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. 2005 May 12;566(Pt 2):599–611. doi: 10.1113/jphysiol.2005.084541

Figure 5. Average LF GTF data during exercise and pharmacological conditions.

Figure 5

Transfer function low frequency (0.07–0.2 Hz) gain (LF GTF) between HR and MAP (left) and between HR and SBP (right) at rest and during mild (EX90), moderate (EX120) and heavy (EX150) exercise during control, metoprolol and glycopyrrolate conditions. Bars represent the average data for all subjects (means ± s.e.m.). *Different from rest, P < 0.05; †different from EX90, P < 0.05; ‡different from EX120, P < 0.05; #different from glycopyrrolate, P < 0.05; $different from metoprolol, P < 0.05. The LF GTF decreased with increasing exercise workload during control and metoprolol conditions. However, glycopyrrolate decreased LF GTF at rest, and this resting value of LF GTF was not affected by increasing exercise workload.