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Table 3 Weighted-kappa statistics of single items; k > 0.2 = (+), 0.2 > k > 0 = (o), k < 0 = (−)

From: Functional movement analysis in patients with chronic nonspecific low back pain: a reliability and validity study

Items novice (live) vs. expert (video) novice (video) vs. expert (video) expert (video) vs. expert (video)
kappa agreement kappa agreement Kappa agreement
Thoracic Mobility .90 (+) 76% .88 (+) 71% .91 (+) 81%
Shoulder mobility .87 (+) 81% .83 (+) 76% .86 (+) 81%
Squat .34 (+) 38% .40 (+) 38% .41 (+) 52%
Inline Lunge .51 (+) 33% .34 (+) 19% .63 (+) 47%
Hurdle step .75 (+) 43% .57 (+) 31% .79 (+) 71%
Forward bending .61 (+) 29% .50 (+) 24% .65(+) 57%
Pelvic stability .69 (+) 62% .49 (+) 38% .10 (o) 29%
Rotary stability .10 (o) 38% .45 (+) 33% .14 (o) 38%
Side plank .37 (+) 19% .36 (+) 33% .39 (+) 28%
Push-Up .66 (+) 38% .74 (+) 52% .91 (+) 81%
Pull-Up .73 (+) 67% .62 (+) 43% .58 (+) 38%