Table 2.
Reliability of peak isometric force across isometric squat positions (n = 17).
| Peak Force (N) | ||||
|---|---|---|---|---|
| Day 1 [Mean (SD)] | Day 2 [Mean (SD)] | Difference (Day 2–Day 1) Mean [LLOA, ULOA] |
||
| ISq120 | 1259 (525) a,b | 1197 (467) a,b | −63 [−142, 17] | |
| ISq90 | 919 (287) c,b | 848 (288) c | −50 [−120, 21] | |
| ISq65 | 820 (205) c,a | 826 (233) c | 6 [−53, 66] | |
| Test-Retest Reliability | ||||
| CV [Mean (SD)] | ICC [95% CI] | TE (N) | TE (%) | |
| ISq120 | 7.3 (4.3) | 0.969 [0.914, 0.989] | 118 | 10.5 |
| ISq90 | 8.9 (6.7) | 0.892 [0.702, 0.961] | 117 | 14.2 |
| ISq65 | 9.6 (9.3) | 0.916 [0.766, 0.970] | 83 | 11.0 |
LLOA = Lower limits of agreement, ULOA = Upper limits of agreement, CV = Coefficient of variation, ICC = Intraclass correlation coefficient, 95% CI = 95% confidence interval, TE = Typical error, a = significantly different (p < 0.05) from ISq90, b = significantly different from ISq65, c = significantly different from ISq120.