Effect of 48 h Fasting on Autonomic Function, Brain Activity, Cognition, and Mood in Amateur Weight Lifters
Table 2
Resting blood pressure and 2 min heart rate variability parameters before and after fasting.
Parameter
Before fasting
After fasting
Blood pressure
SBP (mmHg)
120.2 (7.1)
115.6 (7.3)
DPP (mmHg)
76.1 (5.5)
73.9 (6.0)
Heart rate variability
HR (bpm)
80.8 (17.8)
76.2 (19.5)
SDNN (ms)
45.3 (27.3)
52.8 (28.4)
SDNN (ln (ms))
3.68 (0.54)
3.83 (0.57)
RMSSD (ms)
21.5 (20.6)
22.78 (16.5)
RMSSD (ln (ms))
2.74 (0.79)
2.89 (0.73)
LF (ms2)
720.2 (579.9)
785.6 (454.3)
HF (ms2)
695.0 (629.8)
770.0 (618.3)
LF (ln (ms2))
6.34 (0.69)
6.52 (0.57)
HF (ln (ms2))
6.27 (0.73)
6.33 (0.89)
LF (nu)
51.8 (9.1)
54.3 (12.4)
HF (nu)
48.2 (9.1)
45.7 (12.4)
Data are presented as mean (standard deviation). , compared with before fasting. SBP, systolic blood pressure; DBP, diastolic blood pressure; HR, heart rate; SDNN, standard deviation of normal to normal interval; RMSSD, root mean square of the successive differences; LF, low frequency; HF, high frequency.
