HumanTrak Metrics: Shoulder Internal Rotation

Description: Start with Shoulder abducted 90°, Elbow flexed 90°, and Hand pointing forward Angle between horizontal and the Forearm segment Sagittal plane projection Forearm segment = Elbow to Wrist markers Horizontal forearm is 0° External Rotation = positive Example Usage: Understand shoulder range of motion during the Shoulder Internal/External Rotation Protocol