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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Arch Phys Med Rehabil. 2017 Aug 9;99(3):423–432. doi: 10.1016/j.apmr.2017.06.033

Figure 4.

Figure 4

Heart rate (HR) variability during orthostatic stress test. Sitting power spectral density (ms2) from the Respiratory Training (RT) (n=24) and Control (n=20) groups during minutes 5–10 and 10–15 in the low and high frequency (LF and HF, respectively) bands. There was a significant increase in LF and HF power in the last 5 minutes of the sitting position in the RT group.