Retest reliability of measuring hip extensor muscle strength in different testing positions in young people with cerebral palsy
2011

Measuring Hip Muscle Strength in Young People with Cerebral Palsy

Sample size: 19 publication Evidence: moderate

Author Information

Author(s): Kate M Dyball, Nicholas F Taylor, Karen J Dodd

Primary Institution: La Trobe University

Hypothesis

Can hip extensor strength be measured reliably in young people with cerebral palsy using different testing positions?

Conclusion

The supine position is the most reliable for measuring hip extensor strength in young people with cerebral palsy.

Supporting Evidence

  • The supine position showed the highest reliability for measuring hip extensor strength.
  • Strength increases of more than 8% in the supine position could be considered true change.
  • Using three trials for testing improved reliability compared to fewer trials.

Takeaway

This study found that lying on your back is the best way to check how strong your hip muscles are if you have cerebral palsy.

Methodology

Participants with spastic diplegic cerebral palsy were tested in three positions (supine, prone, standing) using a hand-held dynamometer across two sessions 12 weeks apart.

Limitations

The study only included young people with mild to moderate disability and a small sample size.

Participant Demographics

Nineteen participants, aged 14 to 22 years, with 9 males and 10 females.

Digital Object Identifier (DOI)

10.1186/1471-2431-11-42

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