Dr. Sarah E Duvall, DPT, CPT on Instagram: A study compared the drawing in  method to a maximal abdominal contraction method, and it showed that the  maximal abdominal contraction method produced significantly

Dr. Sarah E Duvall, DPT, CPT on Instagram: A study compared the drawing in method to a maximal abdominal contraction method, and it showed that the maximal abdominal contraction method produced significantly

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1,218 likes, 54 comments - drsarahduvall on November 28, 2023: "A study compared the drawing in method to a maximal abdominal contraction method, and it showed that the maximal abdominal contraction me"

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