Table 1.

Description of the Gestures That Define the Workspace Considered Along with the Notation Used to Refer Them

Gesture notation	Description
Abduction	Abduction/adduction of the shoulder until the arm reaches a 120° inclination
Flexion	Flexion/extension of the shoulder from 0° to 120°
Horizontal abduction	Horizontal displacement of the arm at 90° flexion, hand crosses sagittal plane till shoulder reaches a 30° displacement
Closing drill	Swing drill motion of the shoulder from 0° to 120°
Opening drill	Same swing drill motion than closing drill but starting with a flexion of 120°