Single Leg Squat to Bench

Definition

The single leg squat to bench (also known as a box pistol squat) is a unilateral lower-body exercise where you squat down on one leg until you sit lightly on a bench, then stand back up using that same leg. The bench provides a depth target and safety net, making this a more accessible progression toward the full pistol squat. For HYROX^® athletes, it builds the single-leg quad and glute strength needed for lunges, running, and sled push.

Technique & Form

1. Stand approximately 30 cm in front of a bench or box set at knee height, facing away. Shift your weight to your right foot and extend your left leg slightly forward.
2. Hinge at your right hip and push your hips back, lowering yourself on one leg toward the bench. Keep your right knee tracking over your toes.
3. Lightly touch the bench with your glutes - do not sit down and relax. Maintain tension in your right quad and glute.
4. Drive through your right heel to stand back up, fully extending the hip and knee at the top. Keep your torso as upright as possible.
5. Complete all reps on one leg before switching. Use arms extended forward for counterbalance.

Muscles Worked

• Primary: Quadriceps, gluteus maximus (working leg)
• Secondary: Hamstrings, adductors, hip flexors (non-working leg held up)
• Stabilizers: Gluteus medius, core musculature, ankle stabilizers

Common Mistakes

• Collapsing onto the bench: Plopping down removes the eccentric load. Touch the bench lightly and immediately reverse the movement.
• Knee caving inward: Valgus collapse indicates weak glute medius. Practice with a resistance band above the knees to cue external rotation.
• Leaning too far forward: Excessive forward lean shifts load to the lower back. Keep your chest tall and use arms for counterbalance.

Benefits

• Builds single-leg squat strength with a measurable depth target
• Develops quad endurance for HYROX^® lunge and running stations
• Improves balance and proprioception for single-leg stability
• Scalable progression: lower the bench height as strength improves

HYROX^® Context

Single-leg squat strength is the foundation for the Sandbag Lunges station, where athletes perform 200 m of walking lunges under load. Each lunge step is essentially a single-leg squat pattern. The single leg squat to bench also builds the quad endurance needed for the Sled Push station (driving through one leg at a time) and improves running economy by strengthening the muscles that absorb and redirect force during each stride. Program 3-4 sets of 8-12 reps per leg as a primary lower-body exercise.

Variations & Alternatives

• Sandbag Walking Lunge - the race-specific movement this exercise supports
• Sumo Squat - bilateral squat variation emphasizing adductors and glutes
• Wall Sit - isometric quad endurance for complementary training

FAQ

How do I progress from the bench to a full pistol squat? Gradually lower the bench height: start at knee level, then reduce by 5 cm every 2-3 weeks. Once you can squat to a 25 cm box, you are close to a full pistol squat.

Should I add weight to single leg squats? Yes, once you can perform 12 controlled bodyweight reps per leg. Hold a dumbbell or kettlebell at chest height (goblet position) starting at 8-12 kg.

Progress your single-leg strength for HYROX^® at ROXBASE - the training platform for hybrid race athletes.