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Running Economy While Running in Shoes Categorized as Maximal Cushioning.

Miles A Mercer1, Tori M Stone2, John C Young1

  • 1Department of Kinesiology & Nutrition Sciences, University of Nevada, Las Vegas, NV, USA.

International Journal of Exercise Science
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Maximal cushioning running shoes did not significantly alter running economy compared to neutral shoes. Oxygen consumption (VO2) remained similar across different speeds and inclines, regardless of shoe cushioning type.

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Area of Science:

  • Sports Science
  • Biomechanics
  • Exercise Physiology

Background:

  • Running economy is a key determinant of endurance performance.
  • The influence of maximal cushioning footwear on physiological responses during running is an area of ongoing research.
  • Understanding how shoe technology impacts energy expenditure can inform footwear design and athlete recommendations.

Purpose of the Study:

  • To investigate the effect of maximal cushioning running shoes versus control (neutral cushioning) shoes on running economy.
  • To determine if shoe cushioning impacts oxygen consumption (VO2) at various running speeds and inclines.

Main Methods:

  • Ten participants completed two experiments involving treadmill running in both maximal cushioning and control shoes.
  • Experiment 1 assessed VO2 at preferred speed, preferred speed + 0.447 m/s, and preferred speed - 0.447 m/s.
  • Experiment 2 assessed VO2 at preferred speed on 0% and 6% inclines, with statistical analysis using repeated measures ANOVAs.

Main Results:

  • No significant interaction effect between shoe type and speed on VO2 (p=0.108).
  • No significant interaction effect between shoe type and incline on VO2 (p=0.191).
  • VO2 varied significantly with speed (p<0.001) and incline (p<0.001), but not between shoe conditions (p=0.071 for speed, p=0.095 for incline).

Conclusions:

  • Maximal cushioning running shoes do not appear to influence running economy compared to neutral cushioning shoes.
  • Running economy is primarily affected by changes in speed and incline, rather than the cushioning level of the footwear within the tested parameters.
  • These findings suggest that the benefits of maximal cushioning may lie in factors other than acute changes in running economy.