Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder Pain
<i>Background and Objectives:</i> No studies have reported corrugator muscle activity associated with pain in people with pain. This study aimed to develop an objective pain assessment method using corrugator muscle activity with pressure pain stimulation to the skeletal muscle. <i>...
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MDPI AG
2024-01-01
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| Series: | Medicina |
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| Online Access: | https://www.mdpi.com/1648-9144/60/2/223 |
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| author | Takahiro Yamada Hiroyoshi Yajima Miho Takayama Konomi Imanishi Nobuari Takakura |
| author_facet | Takahiro Yamada Hiroyoshi Yajima Miho Takayama Konomi Imanishi Nobuari Takakura |
| author_sort | Takahiro Yamada |
| collection | DOAJ |
| description | <i>Background and Objectives:</i> No studies have reported corrugator muscle activity associated with pain in people with pain. This study aimed to develop an objective pain assessment method using corrugator muscle activity with pressure pain stimulation to the skeletal muscle. <i>Methods:</i> Participants were 20 adults (a mean ± SD age of 22.0 ± 3.1 years) with chronic neck/shoulder pain. Surface electromyography (sEMG) of corrugator muscle activity at rest (baseline) and without and with pressure pain stimulation applied to the most painful tender point in the shoulder was recorded. Participants evaluated the intensity of the neck/shoulder pain and the sensory and affective components of pain with pressure stimulation using a visual analogue scale (VAS). The percentages of integrated sEMG (% corrugator activity) without and with pressure pain stimulation to the baseline integrated sEMG were compared, and the relationships between the % corrugator activity and the sensory and affective components of pain VAS scores were evaluated. <i>Results:</i> Without pressure stimulation, an increase in corrugator muscle activity due to chronic neck/shoulder pain was not observed. The % corrugator activity with pressure pain stimulation was significantly higher than that without stimulation (<i>p</i> < 0.01). A significant positive correlation between corrugator muscle activity and the affective components of pain VAS scores with pressure stimulation was found (ρ = 0.465, <i>p</i> = 0.039) and a tendency of positive correlation was found for the sensory component of pain VAS scores (ρ = 0.423, <i>p</i> = 0.063). <i>Conclusions:</i> The increase in corrugator muscle activity with pressure pain stimulation to the tender point in adults with chronic neck/shoulder pain was observed, although increased corrugator muscle activity resulting from the chronic neck/shoulder pain was not. These findings suggest that corrugator muscle activity with pressure pain stimulation can be a useful objective indication for tender point sensitivity assessment in the skeletal muscle with pain. |
| first_indexed | 2024-03-07T22:22:25Z |
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| issn | 1010-660X 1648-9144 |
| language | English |
| last_indexed | 2024-03-07T22:22:25Z |
| publishDate | 2024-01-01 |
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| series | Medicina |
| spelling | doaj.art-00e52f10516c418e901a1898eb010bcc2024-02-23T15:26:28ZengMDPI AGMedicina1010-660X1648-91442024-01-0160222310.3390/medicina60020223Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder PainTakahiro Yamada0Hiroyoshi Yajima1Miho Takayama2Konomi Imanishi3Nobuari Takakura4Department of Acupuncture and Moxibustion, Tokyo Ariake University of Medical and Health Sciences, Tokyo 135-0063, JapanDepartment of Acupuncture and Moxibustion, Tokyo Ariake University of Medical and Health Sciences, Tokyo 135-0063, JapanDepartment of Acupuncture and Moxibustion, Tokyo Ariake University of Medical and Health Sciences, Tokyo 135-0063, JapanDepartment of Acupuncture and Moxibustion, Tokyo Ariake University of Medical and Health Sciences, Tokyo 135-0063, JapanDepartment of Acupuncture and Moxibustion, Tokyo Ariake University of Medical and Health Sciences, Tokyo 135-0063, Japan<i>Background and Objectives:</i> No studies have reported corrugator muscle activity associated with pain in people with pain. This study aimed to develop an objective pain assessment method using corrugator muscle activity with pressure pain stimulation to the skeletal muscle. <i>Methods:</i> Participants were 20 adults (a mean ± SD age of 22.0 ± 3.1 years) with chronic neck/shoulder pain. Surface electromyography (sEMG) of corrugator muscle activity at rest (baseline) and without and with pressure pain stimulation applied to the most painful tender point in the shoulder was recorded. Participants evaluated the intensity of the neck/shoulder pain and the sensory and affective components of pain with pressure stimulation using a visual analogue scale (VAS). The percentages of integrated sEMG (% corrugator activity) without and with pressure pain stimulation to the baseline integrated sEMG were compared, and the relationships between the % corrugator activity and the sensory and affective components of pain VAS scores were evaluated. <i>Results:</i> Without pressure stimulation, an increase in corrugator muscle activity due to chronic neck/shoulder pain was not observed. The % corrugator activity with pressure pain stimulation was significantly higher than that without stimulation (<i>p</i> < 0.01). A significant positive correlation between corrugator muscle activity and the affective components of pain VAS scores with pressure stimulation was found (ρ = 0.465, <i>p</i> = 0.039) and a tendency of positive correlation was found for the sensory component of pain VAS scores (ρ = 0.423, <i>p</i> = 0.063). <i>Conclusions:</i> The increase in corrugator muscle activity with pressure pain stimulation to the tender point in adults with chronic neck/shoulder pain was observed, although increased corrugator muscle activity resulting from the chronic neck/shoulder pain was not. These findings suggest that corrugator muscle activity with pressure pain stimulation can be a useful objective indication for tender point sensitivity assessment in the skeletal muscle with pain.https://www.mdpi.com/1648-9144/60/2/223painneck/shoulder painpain assessmentpressure paincorrugator musclefacial expression |
| spellingShingle | Takahiro Yamada Hiroyoshi Yajima Miho Takayama Konomi Imanishi Nobuari Takakura Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder Pain Medicina pain neck/shoulder pain pain assessment pressure pain corrugator muscle facial expression |
| title | Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder Pain |
| title_full | Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder Pain |
| title_fullStr | Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder Pain |
| title_full_unstemmed | Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder Pain |
| title_short | Corrugator Muscle Activity Associated with Pressure Pain in Adults with Neck/Shoulder Pain |
| title_sort | corrugator muscle activity associated with pressure pain in adults with neck shoulder pain |
| topic | pain neck/shoulder pain pain assessment pressure pain corrugator muscle facial expression |
| url | https://www.mdpi.com/1648-9144/60/2/223 |
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