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