Table 2. The minimum number of consecutive averaged repetitions to meet the trustworthy criteria (ICC2.k > 0.95).
Load (kg·m2) | EMGRMS | Concentric | Eccentric | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
sol | l.gas | bf | semi | vm | vl | rf | glut | sol | l.gas | bf | semi | vm | vl | rf | glut | ||
0.05 | Peak | 3 | 4 | 7 | 2 | 6 | 7 | 3 | 14 | 12 | 6 | 7 | 3 | 11 | 8 | 2 | 19 |
Mean | 2 | 2 | 2 | 2 | 3 | 5 | 3 | 16 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 7 | |
1./3mean | 13 | 9 | 2 | 10 | 6 | 8 | 4 | 16 | 9 | 9 | 9 | 2 | 8 | 4 | 9 | 6 | |
2./3mean | 10 | 4 | 11 | 5 | 8 | 8 | 7 | 17 | 17 | 8 | 13 | 7 | 7 | 4 | 3 | 22 | |
3./3mean | 6 | 6 | 9 | 5 | 11 | 13 | 5 | 12 | 25 | 13 | 2 | 13 | 2 | 8 | 25 | 20 | |
0.125 | Peak | 8 | 9 | 8 | 3 | 4 | 5 | 2 | 2 | 6 | 11 | 7 | 3 | 2 | 6 | 4 | 3 |
Mean | 7 | 2 | 2 | 3 | 4 | 5 | 4 | 2 | 3 | 7 | 3 | 3 | 2 | 3 | 4 | 2 | |
1./3mean | 7 | 8 | 3 | 3 | 5 | 7 | 4 | 2 | 6 | 14 | 3 | 4 | 4 | 2 | 25 | 2 | |
2./3mean | 12 | 9 | 2 | 2 | 8 | 10 | 4 | 2 | 15 | 19 | 3 | 7 | 4 | 4 | 8 | 7 | |
3./3mean | 11 | 11 | 2 | 5 | 6 | 6 | 5 | 4 | 9 | 12 | 17 | 5 | 3 | 6 | 4 | 22 | |
0.225 | Peak | 7 | 5 | 4 | 6 | 3 | 4 | 3 | 2 | 4 | 4 | 4 | 9 | 7 | 3 | 5 | 2 |
Mean | 5 | 2 | 2 | 5 | 2 | 3 | 3 | 2 | 4 | 4 | 3 | 3 | 4 | 3 | 8 | 2 | |
1./3mean | 12 | 5 | 3 | 5 | 5 | 6 | 4 | 2 | 3 | 14 | 3 | 3 | 18 | 22 | 24 | 9 | |
2./3mean | 11 | 6 | 2 | 2 | 4 | 7 | 6 | 2 | 8 | 7 | 7 | 2 | 9 | 17 | 12 | 12 | |
3./3mean | 7 | 5 | 2 | 9 | 2 | 3 | 3 | 2 | 11 | 7 | 9 | 3 | 4 | 4 | 7 | 2 |
Note: Load, Flywheel load; sol, m. soleus; l.gas, m. gastrochnemius lateralis; bf, m. biceps femoris; semi, m. semimembranosus; vm, m. vastus medialis; vl, m. vastus lateralis; rf, m. ractus femoris; glut; m. gluteus maximus; EMGRMS, root-mean-square of the EMG signal, ICC2.k, Two-way random, average measures, absolute agreement Intra-class correlation coefficient model; concentric, propulsive part of the squat; eccentric, braking part of the squat; 1./3mean, 2./3mean, 3./3mean, mean EMG activity in the first (1./3mean), second (2./3mean) and third (3./3mean) part of vertical displacement length during the squat derived from the position-time data.