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. 2017 Feb 7;18:70. doi: 10.1186/s12891-017-1435-2

Fig. 2.

Fig. 2

Range of Movement (ROM) measurement during the internal and external rotation evaluation using the inertial sensors. a Placement of the sensors (the reference sensor between the scapulas, and the others in the arm and forearm) and representation of the calculation of the angle as the projection in the sagittal plane. b Analysis software. c Example of ROM-Time curve