Ankle dorsiflexion work
Restore the ankle bend that governs squat depth, gait mechanics, and knee tracking.
Key takeaways
- What it is: Restore the ankle bend that governs squat depth, gait mechanics, and knee tracking.
- Why it works: Ankle dorsiflexion — how far the shin travels over the foot — is often the primary structural limiter in squatting and lunging. When insufficient, the heel rises or the knee caves as compensations, loading the knee and hip in unfavorable positions. Increasing dorsiflexion range removes the bottleneck, improving mechanics throughout the chain.
- Evidence: Backed by observational / correlational evidence.
- Avoid: Only stretching the calf statically and ignoring the anterior ankle capsule restriction, which is often the true structural limiter — and does not respond to calf stretching.
Why it works
Ankle dorsiflexion — how far the shin travels over the foot — is often the primary structural limiter in squatting and lunging. When insufficient, the heel rises or the knee caves as compensations, loading the knee and hip in unfavorable positions. Increasing dorsiflexion range removes the bottleneck, improving mechanics throughout the chain.
How to do it
- 1Stand facing a wall with one foot close to the base. Drive the knee forward over the little toe without lifting the heel.
- 2Find the exact distance from the wall where the heel just begins to rise — that is your current range.
- 3Do 10 slow repetitions touching the wall, working for small range improvements over weeks.
- 4Add a calf stretch and tibialis raises to address both the posterior and anterior chain.
What the evidence says
ObservationalLimited dorsiflexion is consistently identified as a risk factor for knee injury and a limiter of squat mechanics in sports science and physical therapy research.
Honest caveat: Most evidence is observational or cross-sectional; interventional trials showing that increasing dorsiflexion reduces injury are less numerous.
- — Backman & Danielson (2011), low ankle dorsiflexion and sports injury risk, British Journal of Sports Medicine
Common mistake
Only stretching the calf statically and ignoring the anterior ankle capsule restriction, which is often the true structural limiter — and does not respond to calf stretching.
IX Coach assesses your squat pattern and, if ankle range is flagged as the limiter, programs the ankle mobilization before lower-body sessions rather than after.
Practice this with IX Coach →