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Table 4 Free-Marginal kappa statistics of asymmetries; 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 novice - video vs. expert expert - video vs. expert Test-retest live
kappa agreement kappa agreement Kappa agreement Kappa agreement
Thoracic Mobility .33 (+) 66% .62 (+) 80% .62 (+) 80% .20 (o) 60%
Shoulder mobility .62 (+) 80% .90 (+) 95% .62 (+) 80% .30 (+) 65%
Inline Lunge .14 (o) 57% −.05 (−) 47% −.05 (−) 47% .20 (o) 60%
Hurdle step .52 (+) 76% −.24 (+) 38% .62 (+) 80% .70 (+) 85%
Pelvic stability .62 (+) 80% .14 (o) 57% .24 (+) 61% .50 (+) 75%
Rotary stability .24 (+) 61% .62 (+) 80% .14 (o) 57% .20 (o) 60%
Side plank −.24 (−) 38% −.14 (−) 42% −.05 (−) 47% −.10 (−) 45%