Baseline Goniometer 12 360d Plastic Flexibility Rotation Testers 5 8 * Soft but durable Color:Yellow 5 8 * Soft but durable EVA provides shock absorption while protecting the cast from the elements * Unique bungee closure system is easy to use easy to adjust and prevents the heel from slipping out of the cast shoe * The low profile modern design will appeal to all patients A perfect tool to understand your body condition Clear transparent plastic permits observation of joint s axis of motion and its range of motion * The 360¯ head has three scales calibrated to be used with the ISOM (International Standards of Measurement STFR) system * One arm has a linear scale in inches and centimeters * Scale reads 1¯ increments