This is the study we have heard Sahrmann reference regarding the popularity of undiagnosed hip labral tears.
Again, the recent prominence of hip labral tears is more a consequence of surgeons being able to repair them via scope than any epidemiology.
https://www.ncbi.nlm.nih.gov/pubmed/11153993
Good work from my good friend and new proud father, Vincent Chen, for tracking it down.
