Experimental jaw-muscle pain has a differential effect on different jaw movement tasks

• Published in: Journal of orofacial pain Vol. 22; no. 1; p. 15
• Main Authors: Sae-Lee, Daraporn, Whittle, Terry, Peck, Chris C, Forte, Anna R C, Klineberg, Iven J, Murray, Greg M
• Format: Journal Article
• Language: English
• Published: United States 01.12.2008
• Subjects: Adult; Electromyography; Facial Pain - physiopathology; Female; Humans; Injections, Intramuscular; Isotonic Solutions - administration & dosage; Male; Mandible - physiopathology; Masseter Muscle - physiopathology; Mastication - physiology; Masticatory Muscles - physiopathology; Movement; Muscle Contraction - physiology; Pain Measurement; Pain, Referred - physiopathology; Range of Motion, Articular - physiology; Saline Solution, Hypertonic - administration & dosage; Sodium Chloride - administration & dosage; Temporomandibular Joint - physiopathology; Time Factors

To determine the effects of experimental jaw-muscle pain on jaw movements. Mandibular mid-incisor point was tracked in 22 asymptomatic subjects during standardized (at 2.2 mm/s) protrusion, contralateral excursion, and open jaw movements, as well as free, right-sided chewing and chewing standardized...