Table 3.
Comparison of muscle soreness, swelling, and functional test variables in BRJ and PLA conditions.
| 95% CI | Sig | MD | RC % | BRJ | PLA | Variable |
|---|---|---|---|---|---|---|
| Mean ± SD | Mean ± SD | |||||
| −1.2 to 1.4 | 0.9 | 0.1 | −1.22% | 8.1 ± 1.7 | 8.2 ± 1.7 | MS baseline (mm) |
| 0.4 to 19.4 | 0.04 | 9.9 | −19.8% | 40.2 ± 7.9 | 50.1 ± 12.1 | MS-12 h (mm) |
| 5.8 to 24.8 | 0.004 | 15.3 | −34.1% | 29.8 ± 10.3 | 45.2 ± 8.7 | MS-24 h (mm) |
| 14.3 to 36.8 | <0.0001 | 25.6 | −46.2% | 29.8 ± 11.9 * | 55.4 ± 8.1 | MS-48 h (mm) |
| −10.7 to 9.4 | 0.9 | 0.7 | 0.5% | 132.7 ± 7.7 | 132.0 ± 11.9 | PPT baseline (mmHg) |
| −30.0 to 9.8 | 0.3 | 10.1 | 20.5% | 59.4 ± 45.3 | 49.3 ± 22.8 | PPT 48 h (mmHg) |
| −8.3 to 9.9 | 0.8 | 0.8 | −0.9% | 89.1 ± 20.7 | 89.9 ± 19.8 | Wall-sit baseline (s) |
| −30.3 to −6.3 | 0.006 | 18.3 | 29.6% | 80.1 ± 30.5 * | 61.8 ± 21.5 | Wall-sit 48 h (s) |
| −2.6 to 2.4 | 0.9 | 0.0 | 0.0% | 34.3 ± 8.7 | 34.3 ± 9.8 | VSFT baseline (cm) |
| −3.3 to 0.8 | 0.1 | 1.5 | 4.5% | 32.6 ± 10.2 | 31.3 ± 11.3 | VSFT 48 h (cm) |
| −0.5 to 2.5 | 0.2 | 1.0 | −3.0% | 32.4 ± 4.7 | 33.4 ± 6.1 | VJH baseline (cm) |
| −1.2 to 1.2 | 0.9 | 0.0 | 0.0% | 30.0 ± 5.5 | 30.0 ± 6.0 | VJH 48 h (cm) |
| −0.1 to 2.2 | 0.06 | 1.1 | −1.9% | 57.7 ± 4.3 | 58.8 ± 3.6 | Sw-T baseline (cm) |
| 0.7 to 1.5 | <0.0001 | 1 | −1.6% | 60.3 ± 4.3 * | 61.3 ± 4.2 | Sw-T (cm) |
* Significant difference between PLA and CON, CI: confidence interval; RC: Relative Change [(BRJ − PLA)/PLA]; BRJ: Beetroot juice; PLA: placebo; MS: muscle soreness; Sw-T: swelling around the thigh; PPT: pressure pain threshold; VSFT: V-Sit reach flexibility test; VJH: vertical jump height.