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Mid-year review: physical inactivity universally accepted as the biggest public health problem of the 21st century, shoulder exam challenges, and progress against the scourges of anterior knee pain and ACL injuries
  1. K M Khan
  1. Dr K Khan, The University of British Columbia, Centre for Hip Health and Mobility, Suite 320–5950 University Blvd, Vancouver V6T 1Z3, Canada; karim.khan{at}

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As the northern hemisphere embarks on various degrees of summer stupor, and the southern hemisphere weathers the winter with a crowd of football codes, I take this chance to alert you to what many have considered highlights of the year to date.


Professor Steven Blair opened BJSM’s year by announcing a “surge” against physical inactivity.1 Interestingly there has been no push-back against Professor Blair’s powerful argument and compelling data. How time flies when I consider that Dr Frank Booth’s classic declaration of war against physical inactivity was in 2000—almost a decade ago!2

Now is the time to redouble our efforts to promote physical activity as the single most useful health modality. We also need to be cohesive so that lawmakers are not confused by multiple messages or by competing interests. To this end, BJSM fully endorses the …

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