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Every runner eventually faces one key question: what is my foot strike pattern? Identifying the difference between pronation and supination is not only essential for choosing the right running shoes, but also for optimizing your running technique and protecting your joint health over the long term.
In this article, we analyse the biomechanics of the foot during ground contact and explain how to identify your running pattern.
Index
What Are the Different Types of Running Foot Strike?
The human foot naturally absorbs impact every time it contacts the ground. Depending on how the ankle and calcaneus distribute body weight, foot strike is generally classified into three types:
1. Pronated Foot Strike (Overpronation)
This is the most common running pattern (around 50–60% of runners). Upon landing, the ankle rotates excessively inward.
- Biomechanics: The arch collapses to absorb impact.
- Push-off: Force is generated mainly through the inside of the foot, placing greater load on the big toe.
- Consequences of excessive pronation: It may increase stress on the tibialis muscles, knees and hips if the stabilising muscles are not adequately strengthened.
2. Supinated Foot Strike (Underpronation)
This is the least common pattern (affecting only around 5–10% of runners). During supination, the foot lands on the outside of the heel, and the ankle does not rotate inward enough to provide adequate shock absorption.
- Biomechanics: The foot is relatively rigid and typically has a high arch. Most of the body weight is transferred through the outer edge of the foot.
- Push-off: Mainly through the smaller toes (fourth and fifth metatarsals).
- Consequences of excessive supination: Because the foot has less natural shock absorption, the risk of joint overload and bone stress injuries increases.
3. Neutral Foot Strike
Approximately 30–40% of runners have a neutral foot strike.
- Biomechanics: The foot lands on the outer part of the heel before pronating (rotating inward) slightly, while keeping the leg and ankle properly aligned.
- Push-off: Force is distributed evenly across the forefoot.
Pronation vs Supination
| Characteristic | Pronation | Supination |
|---|---|---|
| Ankle rotation | Inward | Outward (or minimal) |
| Typical arch type | Low or flat arch | High or rigid arch |
| Shoe wear pattern | Inner edge (heel/toe) | Outer lateral edge |
| Common overload area | Medial knee, posterior tibialis | Metatarsals, iliotibial band |
How to Identify Your Foot Strike at Home
The most reliable way to determine your running gait is through a biomechanical running analysis performed by a sports podiatrist or another qualified professional, as foot strike should be assessed while running rather than standing still.
However, you can get a general idea by using these two observations:
- Check your shoe wear: Examine the outsole of your most frequently used running shoes. Greater wear along the inner edge may indicate increased medial loading, whereas predominant wear on the outer edge may suggest greater lateral loading. Keep in mind that shoe wear alone cannot determine your foot strike pattern, as it is also influenced by running technique, pace, running surface, shoe model and mileage.
- The squat test in front of a mirror: Stand barefoot in front of a mirror with your feet hip-width apart and perform several slow squats. If you notice that your arch collapses significantly and your knees tend to move inward, you may have a greater tendency towards pronation. If your weight remains more on the outside of the feet and your arch changes very little throughout the movement, you may have a greater tendency towards supination. This test only provides a general indication, as running biomechanics may differ.
Important: None of these methods can accurately diagnose your foot strike pattern. If you experience recurring discomfort or want to choose the most appropriate running shoes, the best option is to undergo a biomechanical running assessment with a qualified professional.
Joint Care and Injury Prevention for Runners
Any misalignment in your foot strike means your joints absorb more mechanical stress (impact) than they should. Wearing footwear suited to your biomechanics is the first step, but runners should also prioritise strength training and proper recovery.
From a nutritional perspective, maintaining healthy connective tissues is essential for running performance and long-term joint health.
- Magnesium: Contributes to normal muscle function and the maintenance of normal bones, both of which are essential for maintaining a stable and efficient stride.
- Vitamin C: Contributes to normal collagen formation for the normal function of bones and cartilage, two of the structures most heavily stressed during running.
- Whey Protein: Essential, as protein contributes to the growth and maintenance of muscle mass, providing the “muscular corset” that helps protect your joints from the effects of poor running mechanics.
Understanding your biomechanics will help you train more intelligently. Assess your foot strike, refine your running technique, strengthen your lower body and make sure you properly support your muscles and joints with the right nutrition after every run.
References
- Brigaud, F. (2016). Running: Posture, Biomechanics and Performance. Paidotribo.
- Rojano Ortega, D. Y. et al. (2009). Analysis of Subtalar Pronation and Supination in Race Walking. Educación Física y Deportes, 51–58. ISSN 1577-4015.
- Subotnick, S. I. (1985). The biomechanics of running: Implications for the prevention of foot injuries. Sports Medicine, 2, 144–153.
Related Posts
- Tips for Choosing Running Shoes
- How to Improve Your Running Stride Technique
- Strength Training for Runners
- How to Start Running from Scratch
