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Accessory Inspiratory Muscles in Chronic Neck Pain (AIM-CNP)

2026年8月21日 更新者：Sena Çınarlı、Kocaeli Sağlık ve Teknoloji Üniversitesi

Ultrasonographic Characteristics of Accessory Inspiratory Muscles and Their Relationship With Respiratory Function in Individuals With Chronic Non-Specific Neck Pain: A Cross-Sectional Case-Control Study

This cross-sectional case-control study aims to investigate the ultrasonographic structural and functional characteristics of accessory inspiratory muscles in individuals with chronic non-specific neck pain and compare them with healthy controls. In addition, the relationships between accessory inspiratory muscle characteristics, diaphragm function, respiratory muscle strength, and pulmonary function parameters will be examined. The findings may improve understanding of the respiratory involvement associated with chronic neck pain and contribute to more comprehensive assessment strategies.

調査の概要

状態

募集

条件

介入・治療

詳細な説明

Chronic non-specific neck pain is a prevalent musculoskeletal disorder associated with pain, disability, and reduced quality of life. Emerging evidence suggests that its effects may extend beyond the cervical region and involve respiratory dysfunction. Previous studies have reported reductions in respiratory muscle strength, pulmonary function, and diaphragm function in individuals with chronic neck pain.

The diaphragm plays an important role not only in respiration but also in postural control and spinal stabilization. Ultrasonographic studies have demonstrated alterations in diaphragm thickness and mobility in individuals with chronic neck pain. However, little is known about potential compensatory adaptations occurring in accessory inspiratory muscles, including the sternocleidomastoid, anterior scalene, and upper trapezius muscles.

The purpose of this observational case-control study is to investigate the ultrasonographic characteristics of accessory inspiratory muscles in individuals with chronic non-specific neck pain and to compare these characteristics with those of healthy controls. Additionally, the relationships between accessory inspiratory muscle characteristics, diaphragm function, respiratory muscle strength, and pulmonary function will be examined.

Participants with chronic non-specific neck pain and age-matched healthy controls will undergo ultrasonographic assessment of the diaphragm and accessory inspiratory muscles, pulmonary function testing, and respiratory muscle strength evaluation. Associations among ultrasonographic, respiratory, and functional variables will be analyzed to improve understanding of respiratory involvement in chronic neck pain and to identify potential clinical assessment targets.

研究の種類

観察的

入学 (推定)

10

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

研究場所

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人
  • 高齢者

健康ボランティアの受け入れ

はい

サンプリング方法

非確率サンプル

調査対象母集団

The study population will consist of adults aged 18 to 65 years. The case group will include individuals with chronic non-specific neck pain lasting at least 3 months, while the control group will consist of age-matched healthy volunteers without neck pain during the previous 3 months. Participants will be recruited from the Physical Medicine and Rehabilitation outpatient clinic and the surrounding community.

説明

Inclusion Criteria

Chronic Non-Specific Neck Pain Group:

  • Age between 18 and 65 years
  • Presence of chronic non-specific neck pain for at least 3 months
  • Non-traumatic origin of neck pain
  • Pain intensity ≥ 3 on the Numeric Pain Rating Scale (NPRS) or Visual Analog Scale (VAS)
  • Neck Disability Index (NDI) score ≥ 15
  • Willingness to participate and provide informed consent

Healthy Control Group:

  • Age between 18 and 65 years
  • No neck pain during the previous 3 months
  • Not receiving any treatment related to the cervical region
  • Willingness to participate and provide informed consent

Exclusion Criteria (Both Groups):

  • History of whiplash injury or cervical trauma
  • Previous cervical spine surgery
  • Cervical radiculopathy or neurological deficits
  • Chronic respiratory diseases (e.g., COPD, asthma)
  • Active respiratory tract infection
  • Thoracic or abdominal surgery within the previous 6 months
  • Rheumatologic, neuromuscular, or systemic inflammatory disorders
  • Pregnancy
  • Physiotherapy treatment for neck pain within the previous 3 months
  • Regular respiratory muscle training or breathing exercises within the previous 3 months
  • Inability to comply with study procedures or assessments

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

コホートと介入

グループ/コホート
介入・治療
Chronic Non-Specific Neck Pain
Participants aged 18-65 years with chronic non-specific neck pain lasting at least 3 months.
診断テスト：Diaphragm Ultrasonography
Diaphragm thickness was assessed by ultrasonography while the participant was in a standardized position. Measurements were obtained at the end of expiration and during maximal inspiration.
診断テスト：Anterior Scalene Muscle Ultrasonography
Anterior scalene muscle thickness was assessed by ultrasonography while the participant was in a standardized position. Measurements were obtained at rest and during maximal inspiratory effort.
診断テスト：Upper Trapezius Muscle Ultrasonography
Upper trapezius muscle thickness was assessed by ultrasonography while the participant was in a standardized position. Measurements were obtained at rest and during maximal inspiratory effort.
デバイス：Maximal Inspiratory Pressure Measurement
Maximal inspiratory pressure was measured using a respiratory pressure measurement device. The participant performed a maximal inspiratory effort against an occluded airway after complete expiration. Repeated measurements were performed with appropriate rest intervals.
デバイス：Maximal Expiratory Pressure Measurement
Maximal expiratory pressure was measured using a respiratory pressure measurement device. The participant performed a maximal expiratory effort against an occluded airway after maximal inspiration. Repeated measurements were performed with appropriate rest intervals.
デバイス：Pulmonary Function Testing
Pulmonary function testing was performed using spirometry while the participant was in a standardized seated position. The participant completed maximal forced expiratory maneuvers following standardized instructions, and technically acceptable measurements were recorded.
Healthy Control
Age-matched healthy individuals without neck pain during the previous 3 months.
診断テスト：Diaphragm Ultrasonography
Diaphragm thickness was assessed by ultrasonography while the participant was in a standardized position. Measurements were obtained at the end of expiration and during maximal inspiration.
診断テスト：Anterior Scalene Muscle Ultrasonography
Anterior scalene muscle thickness was assessed by ultrasonography while the participant was in a standardized position. Measurements were obtained at rest and during maximal inspiratory effort.
診断テスト：Upper Trapezius Muscle Ultrasonography
Upper trapezius muscle thickness was assessed by ultrasonography while the participant was in a standardized position. Measurements were obtained at rest and during maximal inspiratory effort.
デバイス：Maximal Inspiratory Pressure Measurement
Maximal inspiratory pressure was measured using a respiratory pressure measurement device. The participant performed a maximal inspiratory effort against an occluded airway after complete expiration. Repeated measurements were performed with appropriate rest intervals.
デバイス：Maximal Expiratory Pressure Measurement
Maximal expiratory pressure was measured using a respiratory pressure measurement device. The participant performed a maximal expiratory effort against an occluded airway after maximal inspiration. Repeated measurements were performed with appropriate rest intervals.
デバイス：Pulmonary Function Testing
Pulmonary function testing was performed using spirometry while the participant was in a standardized seated position. The participant completed maximal forced expiratory maneuvers following standardized instructions, and technically acceptable measurements were recorded.

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Diaphragm Thickening Ratio
時間枠：Baseline
Diaphragm thickening ratio measured using ultrasonography.
Baseline
Sternocleidomastoid Muscle Thickness
時間枠：Baseline
Sternocleidomastoid muscle thickness measured using ultrasonography.
Baseline

二次結果の測定

結果測定
メジャーの説明
時間枠
Anterior Scalene Muscle Thickness
時間枠：Baseline
Anterior scalene muscle thickness measured using ultrasonography.
Baseline
Upper Trapezius Muscle Thickness
時間枠：Baseline
Upper trapezius muscle thickness measured using ultrasonography.
Baseline
Maximal Inspiratory Pressure (MIP)
時間枠：Baseline
Maximal inspiratory pressure will be measured using a respiratory pressure measurement device. Participants will perform a maximal inspiratory effort against an occluded airway after complete expiration. The highest technically acceptable value will be recorded in cmH₂O. Higher values indicate greater inspiratory muscle strength.
Baseline
Forced Vital Capacity (L)
時間枠：Baseline
Forced vital capacity will be measured using spirometry during a maximal forced expiratory maneuver performed after maximal inspiration.
Baseline
Maximal Expiratory Pressure (MEP)
時間枠：Baseline
Maximal expiratory pressure will be measured using a respiratory pressure measurement device. Participants will perform a maximal expiratory effort against an occluded airway after maximal inspiration. The highest technically acceptable value will be recorded in cmH₂O. Higher values indicate greater expiratory muscle strength.
Baseline
Forced Expiratory Volume in 1 Second (L)
時間枠：Baseline
Forced expiratory volume in the first second will be measured using spirometry during a maximal forced expiratory maneuver performed after maximal inspiration.
Baseline
FEV1/FVC Ratio (%)
時間枠：Baseline
The ratio of forced expiratory volume in the first second to forced vital capacity will be determined from spirometry measurements.
Baseline
Peak Expiratory Flow (L/sn)
時間枠：Baseline
Peak expiratory flow will be measured using spirometry during a maximal forced expiratory maneuver performed after maximal inspiration.
Baseline
Forced Expiratory Flow at 25-75%
時間枠：Baseline
Forced expiratory flow during the middle 50% of the forced vital capacity maneuver will be measured using spirometry.
Baseline

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Kocaeli Sağlık ve Teknoloji Üniversitesi

出版物と役立つリンク

研究に関する情報を入力する責任者は、自発的にこれらの出版物を提供します。これらは、研究に関連するあらゆるものに関するものである可能性があります。

一般刊行物

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2026年6月10日

一次修了 (推定)

2026年9月1日

研究の完了 (推定)

2026年12月1日

試験登録日

最初に提出

2026年6月20日

QC基準を満たした最初の提出物

2026年8月21日

最初の投稿 (実際)

2026年8月24日

学習記録の更新

投稿された最後の更新 (実際)

2026年8月24日

QC基準を満たした最後の更新が送信されました

2026年8月21日

最終確認日

2026年7月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • KOSTU-26-USG

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

IPD プランの説明

Individual participant data will not be made publicly available because the study involves sensitive health-related information and participant confidentiality cannot be fully guaranteed despite de-identification procedures. Aggregate study findings will be reported in scientific publications.

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米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

いいえ

この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。

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