Ultrasound imaging (USI) may be one of the newer forms of imaging, but newer doesn't mean better. USI for abdominal organs and the uterus is valuable, but its value when it comes to musculoskeletal problems is not convincing. A new study in Physical Therapy in Sport entitled “Ultrasound imaging features of the Achilles tendon in dancers. Is there a correlation between the imaging and clinical findings? A cross-sectional study” does not find a correlation.
The study looked at the Achilles tendons of 29 dancers with no pain nor functional problems - 58 tendons total. With USI, 62% of the young women had at least one abnormal tendon. Of the 58 tendons, 26 were abnormal when examined using USI. This study also points to others that do not find a relationship between what USI shows and pain. How is this applicable? Say one of these dancers with an abnormal tendon starts having pain in her Achilles after the study. It’s easy to assume that the tendon - which was abnormal on USI - is the problem. However, given that it was abnormal without pain, it makes sense that something else could be causing pain - perhaps something that cannot be visualized. For that reason, we should test a person’s musculoskeletal system by moving her musculoskeletal system. Versus imaging, that gives us improved chances to find the true source of the problem. --Laura
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