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Table 3 Mean errors and standard deviations ([cm]) between the trochlea position computed via F and by the reconstruction done by the optical system (five individuals, three trials). Test points are spanned by θ=θ arm and ψ=ψ arm

From: A bi-articular model for scapular-humeral rhythm reconstruction through data from wearable sensors

θψ 10° 20° 30° 40° 50° 60° 70° 80°
20° 0.4±0.6 0.4±0.3 0.7±0.4 0.8±0.3 0.5±0.2 0.7±0.3 0.5±0.4 0.5±0.2
40° 0.9±0.4 .9±0.5 0.8±0.3 1.1±0.3 0.8±0.3 0.6±0.4 0.7±0.4 0.6±0.5
60° 0.8±0.5 0.8±0.7 1.3±0.6 1.2±0.5 1.1±0.4 0.8±0.3 0.7±0.4 0.9±0.6
80° 0.7±0.2 1.1±1.1 1.2±0.5 1.5±0.7 1.3±0.5 1.1±0.7 1.0±0.7 1.1±0.7
100° 1.1±1.1 1.4±0.9 1.4±0.5 1.6±0.8 1.7±0.9 1.2±0.4 1.1±0.8 1.0±0.7
120° 1.4±0.4 1.5±1.1 1.6±1.0 1.8±0.8 1.6±1.0 1.5±1.0 1.2±0.7 1.2±0.8