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Related Experiment Videos

Physiological strain unique to field hockey.

T Reilly1, A Seaton

  • 1Centre for Sport and Exercise Sciences, Liverpool Polytechnic, England.

The Journal of Sports Medicine and Physical Fitness
|June 1, 1990
PubMed
Summary

Field hockey players experience increased physiological strain and spinal loading due to the unique demands of dribbling in a semi-crouched posture. This activity elevates energy expenditure and contributes to lower back pain among athletes.

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Area of Science:

  • Sports Science
  • Biomechanics
  • Exercise Physiology

Background:

  • Field hockey requires players to dribble a ball while maintaining a semi-crouched posture.
  • The physiological and biomechanical effects of this unique playing style are not fully understood.

Purpose of the Study:

  • To quantify the net physiological strain associated with dribbling in field hockey.
  • To investigate the prevalence of lower back pain in field hockey players.
  • To measure spinal length changes during dribbling to assess spinal loading.

Main Methods:

  • Seven male field hockey players performed treadmill running at 8 and 10 km/h, with and without dribbling.
  • Energy expenditure, heart rate, and perceived exertion were measured.
  • A survey assessed lower back pain prevalence (n=81).

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  • Spinal length changes were measured during 7 minutes of dribbling on a treadmill (n=7).

    • Main Results:

    • Dribbling increased energy expenditure by 15-16 kJ/min compared to normal running.
    • Heart rate and perceived exertion were significantly higher during dribbling.
    • 53% of surveyed players reported experiencing lower back pain.
    • Spinal length decreased at a rate of 0.4 mm/min during dribbling, exceeding previously reported values.

    Conclusions:

    • The semi-crouched posture and dribbling in field hockey impose significant physiological strain and spinal loading.
    • These demands contribute to increased energy costs and a high incidence of lower back pain in players.
    • Further research into protective measures and training adaptations is warranted.