Changes in the activity of the muscles surrounding the neck according to the angles of movement of the neck in adults in their 20s

Lee, Tae‐Ho; Lee, Joon-Hyuk; Lee, Yun-Seob; Kim, Myoung-Kwon; Kim, Seong‐Gil

doi:10.1589/jpts.27.973

Cited by 16 publications

(18 citation statements)

References 13 publications

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“…In the same context, the facilitation of good craniocervical posture through CCF can affect lumbar alignment, thus increasing the abdominal muscle recruitment that is responsible for lumbar stabilization. This finding indicates that the joint or muscle state in one region of the human body can affect the muscles or joints of other regions of the body as well 6 , 16 ) . Incorrect postures, such as forward head posture, not only cause neck pain but also change spinal alignment and prevent efficient muscle recruitment that leads to the weakening of abdominal muscles.…”

Section: Discussionmentioning

confidence: 92%

“…TrA/IO and RA in the abdominal muscles had significant higher muscle activity in CCF than in CCE and neutral postures, while EO had higher muscle activity in CCF than in CCE. A study on the effect of lumbar spine adjustment on the craniocervical posture reported that a neutral posture of the lumbar spine influenced the cervical spine angle 16 ) . Falla et al also reported that muscle recruitment at the neck could be improved by performing neck exercise in a good lumbar posture 5 ) .…”

Section: Discussionmentioning

confidence: 99%

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Effect of craniocervical posture on abdominal muscle activities

Won

Hwangbo

2016

J Phys Ther Sci

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[Purpose] The aim of this study was to investigate the influence of the craniocervical posture on abdominal muscle activities in hook-lying position. [Subjects] This study recruited 12 healthy young adults. [Methods] Each subject was asked to adopt a supine position with the hip and knee flexed at 60°. Surface electromyographic signals of transversus abdominis/internal oblique, rectus abdominis, and external oblique in different craniocervical postures (extension, neutral, and flexion) were compared. [Results] The transversus abdominis and rectus abdominis showed increased muscle activities in craniocervical flexion compared to craniocervical extension and neutral position. Greater muscle activities of the external oblique were seen in craniocervical flexion than in craniocervical extension. [Conclusion] Craniocervical flexion was found to be effective to increase the abdominal muscle activities. Consideration of craniocervical posture is recommended when performing trunk stabilization exercises.

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Section: Discussionmentioning

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Effect of craniocervical posture on abdominal muscle activities

Won

Hwangbo

2016

J Phys Ther Sci

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“…A previous study reported that there Korean Physical Therapy are significant differences in SCM and CES muscle activity between 0°, 30°, and full of cervical flexion. 24 The possible reason of the different results would relatively low muscle activity level in smartphone watching task. In study of Lee et al 24 the muscle activity level of SCM (0°: 3.34%MVIC, 30°: 4.56%MVIC, full of cervical flexion:…”

Section: Discussionmentioning

confidence: 99%

“…24 The possible reason of the different results would relatively low muscle activity level in smartphone watching task. In study of Lee et al 24 the muscle activity level of SCM (0°: 3.34%MVIC, 30°: 4.56%MVIC, full of cervical flexion:…”

Section: Discussionmentioning

confidence: 99%

The Effect of Visual Feedback of Head Angles With Using a Mobile Posture-Aware System on Craniocervical Angle and Neck and Shoulder Muscles Fatigue During Watching the Smartphone

Kim¹,

Jeong²,

Yoon

2018

J Kor Phys Ther

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Purpose:To find the effect of visual feedback of head angle with using a mobile posture-aware system on craniocervical angle and neck and shoulder muscles fatigue for preventing or decreasing the forward head posture. Methods: Twenty-four healthy young adults in Chungbuk to participate in this study. The subjects started to watch a movie clip for 10 minutes with visual feedback in 0°, 30°, and 60° of head angles. During the task, surface electromyography (EMG) was used to collect data from the upper trapezius (UT), sternocleidomasetoid muscle (SCM), cervical erecter spinae (CES) during watching the smartphone. Craniocervical angles were measured using a sagittal-view photograph of the subject in a sitting posture. A one-way repeated analysis of variance with a significant level of 0.05 used for statistical analysis. Results: Craniocervical angle with 0° visual feedback was significantly greater than 30°and 60°. Craniocervical angle with 30° visual feedback was significantly greater than 60°. In addition, MDF of UT muscles in 0° and 30° of visual feedback was significantly greater than 60°. Conclusion: We concluded that 0° visual feedback of head angle with using a mobile posture-aware system would be beneficial to prevent or decrease forward head posture during watching a smartphone. We also could recommend using of 30° visual feedback in case of caring UT muscle fatigue primarily.

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“…A neck flexion position that causes neck pain could be a contributing factor to increased back pain, because the vertebral regions are connected to each other 6 ) . According to Lee et al 7 ) the activity of the SCM muscle increases as the neck flexion angle increases. Muscle activity of the superficial neck flexor is significantly increased in cervical pain during the neck stabilizing task; increased activity of the SCM could be compensatory for poor segmental stability of the deep muscles.…”

Section: Introductionmentioning

confidence: 97%

Effect of neck flexion restriction on sternocleidomastoid and abdominal muscle activity during curl-up exercises

2016

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[Purpose] The purpose of this study was to investigate the effect of neck flexion restriction on sternocleidomastoid (SCM), rectus abdominis (RA), and external oblique (EO) muscle activity during a traditional curl-up exercise and a curl-up with neck flexion restriction. [Subjects] In total, 13 healthy male subjects volunteered for this study. [Methods] All subjects performed a traditional curl-up exercise and a curl-up exercise in which neck flexion was restricted by the subject’s hand. Surface electromyography (EMG) signals were recorded from the SCM, RA, and EO during the curl-up. [Results] There was significantly lower EMG activity of the SCM during the curl-up exercise with neck flexion restriction compared to the traditional curl-up exercise. Conversely, the activity of the RA and EO muscles was significantly higher in the curl-up exercise with neck flexion restriction than in the traditional curl-up exercise. [Conclusion] Neck flexion restriction is recommended to prevent excessive activation of superficial cervical flexors during the curl-up exercise.

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Changes in the activity of the muscles surrounding the neck according to the angles of movement of the neck in adults in their 20s

Cited by 16 publications

References 13 publications

Effect of craniocervical posture on abdominal muscle activities

Effect of craniocervical posture on abdominal muscle activities

The Effect of Visual Feedback of Head Angles With Using a Mobile Posture-Aware System on Craniocervical Angle and Neck and Shoulder Muscles Fatigue During Watching the Smartphone

Effect of neck flexion restriction on sternocleidomastoid and abdominal muscle activity during curl-up exercises

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