Master single-leg strength and balance.
SportsReflector AI analyzes key body landmarks during your Pistol Squat, including hip, knee, and ankle joints. We track metrics such as squat depth (femur parallel to the ground or below), knee valgus/varus, torso angle, and the stability of the non-working leg. Our computer vision ensures proper alignment and full range of motion for optimal performance and injury prevention.
Primary Muscles
Quadriceps
Equipment
None
AI Score Categories
6 metrics tracked
SportsReflector tracks 6 key metrics to generate your 0โ100 form score.
AI Form Score
Every Pistol Squat session gets an overall form score plus category-level scoring for each metric above.
These are the most common Pistol Squat form errors โ and the ones most likely to cause injury or limit your progress.
Failing to reach parallel or below with the working leg's thigh significantly reduces the muscular activation of the glutes and hamstrings, limiting the exercise's effectiveness for strength and mobility development. This often occurs due to hip mobility restrictions or insufficient quadriceps strength.
Fix: Focus on achieving a squat depth where the hip crease is below the top of the knee. Practice with a box or elevated surface to gradually increase depth, ensuring the heel of the working foot remains grounded.
Excessive wobbling or falling during the movement indicates poor core stability and underdeveloped proprioception. This can lead to compensatory movements, placing undue stress on joints like the knee and ankle, and increasing the risk of sprains or strains.
Fix: Engage your core throughout the movement by bracing your abs. Practice balance drills on one leg and perform assisted pistol squats (holding onto a stable object) to build foundational stability before attempting unassisted reps.
When the knee of the working leg collapses inward during the descent or ascent, it places excessive shear stress on the medial collateral ligament (MCL) and patellofemoral joint. This is often due to weak glute medius muscles or tight adductors, increasing the risk of knee pain and injury.
Fix: Actively push your knee outward, tracking it over your second and third toes. Incorporate glute activation exercises like clam shells and band walks into your warm-up to strengthen the hip abductors.
Allowing the lower back to round (lumbar flexion) during the squat places compressive forces on the spinal discs, increasing the risk of disc herniation or lower back pain. This often occurs when trying to compensate for limited ankle or hip mobility to maintain balance.
Fix: Maintain a neutral spine throughout the movement by keeping your chest up and engaging your core. Improve ankle dorsiflexion and hip flexion mobility through targeted stretches and foam rolling to allow for a deeper squat with proper spinal alignment.
Record your Pistol Squat on your iPhone and get an instant 0โ100 AI form score with specific corrections for every mistake above.
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