Arthrodial Protractor
This device quickly and accurately measures the range of motion for all major joints of the body. Ideal for difficult-to-measure cervical rotation, lateral flexion of the head and anterior-posterior cervical flexion. It is durably constructed of one piece of clear acrylic plexi-glass and features a built-in leveling bubble to ensure accuracy. Degree markings are red and black for easy reading. Includes two 180? opposing scales in 5? increments. Latex free. 12"H x 18"W (30 x 46cm).
