Variation in the cervical range of motion over time measured by the "flock of birds" electromagnetic tracking system - Bergman, Gert J D; Knoester, Bianca; Assink, Nienke; Dijkstra, Pieter U; Winters, Jan C (Spine (Philadelphia, Pa. 1976), 2005)
Keywords: Adult; Cervical Vertebrae - physiology; Electromagnetic Phenomena - instrumentation; Electromagnetic Phenomena - methods; Female; Humans; Longitudinal Studies; Male; Middle Aged; Movement - physiology; Neck - physiology; Neck - physiopathology; Range of Motion, Articular; Reference Values; Reproducibility of Results; Shoulder - physiology; Shoulder - physiopathology