Table 2. Time course of range of motion (ROM), maximum voluntary contraction (MVC), and root mean square of the surface electromyographic signal (sEMG RMS) in the control (CTRL) and stretching session (STR).
| CTRL | STR | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PRE | POST | POST15 | POST30 | PRE | POST | POST15 | POST30 | Time effect | Condition x time interaction | ||
| m(SD) | m(SD) | m(SD) | m(SD) | m(SD) | m(SD) | m(SD) | m(SD) | ||||
| ROM (°) | Hip | 26(4) | 26(4) | 27(4) | 27(4) | 26(4) | 28(4)a.b | 28(4)a | 27(4) | F = 12.21 | F = 20.64 |
| P<0.001 | P<0.001 | ||||||||||
| extension | |||||||||||
| ηp2 = 0.14 | ηp2 = 0.22 | ||||||||||
| Hip | 81(15) | 82(16) | 81(16) | 80(15) | 82(16) | 86(16)a.b | 84(16)a | 82(16) | F = 16.21 | F = 13.58 | |
| P<0.001 | P<0.001 | ||||||||||
| flexion | ηp2 = 0.40 | ηp2 = 0.36 | |||||||||
| Ankle | 31(5) | 30(5) | 31(5) | 30(5) | 30(5) | 32(5)a.b | 31(5)a | 31(5) | F = 9.03 | F = 18.54 | |
| P<0.001 | P<0.001 | ||||||||||
| Plantarflexion | ηp2 = 0.11 | ηp2 = 0.20 | |||||||||
| Ankle | 37(5) | 37(5) | 37(5) | 37(5) | 37(4) | 39(5) a.b | 38(5)a | 37(5) | F = 13.42 | F = 17.18 | |
| P<0.001 | P<0.001 | ||||||||||
| Dorsiflexion | |||||||||||
| ηp2 = 0.15 | ηp2 = 0.19 | ||||||||||
| MVC (N) | Knee extensors | 595(125) | 593(123) | 591(124) | 593(122) | 593(124) | 528(127)a.b | 569(128)a.b | 590(125) | F = 0.86 | F = 16.08 |
| P = 0.668 | P<0.001 | ||||||||||
| ηp2 = 0.006 | ηp2 = 0.39 | ||||||||||
| Knee flexors | 433(81) | 432(79) | 431(81) | 431(80) | 432(79) | 399(79)a.b | 419(81)a.b | 430(79) | F = 1.45 | F = 18.66 | |
| P = 0.24 | P<0.001 | ||||||||||
| ηp2 = 0.02 | ηp2 = 0.35 | ||||||||||
| Plantarflexors | 758(142) | 757(148) | 754(144) | 753(147) | 751(147) | 690(155)a.b | 717(148)a | 749(146) | F = 21.38 | F = 23.22 | |
| P<0.001 | P<0.001 | ||||||||||
| ηp2 = 0.22 | ηp2 = 0.24 | ||||||||||
| Dorsiflexors | 480(90) | 474(88) | 480(90) | 479(92) | 479(88) | 443(83) a.b | 467(87) a | 479(90) | F = 16.90 | F = 10.90 | |
| P<0.001 | P<0.001 | ||||||||||
| ηp2 = 0.33 | ηp2 = 0.22 | ||||||||||
| EMG RMS (mV) | Vastus lateralis | 0.73(.10) | 0.72(.10) | 0.72(.11) | 0.73(.11) | 0.73(.10) | 0.67(.11)a.b | 0.70(.11)a | 0.73(.11) | F = 17.90 | F = 19.15 |
| P<0.001 | P<0.001 | ||||||||||
| ηp2 = 0.27 | ηp2 = 0.21 | ||||||||||
| Biceps femoris | 0.57(.08) | 0.57(.08) | 0.56(.08) | 0.56(.08) | 0.56(.08) | 0.52(.09)a.b | 0.55(.08)a | 0.56(.08) | F = 11.50 | F = 11.34 | |
| P<0.001 | P<0.001 | ||||||||||
| ηp2 = 0.23 | ηp2 = 0.22 | ||||||||||
| Gastrocnemius medialis | 0.54(.08) | 0.54(.08) | 0.53(.07) | 0.53(.08) | 0.53(.07) | 0.49(.08)a.b | 0.51(.08)a | 0.54(.07) | F = 11.79 | F = 15.82 | |
| P<0.001 | P<0.001 | ||||||||||
| ηp2 = 0.23 | ηp2 = 0.26 | ||||||||||
| Tibialis anterior | 0.43(.06) | 0.42(.06) | 0.42(.06) | 0.43(.06) | 0.42(.06) | 0.39(.05)a.b | 0.41(.05)a | 0.42(.06) | F = 15.19 | F = 6.10 | |
| P<0.001 | P<0.001 | ||||||||||
| ηp2 = 0.32 | ηp2 = 0.18 | ||||||||||
a: p<0.05 vs PRE
b: p<0.05 vs CTRL.