These Biomechanical Factors May Predict Achilles Tendon Injuries in Runners - Summary - MDSpire

These Biomechanical Factors May Predict Achilles Tendon Injuries in Runners

Higher weekly mileage and certain ankle movement patterns during running were linked to increased or decreased injury risk in a yearlong prospective study.

  • By

  • Olivia Anderson

  • February 26, 2026

  • 3 min

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Objective:

To investigate biomechanical factors and running volume that may predict the risk of developing Achilles tendinopathy in runners.

Key Findings:
  • 23 participants developed new Achilles tendon injuries over 12 months, with a higher incidence in runners (3.8%) compared to nonrunners (0.8%).
  • Every 7.8-mile increase in weekly running distance raised the risk of Achilles tendinopathy by 67%.
  • Stronger inward-rolling force during the stance phase was associated with a lower risk of injury.
  • Foot strike patterns did not significantly influence injury risk.
Interpretation:

The study suggests that monitoring running volume and specific ankle mechanics may help in designing effective injury prevention strategies for runners.

Limitations:
  • The study did not find age and sex to be statistically significant predictors after adjustments.
  • Potential bias due to the involvement of a co-author with a commercial interest in the biomechanical software used.
Conclusion:

Higher weekly running distances significantly elevate the risk of Achilles tendinopathy, while certain ankle mechanics may provide protective factors against injury.

Original Source(s)

These Biomechanical Factors May Predict Achilles Tendon Injuries in Runners

  • by Olivia Anderson

  • February 26, 2026

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