Table 1 Summary of included studies
Author (country) | Initial no. of participants (M/F) | Final no. of participants | Age of participants | Pre resting blood pressure (mmHg) | Exercise frequency and duration of study | IHET training | Outcomes | |
|---|---|---|---|---|---|---|---|---|
Systolic | Diastolic | |||||||
Stiller-Moldovan (Canada) [24] | TG: 8/5 CG: 6/7 | TG: 7/4 CG: 3/6 | TG: 60.0 ± 8.5 CG: 62.7 ± 6.1 | TG: 113.9 ± 12.7 CG: 117.8 ± 14.3 | TG: 60.7 ± 11.6 CG: 67.5 ± 4.2 | 3×/week for 8 weeks. | 4 × 2 min bilateral IHET contractions at 30–40% MVC, separated by 1-min rest | ↔ SBP ↔ DBP ↔ LF ↔ HF ↔ LF/HF |
Badrov (Canada) [21] | TG: 6/6 CG: 7/5 | TG: 6/6 CG: 7/5 | TG: 65 ± 7 CG: 63 ± 9 | TG: 129 ± 16 CG: 130 ± 17 | TG: 72 ± 9 CG: 73 ± 12 | 3×/week for 8 weeks | 4 × 2 min unilateral (non-dom) IHET contractions at 30%MVC separated by 4-min rest | ↓ SBP ↓ DBP |
Taylor (Canada) [25] | TG: 5/4 CG: 5/3 | TG: 5/4 CG: 5/3 | TG: 69.3 ± 6.0 CG: 64.2 ± 5.5 | TG: 156.0 ± 9.4 CG: 152.0 ± 7.8 | TG: 82.3 ± 9.3 CG: 87.1 ± 10.8 | 3×/week for 10 weeks | 4 × 2 min bilateral IHET contractions at 30% MVC, separated by 1-min rest | ↓ SBP ↔ DBP ↔ LF ↑ HF ↔ LF/HF |
Millar (Canada) [22] | TG: 11/2 CG: 7/3 | TG: 11/2 CG: 7/3 | TG: 65 ± 6 CG: 67 ± 6 | TG: 125 ± 12 CG: 128 ± 16 | TG: 78 ± 2 CG: 75 ± 8 | 3×/week for 8 weeks | 4 × 2 min unilateral IHET contractions at 30% MVC, separated by 4-min rest | ↓ SBP ↔ DBP ↔ LF ↔ HF ↓ LF/HF |
Punia (India) [23] | Total of 40 participants | Total of 40 participants | Between 30 and 45 years | TG: 144.15 ± 7.63 CG: 142.40 ± 7.54 | TG: 92.65 ± 4.90 CG: 89.50 ± 4.60 | 3×/week for 8 weeks | 4 × 2 min unilateral at 30% MVC separated by 4-min rest. | ↓ SBP ↓ DBP |
