Decreased neck muscle strength is highly associated with pain in cervical dystonia patients treated with botulinum toxin injections1 Arja Häkkinen, PhD, Jari Ylinen, MD, Mira Rinta-Keturi, MSc, Ulla Talvitie, PhD, Hannu Kautiainen, BA, Aimo Rissanen, MD, PhD Archives of Physical Medicine and Rehabilitation Volume 85, Issue 10, Pages 1684-1688 (October 2004) DOI: 10.1016/j.apmr.2003.12.039
Fig 1 Positioning of the subjects during the strength measurements in the isometric neck strength testing machine. The chest and waist were held with broad straps to eliminate contribution of the trunk musculature. Archives of Physical Medicine and Rehabilitation 2004 85, 1684-1688DOI: (10.1016/j.apmr.2003.12.039)
Fig 2 Difference between sides in neck rotation strength in patients with cervical dystonia and in healthy controls. NOTE. Circles show the mean and whiskers the 95% CIs. Archives of Physical Medicine and Rehabilitation 2004 85, 1684-1688DOI: (10.1016/j.apmr.2003.12.039)