Versatility, Reliability, Accuracy and Portability are the advantages that make the Extendable Goniometer an innovative tool in the assessment of range of motion. Its arms can extend to 18” to measure large joints and retract to 4.5” to measure all but the smallest joints. Unlike standard goniometers that require the examiner to estimate alignment, the length of the extendable arms allows it to lie over anatomical bony landmarks.  The dual scale of 0o - 180o and 180o - 0o is magnified four times, improving the accuracy of the reading, thus, reducing the chance for error. The Extendable Goniometer is affordable, costing little more than standard goniometers. Its lightweight ABS plastic construction will ensure continued and long lasting use.

Extendable Goniometer Features: Dual Scale, 1 Degree Increments Extendable and Retractable Arms Magnified Reading Window Compact, Lightweight and Portable

Total collapsed length: 8"

Total extended length: 23 ½"

Housing diameter: 2 ½"

Thickness: 13/16"

Weight: 0.2 lbs.

Arm rotation: 360° (both directions) Resistance swivel

Lens magnification: 4X

Index dial: dual scale 0°-180° & 180° to 0° @ 1° increments

Housing: Gray ABS

Extendable arms: Chromium plated brass

Positioning see thru hole: 11/16" diameter

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