The pocket goniometer is an inexpensive clear plastic goniometer with a linear scale.
This clear plastic goniometer has a 20cm linear scale calibrated in cm and 0 to 360° per 2°.
Clear 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 ISOM (International Standard Of Measurements, STFR) system.
15cm Goniometer 20cm Goniometer 30cm Goniometer