Skip to main content

Table 2 Heart rate and blood pressure responses

From: Higher doses of a green tea-based supplement increase post-exercise blood flow following an acute resistance exercise bout in recreationally resistance-trained college-aged men

Time pointPREPRE2POST15POST45POSTStatistics
Low GBS dose (300 mg) (n = 9)
 Heart rate (bpm) #  #Supp p = 0.702
  GBS62 ± 1259 ± 1060 ± 1062 ± 1260 ± 10Timep = 0.005
  Placebo61 ± 1357 ± 1260 ± 1158 ± 1158 ± 11SxT p = 0.669
 SBP (mmHg)  *  Supp p = 0.924
  GBS115 ± 8115 ± 7119 ± 9114 ± 9114 ± 8Timep = 0.001
  Placebo115 ± 8114 ± 7120 ± 7113 ± 5116 ± 7SxT p = 0.867
 DBP (mmHg)     Supp p = 0.516
  GBS64 ± 763 ± 763 ± 763 ± 662 ± 6Time p = 0.939
  Placebo63 ± 665 ± 665 ± 564 ± 666 ± 6SxT p = 0.475
High GBS dose (600 mg) (n = 8)
 Heart rate (bpm)    #Supp p = 0.825
  GBS56 ± 855 ± 1056 ± 1155 ± 954 ± 7Timep = 0.027
  Placebo56 ± 854 ± 956 ± 856 ± 854 ± 8SxT p = 0.473
 SBP (mmHg)  *  Supp p = 0.341
  GBS112 ± 6113 ± 6120 ± 7113 ± 7114 ± 7Timep < 0.001
  Placebo116 ± 4114 ± 4120 ± 4116 ± 4115 ± 3SxT p = 0.239
 DBP (mmHg)     Supp p = 0.857
  GBS64 ± 566 ± 567 ± 567 ± 668 ± 6Time p = 0.454
  Placebo67 ± 766 ± 766 ± 567 ± 466 ± 6SxT p = 0.397
  1. Legend: All hemodynamic data are presented as mean ± SD. Abbreviations: bpm Beats per minute, mmHg Millimeters of mercury, SBP Systolic blood pressure, DBP Diastolic blood pressure, PRE Pre-supplement consumption; PRE2 45-min post-supplement consumption, POST within 3 min of arm curl exercise (4 sets of 10 repetitions using 11 kg), 15POST 15 min post-exercise, 45POST 45 min post-exercise, Supp main effect of supplement (GBS versus placebo), Time main effect of time, SxT supplement by time interaction. Symbols: *, time effect post hoc indicated greater than PRE (p < 0.05); #, time effect post hoc indicated lower than PRE (p < 0.05)