Table 8

Principal factors solution with promax rotation of the KVIQ-G 20
Subscale Movements KVIQ-G 20 items Pattern matrix Structure matrix Communality
Factor 1 Factor 2 Factor 1 Factor 2
Kin Shoulder shrugging 2 K 0.93 0.90 0.24 0.82
Knee extension 7Knd 0.90 0.87 0.23 0.85
Neck flexion / extension 1 K 0.87 0.86 0.31 0.77
Hip abduction 8 Kd 0.86 0.86 0.32 0.75
Thumb-fingers opposition 5 Kd 0.85 0.85 0.31 0.73
Foot tapping 9 Knd 0.84 0.86 0.33 0.78
Lift arm completely 3 Knd 0.82 0.84 0.34 0.75
Elbow flexion / extension 4 Kd 0.81 0.84 0.37 0.73
Forward trunk flexion 6 K 0.80 0.84 0.39 0.71
Foot external rotation 10 Kd 0.79 0.81 0.39 0.85
Vis Foot external rotation 10 Vd 0.91 0.28 0.87 0.86
Hip abduction 8 Vd 0.87 0.23 0.83 0.71
Elbow flexion / extension 4 Vd 0.86 0.34 0.86 0.78
Thumb-fingers opposition 5 Vd 0.84 0.35 0.85 0.73
Forward trunk flexion 6 V 0.80 0.27 0.79 0.63
Neck flexion / extension 1 V 0.78 0.40 0.82 0.69
Knee extension 7 Vnd 0.75 0.37 0.81 0.81
Foot tapping 9 Vnd 0.73 0.33 0.78 0.73
Shoulder shrugging 2 V 0.69 0.32 0.73 0.60
Lift arm completely 3 Vnd 0.68 0.34 0.74 0.76

Legend: Words in bold in the movement column indicate movements that belong to the short KVIQ-G version (KVIQ-G 10). KVIQ-G 20 = Kinaesthetic and Visual Imagery Questionnaire German version - long version (20 items), Vis = visual subscale, Kin = kinaesthetic subscale, d = dominant side of the body, nd = non-dominant side of the body.

Schuster et al.

Schuster et al. BMC Medical Research Methodology 2012 12:127   doi:10.1186/1471-2288-12-127

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