Table 6. Percentage of muscle activation time course in the control (CTRL) and stretching session (STR) during the static tests.
| Muscle activation level (% sEMG RMS during MVC at Pre) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | |||||
| Static tests | OE | VL | 2.5(0.8) | 2.4(0.7) | 2.5(0.4) | 2.4(0.6) | 2.6(0.5) | 2.8(0.5)a.b | 2.7(0.5)b | 2.6(0.5) | F = 16.16 | F = 6.91 |
| P<0.001 | P = 0.001 | |||||||||||
| ηp2 = 0.18 | ηp2 = 0.09 | |||||||||||
| BF | 2.4(0.6) | 2.4(0.6) | 2.3(0.7) | 2.5(0.6) | 2.5(0.4) | 2.8(0.4)a.b | 2.7(0.4)a.b | 2.6(0.4) | F = 7.77 | F = 7.31 | ||
| P<0.001 | P<0.001 | |||||||||||
| ηp2 = 0.10 | ηp2 = 0.09 | |||||||||||
| GM | 5.5(1.3) | 5.2(1.2) | 5.0(1.0) | 5.0(1.1) | 5.4(1.2) | 5.8(1.2)a.b | 5.6(1.1)b | 5.3(1.1)b | F = 6.60 | F = 4.56 | ||
| P<0.001 | P = 0.04 | |||||||||||
| ηp2 = 0.17 | ηp2 = 0.06 | |||||||||||
| TA | 4.5(0.7) | 4.4(0.8) | 4.5(0.8) | 4.5(0.6) | 4.7(0.7) | 5.0(0.8)a.b | 4.9(0.9) | 4.7(0.7) | F = 2.76 | F = 3.68 | ||
| P = 0.04 | P = 0.01 | |||||||||||
| ηp2 = 0.04 | ηp2 = 0.05 | |||||||||||
| CE | VL | 2.6(0.8) | 2.7(0.8) | 2.7(0.8) | 2.8(0.7) | 2.7(0.5) | 3.2(0.6)a.b | 3.1(0.6) a.b | 2.9(0.6) | F = 10.23 | F = 3.69 | |
| P<0.001 | P = 0.01 | |||||||||||
| ηp2 = 0.12 | ηp2 = 0.05 | |||||||||||
| BF | 2.7(0.7) | 2.6(0.8) | 2.6(0.7) | 2.5(0.8) | 2.8(0.6) | 3.1(0.6)a.b | 3.0(0.6)a.b | 2.9(0.7) | F = 5.74 | F = 3.08 | ||
| P = 0.001 | P = 0.03 | |||||||||||
| ηp2 = 0.07 | ηp2 = 0.04 | |||||||||||
| GM | 5.2(0.7) | 5.2(0.8) | 5.1(0.7) | 5.4(0.7) | 5.4(0.8) | 5.9(0.9)a.b | 5.7(0.9)b | 5.5(0.8) | F = 2.86 | F = 2.52 | ||
| P = 0.04 | P = 0.06 | |||||||||||
| ηp2 = 0.04 | ηp2 = 0.03 | |||||||||||
| TA | 5.3(1.2) | 5.4(1.3) | 5.2(1.1) | 5.6(1.0) | 5.3(2.0) | 5.8(1.2)a.b | 5.6(1.0)a.b | 5.3(1.0) | F = 3.54 | F = 8.60 | ||
| P = 0.02 | P<0.001 | |||||||||||
| ηp2 = 0.05 | ηp2 = 0.11 | |||||||||||
| OE+foam | VL | 2.4(0.7) | 2.4(0.6) | 2.4(0.7) | 2.4(0.7) | 2.6(0.4) | 2.9(0.4)a.b | 2.9(0.5) a.b | 2.8(0.5) | F = 8.76 | F = 2.6 | |
| P<0.001 | P = 0.05 | |||||||||||
| ηp2 = 0.11 | ηp2 = 0.04 | |||||||||||
| BF | 2.5(0.6) | 2.4(0.6) | 2.4(0.8) | 2.6(0.7) | 2.6(0.5) | 2.7(0.5)b | 2.6(0.7) | 2.6(0.6) | F = 18.51 | F = 1.88 | ||
| P<0.001 | P = 0.13 | |||||||||||
| ηp2 = 0.20 | ηp2 = 0.03 | |||||||||||
| GM | 5.1(1.1) | 5.0(1.1) | 5.2(1.1) | 5.2(1.2) | 5.3(1.1) | 5.8(1.2)a.b | 5.6(1.2)a.b | 5.3(1.1) | F = 3.52 | F = 5.68 | ||
| P = 0.02 | P = 0.001 | |||||||||||
| ηp2 = 0.05 | ηp2 = 0.07 | |||||||||||
| TA | 4.4(0.7) | 4.2(0.8) | 4.2(1.0) | 4.5(0.9) | 4.3(0.8) | 4.6(0.8)b | 4.5(0.9) | 4.4(0.8) | F = 12.09 | F = 4.19 | ||
| P<0.001 | P = 0.007 | |||||||||||
| ηp2 = 0.14 | ηp2 = 0.05 | |||||||||||
| CE+foam | VL | 3.2(0.6) | 3.1(0.9) | 3.0(0.8) | 3.1(0.6) | 2.8(0.5) | 3.0(0.5)a.b | 2.9(0.4) | 2.9(0.5) | F = 24.00 | F = 2.00 | |
| P<0.001 | P = 0.11 | |||||||||||
| ηp2 = 0.25 | ηp2 = 0.03 | |||||||||||
| BF | 5.8(1.4) | 5.7(1.3) | 5.4(1.2) | 5.8(1.3) | 6.2(1.1) | 6.6(1.2)b | 6.4(1.2) | 6.2(1.1) | F = 18.51 | F = 1.88 | ||
| P<0.001 | P = 0.13 | |||||||||||
| ηp2 = 0.20 | ηp2 = 0.03 | |||||||||||
| GM | 5.8(0.9) | 5.8(1.0) | 5.7(1.1) | 5.6(1.1) | 6.0(1.0) | 6.4(1.0)a.b | 6.2(1.1)b | 6.1(1.0) | F = 1.91 | F = 4.79 | ||
| P = 0.12 | P = 0.003 | |||||||||||
| ηp2 = 0.03 | ηp2 = 0.06 | |||||||||||
| TA | 5.2(1.3) | 5.2(1.4) | 5(1.1) | 5.1(1.5) | 5.1(1.3) | 5.4(1.2) a.b | 5.3(1.3) | 5.2(1.2) | F = 4.44 | F = 1.51 | ||
| P = 0.005 | P = 0.21 | |||||||||||
| ηp2 = 0.06 | ηp2 = 0.02 | |||||||||||
OE: eyes open, CE: eyes closed, OE+foam: eyes open with foam, CE+foam: eyes closed with foam. VL: vastus lateralis, BF: biceps femoris, GM: gastrocnemius medialis, TA: tibialis anterior.
a: p<0.05 vs PRE
b: p<0.05 STR vs CTRL.