the weight pulling away from the squat direction.
Both variations have merit. Begin with the racked position on the squatting side to develop the most strength on the working leg, and add the opposite-side variation for the counterbalance challenge.
How to do it:
- Clean the kettlebell to the racked position on the chosen side
- Stand in the wide stance
- Squat toward the side of the racked kettlebell (or away from it, depending on the variation chosen)
- Maintain the racked position throughout the movement
- Return to the starting position and complete all reps before switching sides
Wrist position in the rack: The wrist must remain straight (neutral) throughout. A bent wrist in the racked position is a common error that creates wrist discomfort and reduces the stability of the position.
Sets and reps: 3 sets of 5 per side per racking option
Position 3: Overhead Cossack Squat
What it is: The kettlebell is pressed overhead to a locked-out position (arm fully extended, shoulder packed, wrist straight) and held there throughout the Cossack squat movement.
What it produces:
The overhead position is the most demanding and most technically complex kettlebell Cossack squat variation. It adds:
Shoulder stability demand: The locked-out overhead position requires the rotator cuff and shoulder stabilisers to work continuously to maintain the arm position, particularly as the body moves into the deep lateral squat.
Thoracic mobility and extension: Maintaining an upright torso with a weight overhead during the deep lateral squat requires significant thoracic extension mobility. This makes the overhead Cossack squat one of the most effective combined shoulder, thoracic, and lower body mobility exercises available.
Core anti-lateral-flexion: With weight overhead, any lateral trunk collapse is amplified into a significant instability. The core must work harder against lateral flexion than in any other Cossack squat variation.
Total body integration: Unlike the goblet or suitcase variations, the overhead version integrates the entire kinetic chain from the squatting foot to the overhead arm into a single demanding movement.
Prerequisites: Adequate shoulder mobility (full overhead range without lumbar compensation), solid overhead press technique, and a well-established bodyweight Cossack squat are all required before the overhead variation is appropriate.
How to do it:
- Press the kettlebell to the overhead position on one side, arm fully locked out
- Pack the shoulder (draw the shoulder blade down and back, away from the ear)
- Stand in the wide stance
- Lower into the lateral squat on either side while maintaining the overhead position
- The overhead arm should remain vertical throughout, not tilting sideways as the body lowers
- Return to the starting position and complete all reps before switching the overhead arm
The windmill relationship: The overhead Cossack squat is related to the kettlebell windmill, where a similar overhead position is held during a lateral hip hinge. Both exercises develop the same combination of shoulder stability, thoracic mobility, and lower body mobility, and they complement each other in a training programme.
Sets and reps: 3 sets of 4 to 5 per side (the technical demand limits the appropriate rep range)
Position 4: Suitcase Cossack Squat
What it is: The kettlebell is held at the side in one hand, hanging at the hip like a suitcase. This is the suitcase position, the same grip used in suitcase carries and suitcase deadlifts.
What it produces:
The suitcase position creates a pure anti-lateral-flexion core challenge. The weight on one side pulls the trunk laterally, and the core must resist this pull to maintain an upright torso. The suitcase Cossack squat has two meaningful variations depending on which side the kettlebell is held:
Suitcase on the squatting side: The weight is on the same side as the squatting leg, pulling the trunk toward the squat and increasing the core’s resistance demand. The squatting leg also carries more load because the weight is directly above it.
Suitcase on the extended leg side: The weight is on the opposite side from the squatting leg, providing a counterbalance that partially assists the movement while creating an opposite core anti-lateral-flexion demand.
How to do it:
- Hold the kettlebell in one hand at the side, hanging naturally
- Stand in the wide stance
- Perform the Cossack squat with the kettlebell hanging at the side throughout
- The arm remains straight throughout, the kettlebell hanging rather than being held actively at any particular height
- Complete all reps on one side before switching
Sets and reps: 3 sets of 6 to 8 per side
Choosing the Right Position for the Goal
For beginners to loaded Cossack squats: Goblet position. The forward mass assists with balance and uprightness, making the loaded version more accessible.
For maximum squatting leg strength development: Racked on the squatting side. The asymmetric loading on the working leg provides the greatest strength stimulus for that leg.
For total body mobility and integration: Overhead position. The combined shoulder, thoracic, and lower body demands make this the most complete version.
For core anti-lateral-flexion development: Suitcase position. The pure lateral loading challenge develops this core quality more specifically than the other positions.
For progressive overload as the primary goal: Goblet position. The bilateral grip allows the heaviest loading of any position because both hands control the weight, and it is the most straightforward to increase progressively.
Step-by-Step Technique: Goblet Position (Primary Variation)
The goblet variation is the most accessible and most commonly used starting point, so the detailed technique below focuses on this position. The technique for other positions follows the same lower body principles with the upper body modifications described in each position section above.
Setup
- Hold the kettlebell at the chest in both hands, handle pointing upward
- Stand with feet wider than shoulder-width, approximately 1.5 to 2 times shoulder-width
- Toes pointing forward or slightly outward
The Descent
- Shift the weight toward one leg
- Begin bending the squatting knee while the opposite leg extends
- The squatting knee tracks over the toes throughout
- The heel of the squatting foot remains flat throughout
- The kettlebell at the chest provides counterbalance, assisting with the upright torso position
- Lower to the deepest position where the heel remains flat and the spine remains neutral
- Pause briefly at the bottom
The Return
- Drive through the heel of the squatting foot
- Extend the hip and knee simultaneously to return to the starting position
- The extended leg draws back in as the weight returns to centre
- Pause briefly at centre before shifting to the opposite side
Common Errors in the Kettlebell Cossack Squat
Error 1: Using Too Heavy a Kettlebell
What it looks like: The heel rises, the lower back rounds, or the movement cannot be controlled throughout the range.
Fix: The kettlebell Cossack squat is not an exercise where maximum load is the goal. Even for strong athletes, a relatively modest kettlebell weight is appropriate because the primary training stimulus is the range of motion, not the absolute load. Begin lighter than expected and only increase when the full range can be achieved with complete control.
Error 2: Losing the Racked Position
What it looks like: The forearm tilts away from vertical, the wrist bends, or the elbow drops away from the body during the racked Cossack squat.
Fix: Consciously maintain the elbow close to the body and the forearm vertical throughout. If the racked position cannot be maintained, the kettlebell is too heavy or the shoulder and wrist stability is insufficient for this variation.
Error 3: The Overhead Arm Tilting Sideways
What it looks like: During the overhead Cossack squat, the overhead arm tilts toward the squatting side rather than remaining vertical.
Fix: Focus on keeping the arm vertical (pointed directly at the ceiling) regardless of the body’s lateral lean. The body should lean slightly, not the arm. If the arm consistently tilts, reduce the depth of the lateral squat until the arm stability can be maintained through the full range.
Error 4: Rushing the Movement
What it looks like: The lateral squat is performed quickly with momentum rather than controlled descent.
Fix: The kettlebell Cossack squat is most effective when performed slowly and deliberately. Count 3 to 4 seconds during the descent, pause briefly at the bottom, and control the return. This slow tempo maximises the mobility and strength stimulus and reduces the risk of losing control at the end range.
Programming the Kettlebell Cossack Squat
As a mobility-strength hybrid exercise:
2 to 3 times per week alongside the regular strength programme. The Cossack squat does not significantly fatigue the muscles in the way that squats and deadlifts do (due to the limited loading available), so it can be placed at any point in the session.
As a warm-up:
5 reps per side in the goblet position before lower body training or sport. The broad range of motion and the loading make this one of the most effective single-exercise warm-ups for the lower body.
Progressive loading scheme:
- Week 1 to 2: Goblet position, 8 kilograms, 3 x 6 per side
- Week 3 to 4: Goblet position, 12 kilograms, 3 x 6 per side
- Week 5 to 6: Goblet position, 16 kilograms, 3 x 6 per side or introduce racked position
- Week 7 to 8: Racked position or overhead position at appropriate weight
Pairing with complementary exercises:
The Cossack squat develops the frontal plane mobility that most training programmes lack. Pair it with sagittal plane hip hinge work (RDL, hip thrust) for comprehensive lower body development:
- Kettlebell Cossack squat: 3 x 6 per side (frontal plane, mobility-strength)
- Romanian deadlift: 3 x 8 (sagittal plane, posterior chain strength)
- Lateral band walk: 3 x 15 per direction (frontal plane, abductor endurance)
Frequently Asked Questions
How heavy should the kettlebell be for the Cossack squat?
Significantly lighter than most people initially try. The range of motion and control demands of the Cossack squat mean that even strong athletes typically use 12 to 24 kilograms rather than their heaviest training weights. Start with a weight that allows the full range to be achieved with perfect technique, and increase gradually as mobility and strength develop. The goblet position typically allows the heaviest loading of the four positions described.
Is the kettlebell Cossack squat better than the barbell version?
The kettlebell offers significantly more loading position variety than the barbell for this exercise. A barbell can be held in the back squat position for a lateral squat variation, but this limits the overhead and racked options that the kettlebell provides naturally. The kettlebell is therefore the preferred implement for the Cossack squat rather than a compromise.
Can I do the kettlebell Cossack squat if I cannot yet do the bodyweight version?
The goblet Cossack squat can actually be easier than the bodyweight version for some people because the forward mass of the goblet position assists with balance and torso uprightness. If the bodyweight version is very challenging due to balance rather than mobility limitations, trying the goblet version with a very light kettlebell (4 to 6 kilograms) is worth attempting. However, if the bodyweight version is limited by mobility (heel rising, inability to extend the leg), address those limitations with the progressions described in the cossacks squat article on this site before adding external load.
Which kettlebell position should I start with?
The goblet position is the recommended starting point for almost everyone. Its accessible balance demands, the torso-upright assistance of the forward mass, and the bilateral grip that allows heavier loading all make it the most practical entry point into kettlebell Cossack squats.