Table 3. Comparison of the absolute total landing time (ms) and relative time of each peak (T, % of landing time) (mean ± SD) during landings between pre- and post-fatigue conditions.
Protocols |
Fatigue |
Total landing time* |
T_vGRF1* |
T_vGRF2* |
T_MH1* |
T_MH2* |
T_MK1* |
T_MK2* |
T_MK3* |
T_MA1* |
T_MA2* |
R-FP |
pre |
225.8 ± 72.7 |
5.9 ± 3.2 |
17.4 ± 9.6 |
18.0 ± 9.4 |
49.1 ± 16.8 |
8.4± 2.6 |
25.3 ± 7.0 |
39.7 ± 14.2 |
9.2± 4.2 |
41.1± 9.6 |
post |
251.3 ± 69.2 |
5.0 ± 2.4 |
14.1 ± 7.4 |
13.6 ± 6.4 |
40. 6 ±11.3 |
7.8 ± 2.1 |
22.9 ± 6.7 |
36.9 ± 17.5 |
7.1 ± 2.9 |
33.1 ± 8.9 |
SJ-FP |
pre |
228.3 ± 54.8 |
5.7 ±1.3 |
15.8 ± 4.8 |
18.3 ± 6.1 |
53.2 ± 10.7 |
10.4 ± 4.2 |
28.1 ± 8.4 |
43.9 ± 12.4 |
10.0 ± 3.7 |
39.3± 8.2 |
post |
255.1 ± 46.4 |
5.2 ± 1.3 |
13.5 ± 4.2 |
13.0 ± 4.9 |
41.7 ± 9.5 |
6.7 ± 2.4 |
21.2 ± 6.4 |
33.3 ± 9.1 |
7.3 ± 2.8 |
35.6 ± 7.1 |
* Significant differences between pre- and post-fatigue conditions, with p < 0.05. R-FP = fatigue protocol with constant speed running; SJ-FP = fatigue protocol with shuttle sprint plus vertical jump; pre = pre-fatigue; post = post-fatigue; T_vGRF1, T_vGRF2 = the relative time from contact to vGRF1, vGRF2; T_M
H1, T_M
H2 = the relative time from contact to M
H1 and M
H2; T_M
K1, T_M
K2, T_M
K3 = the relative time from contact to M
K1, M
K2, and M
K3; T_M
A1, T_M
A2 = the relative time from contact to M
A1 and M
A2.