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Spinal shrinkage in fast bowling

T Reilly1, D Chana

  • 1Centre for Sport and Exercise Sciences, Liverpool John Moores University, UK.

Ergonomics
|January 1, 1994
PubMed
Summary
This summary is machine-generated.

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Fast bowling in cricket significantly reduces stature due to spinal loading. This study quantifies spinal shrinkage in cricketers, highlighting the biomechanical impact of bowling actions.

Area of Science:

  • Sports Medicine
  • Biomechanics
  • Spinal Physiology

Background:

  • Physical activities can induce spinal loading, leading to temporary stature reduction, known as shrinkage.
  • Spinal shrinkage is attributed to intervertebral disc creep and vertebral end-plate compression.
  • Fast bowling in cricket is an activity with a high risk of back injury.

Purpose of the Study:

  • To investigate spinal shrinkage in cricketers during activities simulating fast bowling.
  • To quantify the effect of bowling actions on stature.
  • To differentiate the impact of bowling from the run-up alone.

Main Methods:

  • Eight healthy male cricketers (19-24 years) participated.
  • Subjects underwent standardized stature measurements using a stadiometer.

Related Experiment Videos

  • Experimental conditions included 30 min of standing, bowling, run-up only, and inverted postures.

    • Main Results:

    • Standing for 30 min resulted in minimal shrinkage (0.1 mm).
    • Fast bowling for 30 min caused a significant stature decrease of 2.30 mm (p < 0.05).
    • Performing only the run-up did not lead to significant stature reduction (0.29 mm).

    Conclusions:

    • Fast bowling significantly induces spinal shrinkage in cricketers.
    • The run-up component alone does not contribute significantly to spinal shrinkage.
    • These findings provide biomechanical insights into the spinal stress experienced by fast bowlers.