Research Article

The Effect of Dopaminergic Medication on Joint Kinematics during Haptic Movements in Individuals with Parkinson’s Disease

Table 3

Correlation coefficients between curvature values and joint angles in each group.

Correlation coefficient (r)
ControlPD-ONPD-OFF

rShoAbd0.04 ± 0.21−0.12 ± 0.32−0.13 ± 0.29
rShoFlex0.28 ± 0.160.27 ± 0.170.17 ± 0.23
rElbFlex−0.30 ± 0.10−0.29 ± 0.09−0.33 ± 0.11

Note: there were significant differences () between each correlation coefficient within each group. ElbFlex: elbow flexion; PD-OFF: Parkinson’s disease in the OFF state; PD-ON: Parkinson’s disease in the ON state; ShoAbd: shoulder abduction; ShoFlex: shoulder flexion.