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BODY FACTORS

Do Flat Feet Hurt Your Jump? Shoe Choices Explained

A flattened arch weakens the spring effect — but it is not decisive. Foot training, shoe choice and calf flexibility all matter more.

August 5, 20266 min read

A normal arch acts like a spring during jumping: it collapses on landing to store energy and rebounds on push-off. A flattened arch weakens that effect by roughly 5–10% — real, but far from decisive.

Improvement strategies

What actually helps flat-footed jumpers:

  • Foot intrinsic training: short-foot exercise, towel curls, barefoot walking on sand.
  • Shoe choice: flat, firm soles (e.g. Nike Metcon, Reebok Nano); avoid soft running shoes.
  • Orthotics: only if function is clearly limited.
  • Calf flexibility: flat feet often accompany a tight soleus.

The perspective check

Many elite athletes have flat feet. The arch is one input in a system that includes strength, technique and reactivity — train the system and the arch stops being the excuse.

Key takeaways

  • Flat feet cost some elastic return but are not decisive.
  • Train the foot intrinsics and keep the soleus flexible.
  • Train in flat, firm-soled shoes, not soft running shoes.

References

  • McKeon et al. (2015) Br J Sports Med
  • Headlee et al. (2009) J Orthop Sports Phys Ther

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