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Home-based Motor Imagery for Gait Stability in Older Adults. A Cross-over Feasibility Study. (MIGS-F) (MIGS-F)

2019년 8월 5일 업데이트: Roger Hilfiker, University of Applied Sciences of Western Switzerland

Home-based Motor Imagery Intervention for the Improvement of Gait Stability in Elderly Persons. A Cross-over Feasibility Study.

Gait stability is reduced as early as from age 40 to 50. Gait stability can be improved in patients with neurological diseases or in healthy elderly persons with exercises.

There is evidence that mental practice, also called motor imagery, the imagination of performing a movement, can also improve an activity or balance. The effective performance and the imagination of a task activates some overlapping central areas and neural networks, which might explain the improvements after motor imagery.

The investigators set out to test the feasibility of such a study using an open label randomized cross-over trial including 32 persons aged 40 years or more. The primary aim is to evaluate whether the instructions are clear, the intervention and the study procedures are acceptable and to assess the proportion of participants withdraw from the study (drop outs). Secondary aims are the assessment of between group differences in the changes of the gait stability.

연구 개요

상태

알려지지 않은

정황

개입 / 치료

상세 설명

Gait stability is reduced as early as from age 40 to 50. Gait stability can be improved in patients with neurological diseases or in healthy elderly persons with exercises.

There is evidence that mental practice, also called motor imagery, the imagination of performing a movement, can also improve an activity or balance. The effective performance and the imagination of a task activates some overlapping central areas and neural networks, which might explain the improvements after motor imagery.

These "non-physical kind of training" modalities could be used in patients who are immobilized temporarily (bedridden because of non-chronic disease, infection etc.), or in those who are not allowed to charge their leg normally (e.g. postoperative phase of joint replacement or fractures), or it can be used in combination with physical exercises, or in the preparation of the physical exercise training (either skilling up phase or as a preparation to increase safety of physical exercises). In persons above 40 years of age, motor imagery could provide a sound exercise modality for tasks that are not easy to perform with real performance. For example, walking on slippery underground such as ice, walking on a small trail in some altitude, avoiding running dogs or cats on a sidewalk, or catching up after stumbling can be either difficult to exercise in reality or might be too dangerous in reality. Imaging one's performance in such difficult environments or situations might lead to better gait stability, improved reactions in these situations and thus probably to reduced falls frequency.

Gait stability can be estimated with the local dynamic stability, which is based on chaos theory, i.e. the maximal Lyapunov exponent, is strongly influenced by the sensorimotor balance system and is widely used for measuring gait stability.

In the future, the investigators plan a large scale randomized open label cross-over study to test whether nine sessions of motor imagery improve walking stability, measured with the Lyapunov Exponent.

To prepare this future study, the investigators set out to test the feasibility of such a study with a feasibility study using an open label randomized cross-over trial including 32 persons aged 40 years or more. The primary aim is to evaluate whether the instructions are clear, the intervention and the study procedures are acceptable and to assess the proportion of participants withdraw from the study (drop outs). Secondary aims are the assessment of between group differences in the changes of the gait stability.

연구 유형

중재적

등록 (예상)

32

단계

  • 해당 없음

연락처 및 위치

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

연구 장소

  • 스위스
    • Valais
      • Leukerbad, Valais, 스위스, 3954
        • 모병
        • Hochschule für Gesundheit HES-SO Valais-Wallis
        • 연락하다:
          • Roger Hilfiker
          • 전화번호: 0041796883490

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

40년 이상 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

예

연구 대상 성별

모두

설명

Inclusion Criteria:

  • 40 years old or older
  • Able to walk bout 100 meter, with or without walking aids, but without the help of a person or an ambulator

Exclusion Criteria:

  • Walking with an ambulator (Rollator)
  • No able to understand German

공부 계획

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

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위
  • 중재 모델: 크로스오버 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
간섭 없음: Control
Participants will be allowed to perform all usual activities but should refrain from performing the motor imagery exercises.
실험적: Motor imagery

The motor imagery intervention is a non-pharmacological and non-invasive treatment often used in sport, music, or physical rehabilitation (Schuster, Hilfiker et al. 2011). Proposed tasks to be imagined by the participants are for example:

"Imagine you are walking on ice. During the first steps, you are slipping quite often, but as you walk on, your steps become more stable and you walk without problems over the ice. Try to imagine how you react when you slip on ice, how you try not to fall and to continue to walk normally" The motor imagery intervention will be performed independently by the study participants at home without supervision three times a week for three weeks.
다른: Motor imagery

The motor imagery intervention is a non-pharmacological and non-invasive treatment often used in sport, music, or physical rehabilitation (Schuster, Hilfiker et al. 2011). Proposed tasks to be imagined by the participants are for example:

"Imagine you are walking on ice. During the first steps, you are slipping quite often, but as you walk on, your steps become more stable and you walk without problems over the ice. Try to imagine how you react when you slip on ice, how you try not to fall and to continue to walk normally" The motor imagery intervention will be performed independently by the study participants at home without supervision three times a week for three weeks.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Composite Endpoint "feasibility"
기간: Immediately after the end of the both Intervention periods (week 6)

Combination of the following three parts:

Part 1: one question about the understandability of the exercises Part 2: one question about the acceptability of the whole study process Part 3: Finishing the whole study: Did the participant finish the whole study, i.e. all three test sessions and at least some session of motor imagery exercises (based on the exercise calendar)?
Immediately after the end of the both Intervention periods (week 6)

2차 결과 측정

결과 측정
측정값 설명
기간
Adherence to the motor imagery exercises
기간: Immediately after the end of the first intervention periods (week 3)
The adherence to the motor imagery exercises will be assessed with a exercise calendar with a sheet for each of the three weeks. On each day of the calendar the exercises were shortly described and the participants can just check whether he has done that exercise and can state how many minute he or she has exercises that day (only motor imagery exercises).
Immediately after the end of the first intervention periods (week 3)
Change in the Lyapunov Exponent in the three acceleration axes "anterio-posterior", "medio-lateral" and "vertical"
기간: Immediately after the end of the first period (week 3)

The "first" endpoint for effectiveness is the change in the Lyapunov Exponent in the three acceleration axes "anterio-posterior", "medio-lateral" and "vertical". The Lyapunov Exponent is calculated based on the 4 times 30 meter walk test in normal speed.

For these tests, the participants wear normal clothes and normal shoes (same shoes at all three test sessions). The test will be performed in a 35 meter long corridor.

The participant starts walking with his normal speed, walks 30 meters and stops. He turns 180°, waits ten seconds and starts walking again the 30 meters. He repeats this until he has four series of 30 meters. The data will be stored after each participant on a portable computer in coded form. The Lyapunov Exponent is then calculated later in R (statistical software) and the mean over all four series is taken.
Immediately after the end of the first period (week 3)

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

University of Applied Sciences of Western Switzerland

수사관

  • 수석 연구원: Roger Hilfiker, School of Health Sciences, HES-SO Valais-Wallis

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

2016년 2월 1일

기본 완료 (예상)

2021년 6월 1일

연구 완료 (예상)

2021년 9월 1일

연구 등록 날짜

최초 제출

2016년 2월 7일

QC 기준을 충족하는 최초 제출

2016년 2월 23일

처음 게시됨 (추정)

2016년 2월 29일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2019년 8월 6일

QC 기준을 충족하는 마지막 업데이트 제출

2019년 8월 5일

마지막으로 확인됨

2019년 8월 1일

추가 정보

이 연구와 관련된 용어

추가 관련 MeSH 약관

기타 연구 ID 번호

  • PHYVS2016-1

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

아니요

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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