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Table 2 Average errors and standard deviations of the socket-ball estimation as a function of the abduction angle (tests on five subjects, five times)

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

Abbuction angle Error [cm]
1.0±0.3
20° 3.1±0.6
40° 4.2±0.9
60° 7.8±1.2
80° 7.9±2.0
100° 9.8±1.3
120° 10.2±0.6