Postural Changes on Heart Rate Variability among Older Population: A Preliminary Study

Figure 1

Pearson correlation coefficients between sitting and standing positions. (a) PNS between sitting and standing positions. (b) SNS between sitting and standing positions. (c) Mean RR between sitting and standing positions. (d) Mean HR between sitting and standing positions. (e) HF between sitting and standing positions. (f) LF between sitting and standing positions.

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