Antonio Poser, Raul Ballarin, Pietro Piu, Davide Venturin, Giuseppe Plebani, Alex Rossi


Painful shoulder is a common disorder: approximately the 1% of adult subjects consults their physician about this issue and its prevalence among musculoskeletal disorders only follows that of the low back pain. Shoulder pathologies present themselves through pain, as well as through the loss of the joint movement and the decrease in muscular strength. The evaluation of the range of motion is an important part of the objective examination.

Scientific literature reports numerous studies in which the reliability of the measurements of the glenohumeral range of motion has been evaluated, but only one among them has been carried out in a clinical setting.

This study aims at evaluating, in a simulated clinical setting, the intra and inter-examiner reliability of the measurement, carried out with a digital inclinometer, of the movements of abduction, internal rotation, external rotation at 90° of shoulder abduction, horizontal adduction (transthoracic) of the glenohumeral.

From the results, it is possible to state that the measurements of the range of motion of the gleno-humeral, proved to be reliable and precise if carried out by the same examiner. Moreover, in the case of a patient evaluated by a different examiner during the treatment, it must be considered that the reliability of the measurements relative to the abduction and horizontal adduction is too low.


ROM, shoulder, Inclinometer, reliability

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