Figure 4From: Towards the development of a wearable feedback system for monitoring the activities of the upper-extremitiesClasses definition for drinking task postures. (A) Class 1 - Relax; (B) Class 2–90 deg Elbow Flexion; (C) Class 3 - Fingers Extension; (D) Class 4 – Soft Grasp; (E) Class 5 – 120 deg Elbow Flexion; (F) Class 6 – Wrist Pronation.Back to article page