Table 3.
Change in Blood Pressure (BP) and Heart Rate (HR) during Standing and During 1‐Minute Sustained Isometric Handgrip
| Parameter | Normotensives (n = 17) | Hypertensives (n = 35) | P Value |
|---|---|---|---|
| Changes in BP and HR during standing | |||
| Systolic pressure (mm Hg) | |||
| 2 minute after standing | 4 ± 8 | 3 ± 8 | 0.77 |
| 5 minutes after standing | 4 ± 7 | 4 ± 9 | 0.73 |
| Diastolic pressure (mm Hg) | |||
| 2 minutes after standing | 7 ± 4 | 8 ± 8 | 0.64 |
| 5 minutes after standing | 9 ± 4 | 8 ± 6 | 0.81 |
| HR (bpm) | |||
| 2 minutes after standing | 9 ± 7 | 8 ± 6 | 0.60 |
| 5 minutes after standing | 9 ± 8 | 9 ± 7 | 0.90 |
| BP and HR response to sustained isometric handgrip | |||
| Maximum voluntary contraction (Kg) | 29 ± 3 | 27 ± 5 | 0.04* |
| Systolic pressure (mm Hg) | 11 ± 5 | 16 ± 9 | 0.07 |
| Diastolic pressure (mm Hg) | 9 ± 4 | 13 ± 8 | 0.07 |
Data are expressed as the means ± SD. bpm = beats per minute.
*P < 0.05.