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