Fig. 2. Maximum exhalation with and without belt. RA: rectus abdominis, EO: external oblique abdominis, IO: internal oblique abdominis, Data were presented with % maximal voluntary isometrics contraction.

J Kor Phys Ther 2020;32:394-9 https://doi.org/10.18857/jkpt.2020.32.6.394

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