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Immediate Effect of Lumbar Mobilization on Paraspinal Muscle Stiffness

2026년 9월 11일 업데이트: Žiga Kozinc, University of Primorska

Immediate Effect of Maitland Grade III++ Central Posteroanterior Mobilization on Erector Spinae and Multifidus Muscle Stiffness in Healthy Adults: A Randomized Crossover Trial

This randomized controlled crossover study will investigate the immediate effect of central posteroanterior lumbar mobilization on the intrinsic stiffness of the erector spinae and multifidus muscles in healthy adults without low back pain. Twenty-four participants will complete two experimental visits in randomized order. During one visit, participants will receive Maitland Grade III++ central posteroanterior mobilization at the L4 vertebral level, while during the other visit they will receive a sham mobilization condition involving gentle rhythmic pressure. Muscle stiffness will be assessed using shear wave elastography immediately before and after each intervention.

연구 개요

상태

모병

정황

개입 / 치료

상세 설명

The study will be designed as a randomized controlled crossover trial to investigate the immediate effects of manual spinal mobilization on lumbar paraspinal muscle stiffness in healthy adults without low back pain. Each participant will attend two separate study visits and will receive both experimental conditions in a randomized order.

In the experimental condition, Maitland Grade III++ central posteroanterior mobilization will be applied over the spinous process of L4. The intervention will consist of three 60-second sets of passive rhythmic oscillatory pressures performed at approximately 2 Hz, with 30-second rest periods between sets. In the control condition, participants will receive a sham mobilization presented as a Grade I mobilization technique. The sham intervention will follow the same timing structure but will consist of gentle rhythmic pressure over the L4 spinous process.

Intrinsic muscle stiffness of the right erector spinae and multifidus muscles will be assessed using shear wave elastography. Three measurements will be obtained immediately before and after each intervention, and the mean value will be expressed in kilopascals. Measurements will be performed in a standardized prone position at the L4-L5 level.

연구 유형

중재적

등록 (추정된)

25

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 장소

  • 슬로베니아
      • Izola, 슬로베니아, 6310
        • 모병
        • University of Primorska, Faculty of Health Sciences, Izola
        • 연락하다:

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인

건강한 자원 봉사자를 받아들입니다

예

설명

Inclusion Criteria:

  • Men and women aged 21 to 38 years.
  • Resident of the Republic of Slovenia.
  • No current low back pain.
  • No contraindications to lumbar manual mobilization.
  • Ability to assume and maintain the required prone testing position.
  • Provision of written informed consent.

Exclusion Criteria:

  • Current low back pain.
  • Spondylolisthesis.
  • Severe osteoporosis.
  • Spinal stenosis.
  • Lumboischialgia or other significant structural spinal deformity.
  • Fibromyalgia.
  • Recent spinal surgery or lumbar spinal fixation.
  • Cauda equina syndrome.
  • Nerve root compression associated with neurological deficits.
  • Malignancy.
  • Recent relevant trauma.
  • Joint instability.
  • Active rheumatoid arthritis.
  • Acute local or systemic infection.
  • Long-term local corticosteroid use.
  • Inability to assume or maintain the required testing position.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 기초 과학
  • 할당: 무작위
  • 중재 모델: 크로스오버 할당
  • 마스킹: 하나의

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Mobilization-Sham Sequence
Participants receive Maitland Grade III++ central posteroanterior mobilization during the first study visit and sham mobilization during the second study visit.
절차: Maitland Grade III++ Central Posteroanterior Mobilization
Central posteroanterior mobilization is applied over the L4 spinous process with the participant in a prone position. The intervention consists of three 60-second sets of passive rhythmic oscillatory pressures performed at approximately 2 Hz, with 30-second rest periods between sets, resulting in approximately 360 oscillatory pressures in total.
절차: Sham Lumbar Mobilization
Sham mobilization is applied over the L4 spinous process with the participant in a prone position. The procedure consists of three 60-second sets of gentle rhythmic pressures with 30-second rest periods between sets. The timing and therapist contact are matched to the experimental condition, while substantial mobilization pressure is avoided.
활성 비교기: Sham-Mobilization Sequence
Participants receive sham mobilization during the first study visit and Maitland Grade III++ central posteroanterior mobilization during the second study visit.
절차: Maitland Grade III++ Central Posteroanterior Mobilization
Central posteroanterior mobilization is applied over the L4 spinous process with the participant in a prone position. The intervention consists of three 60-second sets of passive rhythmic oscillatory pressures performed at approximately 2 Hz, with 30-second rest periods between sets, resulting in approximately 360 oscillatory pressures in total.
절차: Sham Lumbar Mobilization
Sham mobilization is applied over the L4 spinous process with the participant in a prone position. The procedure consists of three 60-second sets of gentle rhythmic pressures with 30-second rest periods between sets. The timing and therapist contact are matched to the experimental condition, while substantial mobilization pressure is avoided.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Change in Erector Spinae Muscle Stiffness
기간: Immediately before and immediately after each intervention session
Intrinsic stiffness of the right erector spinae muscle is assessed using shear wave elastography and expressed as shear modulus in kilopascals (kPa). Three measurements are obtained at each time point and averaged. The outcome is the change from the pre-intervention to the immediate post-intervention measurement.
Immediately before and immediately after each intervention session
Change in Multifidus Muscle Stiffness
기간: Immediately before and immediately after each intervention session
Intrinsic stiffness of the right multifidus muscle is assessed using shear wave elastography and expressed as shear modulus in kilopascals (kPa). Three measurements are obtained at each time point and averaged. The outcome is the change from the pre-intervention to the immediate post-intervention measurement.
Immediately before and immediately after each intervention session

2차 결과 측정

결과 측정
측정값 설명
기간
Change in Erector Spinae Muscle Stiffness Assessed by Myotonometry
기간: Immediately before and immediately after each intervention session
Myotonometry will be used to assess mechanical muscle stiffness at the same measurement location used for the erector spinae shear wave elastography assessment. Measurements will be performed immediately before and after each intervention condition. The outcome will be the change in muscle stiffness from pre-intervention to immediate post-intervention.
Immediately before and immediately after each intervention session
Change in Multifidus Muscle Stiffness Assessed by Myotonometry
기간: Immediately before and immediately after each intervention session
Myotonometry will be used to assess mechanical muscle stiffness at the same measurement location used for the multifidus shear wave elastography assessment. Measurements will be performed immediately before and after each intervention condition. The outcome will be the change in muscle stiffness from pre-intervention to immediate post-intervention.
Immediately before and immediately after each intervention session

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

University of Primorska

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 9월 30일

기본 완료 (추정된)

2026년 11월 26일

연구 완료 (추정된)

2026년 11월 30일

연구 등록 날짜

최초 제출

2026년 9월 11일

QC 기준을 충족하는 최초 제출

2026년 9월 11일

처음 게시됨 (실제)

2026년 9월 17일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 9월 17일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 9월 11일

마지막으로 확인됨

2026년 9월 1일

추가 정보

이 연구와 관련된 용어

키워드

기타 연구 ID 번호

  • UP-FHS-PA-SWE-2026

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

예

IPD 계획 설명

De-identified individual participant data underlying the results reported in subsequent publications may be made available upon reasonable request to the study investigators. Data will be shared for scientifically justified purposes following approval by the investigators and, where appropriate, completion of a data-sharing agreement.

IPD 공유 기간

Data will be available following publication of the main study results and will remain available for at least 5 years.

IPD 공유 액세스 기준

Researchers with a scientifically justified proposal may request access. Requests will be reviewed by the study investigators and data will be shared in de-identified form subject to applicable ethical and data-protection requirements.

IPD 공유 지원 정보 유형

  • 연구_프로토콜
  • 수액
  • ICF

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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