Orthopaedic surgeons: as strong as an ox and almost twice as clever? Multicentre prospective comparative study

The jury is still out...

26 December 2011

The data presented superficially appear interesting, but sadly are uninterpretable as set out.
In addition to sex, which the authors mentioned, strong predictors of grip strength are age, body height and mid-forearm circumference. Weaker predictors are body weight and hand size measures [1]. Since none of these potential co-variates have been provided, no informed interpretation of the presented data is possible.

Prediction of grip and key pinch strength in 978 healthy subjects. Angst F et al. BMC Musculoskeletal Disorders 2010, 11:94 doi:10.1186/1471-2474-11-94

Competing interests: None declared

Kit Byatt, consultant physician & geriatrician

Hereford County Hospital, Union Walk, Hereford HR1 2ER

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