Cervical sensorimotor control (cSMC) is the system providing functional stability of the cervical spine. This system comprises the afferent information from the cervical structures, visual and vestibular system, together with the efferent information from the central nervous system and the central integration and processing.
CSMC can be measured using several parameters. The position sense is the best known parameter, but as sensorimotor control also includes the feedback and feed forward mechanisms during the entire movement trajectory, the content validity of this test can be questioned. To quantify altered sensorimotor functions during movements, several kinematic parameters are used. In relation to cervical spine disorders, reduced range of motion (ROM), altered activation patterns of cervical muscles, reduced maximal velocity and movement smoothness are registered during cervical voluntary movements.
Several types of 3D measuring devices can be used to capture kinematic parameters during movement. In M²OCEAN, a passive optical motion capture system, VICON®, is used. This system is immune to interference from equipment or metal objects and the free line of sight needed, is guaranteed, because 8 cameras are used.