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Grounded Running Reduces Musculoskeletal Loading.

Senne Bonnaerens1, Pieter Fiers1, Samuel Galle1

  • 1Department of Movement and Sport Sciences, Ghent University, Ghent, BELGIUM.

Medicine and Science in Sports and Exercise
|November 28, 2018
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Grounded running (GR) reduces musculoskeletal loading and injury risk compared to slow aerial running (SAR) without increasing energy expenditure. This running style may benefit recreational runners by maintaining moderate to vigorous physical activity levels.

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Area of Science:

  • Biomechanics
  • Exercise Physiology
  • Sports Medicine

Background:

  • Many recreational runners adopt slow running styles without a distinct flight phase.
  • Understanding the biomechanics of this 'grounded running' (GR) pattern is crucial for injury prevention.

Purpose of the Study:

  • To determine the biomechanical and physiological characteristics of grounded running (GR).
  • To compare GR with slow aerial running (SAR) and walking at similar speeds.

Main Methods:

  • Thirty male subjects performed instructed GR and SAR at 2.10 m/s on a treadmill.
  • Measurements included ground reaction forces, tibial accelerations, metabolic rate, and detailed kinematics/kinetics for muscular loading calculations.

Main Results:

  • GR successfully increased the duty factor compared to SAR.
  • Impact intensity, general musculoskeletal loading, and muscular loading decreased significantly in GR versus SAR (up to 35%).
  • Metabolic rate increased slightly (4.8%) in GR compared to SAR.

Conclusions:

  • Transitioning to GR reduces musculoskeletal loading without a significant increase in energy cost.
  • GR offers potential benefits for injury reduction in recreational runners.
  • GR can be considered a moderate to vigorous physical activity, aligning with public health recommendations.