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Table 1 Space state of VC state transition

From: A low-cost virtual coach for 2D video-based compensation assessment of upper extremity rehabilitation exercises

State space \(\mathcal {S}\) Description
Out (o) Patient not placed in the correct position
In (i) Patient placed in the correct position
Exercise (e) Exercise and movement trial beginning
Normal (n) Normal movement pattern
\(Trunk \text { } rotation\) (tr) Patient rotates the torso
\(Shoulder \text { } elevation\) (se) Patient elevates the shoulder
\(Trunk \text { } displacement\) (td) Patient displaces the torso
Target (tg) Patient reaches the target position