Table 1. The hamstring EMG activity and the BFlh/ST ratio in five phases (0–10°, 10–20°, 20–30°, 30–40° and 40–50°) during NHE variations.
|
NH |
N20 |
N40 |
Intra-condition difference |
BFlh (%MVIC) |
0-10° |
34.5 (21.0) † ‡§|| |
44.4 (21.0) † ‡§|| |
70.7 (33.7) † || |
N-20; N-40; 20-40 |
10-20° |
45.5 (24.2) *‡§|| |
71.8 (28.6) *‡ |
88.0 (27.7) *§|| |
N-20; N-40 |
20-30° |
58.5 (32.1) *† §|| |
89.4 (36.0) *† |
79.5 (21.4) §|| |
N-20 |
30-40° |
79.6 (49.8) *† ‡ |
90.1 (27.3) * |
52.9 (20.3) † ‡|| |
20-40 |
40-50° |
96.3 (52.9) *† ‡ |
82.2 (20.1) * |
25.9 (13.6) *† ‡§ |
N-40; 20-40 |
ST (%MVIC) |
0-10° |
21.6 (14.3) † ‡§|| |
33.9 (17.0) † ‡§|| |
47.9 (26.9) † |
N-20; N-40 |
10-20° |
28.5 (17.1) *‡§|| |
58.7 (31.1) *‡§ |
68.3 (29.3) *§|| |
N-20; N-40 |
20-30° |
38.0 (20.7) *† §|| |
77.2 (41.7) *† |
69.3 (29.0) §|| |
N-20; N-40 |
30-40° |
57.9 (31.2) *† ‡ |
82.2 (33.5) *† |
49.8 (25.5) † ‡|| |
N-20; 20-40 |
40-50° |
79.1 (41.7) *† ‡ |
75.8 (25.4) * |
27.2 (16.1) † ‡§ |
N-40; 20-40 |
BFlh/ST ratio |
0-10° |
1.6 (0.9) |
1.3 (0.7) |
1.3 (0.5) † ‡§|| |
|
10-20° |
1.4 (0.5) |
1.2 (0.6) |
1.1 (0.3) §|| |
N-40 |
20-30° |
1.3 (0.4) |
1.0 (0.3) |
1.0 (0.3) |
N-40 |
30-40° |
1.2 (0.4) |
0.9 (0.2) |
0.9 (0.4) |
N-20 |
40-50° |
1.0 (0.3) |
0.9 (0.2) |
0.8 (0.4) |
|
The symbols (*0-10°, † 10-20°, ‡20-30°, §30-40° and ||40-50°) and abbreviations (N, NH; 20, N20; 40, N40) indicate significant difference (p < 0.05).