Goniometer 12 Absolute+Axis Eye Ear Care Products allowing you to recognize and MSHQ WA11730 allowing you to recognize and boost speech over background noise and manually adjust the volume depending on the environment you're in ProBasics Deluxe Aluminum Rollator with 8 inch Wheels Burgundy Finish 300 lb Weight Capacity 12 ABSOLUTE + AXIS * 1 EACH * The Absolute+Axis (AA) goniometer removes the assume and eyeball by establishing a true vertical or horizontal * The Absolute+Axis (AA) goniometer removes measurement variability and allows the practitioner to concentrate on correct placement of the other goniometer arm and the patient s body position * The integral absolute vertical and horizontal levels are permanently incorporated into both the AA Baseline (2 color) 12 inch and Baseline© * Some measurements the AA goniometer is designed to improve are: shoulder and hip rotation (internal external) cervical flexion extension rotation and side bending hamstring flexibility