Table 2: Mean peak joint angles and z-scores for each of five trials from the Vicon and Kinect.

Subject #

Joint motion

Leading arm (left)

Trailing arm (right)

Vicon

Kinect

Vicon

Kinect

Peak angle

z-score

Peak angle

z-score

Peak angle

z-score

Peak angle

z-score

1 shoulder flexion 24.71 (8.98) 0.85 (0.58) 20.63 (18.97) 0.92 (0.45) 40.18 (3.83) 0.93 (0.41) 45.38 (6.35) 0.86 (0.58)
extension -10.77 (4.28) 0.68 (0.82) -37.26 (9.68) 0.92 (0.43) -5.24 (4.63) 0.79 (0.68) -26.72 (5.61) 0.84 (0.61)
abduction 61.67 (5.27) 0.75 (0.75) 67.21 (18.7) 0.90 (0.50) 59.84 (4.47) 0.9 (0.48) 76.77 (4.04) 0.94 (0.39)
adduction 14.71 (2.83) 0.74 (0.75) 12.42 (3.84) 0.73 (0.77) 7.19 (5.99) 0.96 (0.31) 20.74 (12.35) 0.74 (0.75)
elbow flexion 61.64 (16.51) 0.92 (0.44) 53.52 (9.02) 0.87 (0.56) 68.74 (18.92) 0.74 (0.75) 45.91 (14.73) 0.9 (0.49)
extension 6.26 (3.33) 0.95 (0.34) -12.74 (20.46) 0.90 (0.48) -0.37 (2.52) 0.97 (0.29) -3.07 (2.90) 0.8 (0.67)
wrist flexion 81.83 (3.70) 0.96 (0.32) 48.87 (10.28) 0.88 (0.54) 52.31 (5.40) 0.91 (0.47) 32.88 (7.45) 0.84 (0.61)
extension -17.84 (11.29) 0.89 (0.52) -23.84 (25.87) 0.88 (0.53) -3.16 (9.94) 0.86 (0.57) -13.62 (10.36) 0.7 (0.80)
Trunk flexion 59.64 (2.56) 0.94 (0.38) 50.62 (10.94) 0.86 (0.57) - - - -
extension 12.16 (3.76) 0.81 (0.66) 1.13 (3.39) 0.77 (0.72) - - - -
rotation (CCW) 22.76 (5.54) 0.94 (0.38) 19.38 (4.76) 0.75 (0.74) - - - -
rotation (CC) -13.51 (4.48) 0.79 (0.68) -12.04 (4.91) 0.85 (0.58) - - - -
2 shoulder flexion 31.41 (3.46) 0.91 (0.47) 19.32 (5.00) 0.81 (0.65) 31.78 (4.75) 0.77 (0.72) 36.67 (4.49) 0.7 (0.80)
extension -1.47 (1.86) 0.79 (0.69) -39.96 (10.71) 0.88 (0.54) -9.48 (5.03) 0.83 (0.62) -7.09 (6.24) 0.74 (0.75)
abduction 58.39 (2.88) 0.78 (0.7) 71.34 (4.89) 0.88 (0.53) 57.99 (3.99) 0.82 (0.65) 67.88 (3.99) 0.86 (0.58)
adduction 8.78 (1.45) 0.84 (0.61) -0.21 (3.18) 0.95 (0.36) -4.75 (1.20) 0.88 (0.54) 8.82 (1.72) 0.94 (0.37)
elbow flexion 64.76 (3.99) 0.91 (0.46) 45.08 (1.85) 0.79 (0.69) 81.18 (5.64) 0.79 (0.69) 48.53 (5.66) 0.87 (0.56)
extension -0.16 (0.66) 0.91 (0.46) 6.61 (2.12) 0.69 (0.81) 1.05 (0.63) 0.84 (0.60) 1.93 (0.63) 0.79 (0.69)
wrist flexion 87.60 (2.15) 0.93 (0.4) 25.03 (11.38) 0.76 (0.73) 81.13 (3.04) 0.74 (0.75) 41.1 (12.86) 0.77 (0.72)
extension 2.11 (12.28) 0.88 (0.52) -17.91 (4.83) 0.75 (0.74) 13.32 (3.43) 0.86 (0.58) -4.02 (2.70) 0.79 (0.69)
Trunk flexion 41.89 (3.03) 0.81 (0.65) 20.05 (6.07) 0.77 (0.71) - - - -
extension 4.97 (0.99) 0.86 (0.57) -14.35 (1.05) 0.8 (0.67) - - - -
rotation (CCW) 26.86 (3.13) 0.95 (0.35) 29.39 (2.86) 0.91 (0.47) - - - -
rotation (CC) -5.20 (1.05) 0.8 (0.67) -0.72 (0.84) 0.92 (0.44) - - - -