Differences in cervical multifidus muscle thickness during isometric contraction of shoulder muscles: a comparison between patients with chronic neck pain and healthy controls

Journal of Manipulative and Physiological Therapeutics
Leila RahnamaAlireza Akbarzadeh Baghban

Abstract

The purposes of this study were to (1) measure the thickness of cervical multifidus muscle (CMM) in different maximal voluntary contraction percentages of isometric contraction of shoulder muscles, (2) evaluate the differences of the CMM thickness in different directions of the shoulder movement, and (3) compare the changes in the CMM thickness of participants with neck pain and also of healthy individuals. Twenty healthy men (age, 27.45 ± 4.37 years; height, 177 ± 4.66 cm; weight, 72.85 ± 6.46 kg) and 20 men with chronic mechanical neck pain (age, 28.90 ± 5.53 years; height, 176 ± 5.98 cm; weight, 73.15 ± 7.82 kg) participated in the study. Both the right and left CMM thicknesses were measured using an ultrasound device while participants performed isometric contraction of shoulder muscles in 6 movement directions. In both groups, an increment of CMM thickness followed as the increase of isometric force (P < .01).The increase of muscle thickness of healthy participants was substantially more than the chronic mechanical neck pain participants (P = .03). Although no significant difference of CMM thickness was seen among the effects of the 6 force directions (P > .05), there was a significant difference of activity noted between ...Continue Reading

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Citations

Aug 16, 2018·Physiotherapy Research International : the Journal for Researchers and Clinicians in Physical Therapy·Rafaela Maria da SilvaAlmir Vieira Dibai-Filho
Aug 30, 2019·American Journal of Physical Medicine & Rehabilitation·Amir Hossein KahlaeeAmir Massoud Arab
Sep 14, 2017·BMC Musculoskeletal Disorders·Judith E GoldSayed Ali
Aug 2, 2017·Annals of Saudi Medicine·Pejana RastovicMaja Pandza

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