Measurement of cervical multifidus contraction pattern with ultrasound imaging

Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology
Jo-Ping LeeShwu-Fen Wang

Abstract

Deep muscle training has become the focus of research and exercise for patients with chronic neck pain. The objective of this in vivo study was to establish a non-invasive assessment tool for the activation of deep cervical muscles. The pattern of the change in the thickness of the cervical multifidus is described with a mathematical equation and used to compare the changes among different levels of resistance (0%, 25%, 50%, 75%, and 100%) and at different cervical levels (fourth, fifth, and sixth cervical (C4, C5, and C6) vertebrae). Twenty asymptomatic subjects (five women and 15 men; 24.3+/-4.7 years old) were recruited for this experiment. Ultrasonography (US) with synchronized force recording was used to measure the thickness of the cervical multifidus during progressive isometric extension against resistance. Linear and quadratic models were used to estimate the patterns of change in the thickness of cervical multifidus in relation to force. Two-way analysis of variance with repeated measurement and post hoc analysis were used to investigate the differences in thickness. The change in thickness and force was better fitted by quadratic model (y=ax(2)+bx+c) than by the linear model. The thickness at 50% of maximum contracti...Continue Reading

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Citations

Dec 23, 2009·The Journal of Orthopaedic and Sports Physical Therapy·Ya-Jung LinShwu-Fen Wang
Jun 10, 2011·The Journal of Orthopaedic and Sports Physical Therapy·Jackie L Whittaker, Maria Stokes
Apr 9, 2013·Journal of Bodywork and Movement Therapies·A RezasoltaniL Bakhshidarabad
Jun 28, 2016·PM & R : the Journal of Injury, Function, and Rehabilitation·Pardis NoormohammadpourRamin Kordi
Nov 11, 2016·IEEE Transactions on Medical Imaging·Ryan J CunninghamIan D Loram
Dec 4, 2016·European Journal of Applied Physiology·Angela V DieterichAntoine Nordez
Nov 15, 2020·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Brian A YoungJames M Elliott

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