The article actually found that in the asymptomatic right-handed pitchers, there was a significant difference in the thickness of the supraspinatus tendon, the dominant arm tendon being thicker. No such difference was found in left-handed pitchers. This could be a significant finding in realizing the misdiagnosis that could occur by simply using tendon thickness as the basis for identifying a pathology. One of the limiting factors of the study was the fact that it was simply a cross-sectional observational study of 12 pitchers. With the low participant rate, it is unknown how much the results of this study can be applied to a larger population, but it will hopefully lead to further investigation into the area. While the study does not establish any significant tendon thickness norms (due to the small sample size and study design), it brought the potential of misdiagnosis into the focus for further consideration.
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