Table 1 Intraclass reliabilities (single trial) with 95% confidence intervals, standard error of measurement and minimal detectable change for all measured variables.
| Variable |
Men |
Women |
| |
ICC |
.95 CI |
SEM |
MDC |
ICC |
.95 CI |
SEM |
MDC |
| Sit-and-reach test |
| Thoracic |
.92 |
.91-.94 |
2.3 |
6 |
.93 |
.92-.94 |
4.0 |
11 |
| Lumbar |
.90 |
.88-.93 |
2.5 |
7 |
.90 |
.89-.93 |
2.5 |
7 |
| Pelvic |
.94 |
.90-.96 |
2.2 |
6 |
.93 |
.90-.96 |
3.4 |
9 |
| Forward reach score |
.97 |
.96-.98 |
1.4 |
4 |
.98 |
.97-.99 |
1.3 |
4 |
| Back-saver-sit-and-reach right |
| Thoracic |
.91 |
.89-.93 |
2.7 |
7 |
.93 |
.91-.95 |
3.2 |
9 |
| Lumbar |
.89 |
.84-.93 |
2.6 |
7 |
.91 |
.89-.93 |
2.1 |
6 |
| Pelvic |
.93 |
.90-.95 |
2.4 |
7 |
.92 |
.89-.94 |
3.3 |
9 |
| Forward reach score |
.97 |
.96-.98 |
1.2 |
3 |
.97 |
.96-.98 |
1.4 |
4 |
| Back-saver-sit-and-reach left |
| Thoracic |
.92 |
.91-.94 |
2.3 |
6 |
.94 |
.93-.96 |
2.7 |
7 |
| Lumbar |
.90 |
.88-.91 |
2.5 |
7 |
.93 |
.89-.96 |
2.4 |
7 |
| Pelvic |
.92 |
.89-.94 |
2.5 |
7 |
.94 |
.90-.96 |
2.7 |
7 |
| Forward reach score |
.96 |
.93-.98 |
1.4 |
4 |
.97 |
.95-.98 |
1.4 |
4 |
| Passive straight leg raise |
| Right |
.90 |
.87-.92 |
2.8 |
8 |
.93 |
.90-.95 |
4.0 |
11 |
| Left |
.91 |
.88-.93 |
3.0 |
8 |
.91 |
.88-.93 |
4.2 |
12 |
ICC: intraclass coefficient correlation; MDC: minimal detectable change; SEM: standard error of measurement
