Fig. 1.
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Fig. 1.
Respiratory muscle strengthening training using the threshold respiratory muscle trainer: A. Experimental group exercise posture B. Control group exercise posture.
J Korean Soc Phys Med 2022;17:75-82
https://doi.org/10.13066/kspm.2022.17.2.75
© 2022 J Korean Soc Phys Med