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The Effect of Stretching Exercises on Vascular Function, Blood Flow, and Walking Function in Middle and Older Adults

29. april 2021 opdateret af: Mei-Wun Tsai, National Yang Ming University
This study examines the relationship between circulation and walking speed after performing 8-week stretching exercises.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study examines the relationship between circulations and walking speeds. Most studies in the field of stretching exercises have only focused on improvements of endothelial functions in younger population; however, I aim to emphasize its effects on different populations, such as people with frailty, low physical activity level, weakness and postoperative status. Previous research has established that stretching exercises can improve walking function by modulations of musculoskeletal or neuromuscular system. The importance and originality of this study are that it explores the relationship between circulation and walking speed. Due to the inability to extrapolate outcomes; short-term effect of improved blood vessel function; the unclear mechanism of stretching exercises; and considering the different physical fitness groups, I design a home-based, low-dose, and anatomic chain-based stretching exercises to verify the possible mechanism and effects.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

48

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

  • Navn: Mei-Wun Tsai, Ph.D
  • Telefonnummer: +886+2+28267939
  • E-mail: tmwk@ym.edu.tw

Studiesteder

  • Taiwan
      • Taipei, Taiwan, 112
        • Rekruttering
        • National Yang Ming University
        • Kontakt:
          • Mei-Wun Tsai, Ph.D
        • Kontakt:
          • Liang-Ying Lai
        • Ledende efterforsker:
          • Liang-Ying Lai

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

20 år til 85 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. age between 20-85 years old
  2. Follow instructions
  3. Walk with/without assistive technology

Exclusion Criteria:

  1. Unstable acute or chronic health conditions
  2. Peripheral vascular diseases
  3. Non-musculoskeletal problems that would limit stretching exercises
  4. Participate in other exercise programs

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Sundhedstjenesteforskning
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Stretching exercises
Interventions are home-based stretching exercises. The experimental group will receive 6 stretching exercises which stretch 20-30 seconds, relax for 10 seconds, and repeat 5 times for each side. It will take 25-30 minutes every day for continuous 8 weeks.
Andet: stretching exercises
Our interventions are home-based stretching exercises. The experimental group will receive 6 stretching exercises which stretch 20-30 seconds, relax for 10 seconds, and repeat 5 times for each side. It will take 25-30 minutes every day for continuous 8 weeks. Those include stretching of the deep front line, spiral line, superficial front line, lateral line, superficial back line, and plantar flexors. Designed concepts are the following three: 1) based on ''Anatomy- Train'' theory, 2) emphasize on movements of trunk and pelvis, and 3) stress on the stretching of lower extremities.
Ingen indgriben: Control group
Maintain their daily activity level in the 8 weeks. We use the study desigh-''waiting list control'' in this group.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
vascular functions-Stiffness index(1)
Tidsramme: pre-intervention(1st week)
(Stiffness index, SI，unit：m/s)
pre-intervention(1st week)
vascular functions-Stiffness index(2)
Tidsramme: during intervention(4th week)
(Stiffness index, SI，unit：m/s)
during intervention(4th week)
vascular functions-Stiffness index(3)
Tidsramme: post-intervention(8th week)
(Stiffness index, SI，unit：m/s)
post-intervention(8th week)
vascular functions-Reflective index(1)
Tidsramme: pre-intervention(1st week)
(Reflective index, RI，unit：％)
pre-intervention(1st week)
vascular functions-Reflective index(2)
Tidsramme: during intervention(4th week)
(Reflective index, RI，unit：％)
during intervention(4th week)
vascular functions-Reflective index(3)
Tidsramme: post-intervention(8th week)
(Reflective index, RI，unit：％)
post-intervention(8th week)
vascular functions-Vascular age
Tidsramme: pre-intervention(1st week)
(Vascular age, VA，unit：year-old)
pre-intervention(1st week)
Ultrasound parameters-peak-systolic velocity(1)
Tidsramme: pre-intervention(1st week)
（peak-systolic velocity, PSV)
pre-intervention(1st week)
Ultrasound parameters-peak-systolic velocity(2)
Tidsramme: during intervention(4th week)
（peak-systolic velocity, PSV）
during intervention(4th week)
Ultrasound parameters-peak-systolic velocity(3)
Tidsramme: post-intervention(8th week)
（peak-systolic velocity, PSV）
post-intervention(8th week)
Ultrasound parameters-end-diastolic velocity(1)
Tidsramme: pre-intervention(1st week)
（end-diastolic velocity, EDV）
pre-intervention(1st week)
Ultrasound parameters-end-diastolic velocity(2)
Tidsramme: during intervention(4th week)
（end-diastolic velocity, EDV）
during intervention(4th week)
Ultrasound parameters-end-diastolic velocity(3)
Tidsramme: post-intervention(8th week)
（end-diastolic velocity, EDV）
post-intervention(8th week)
Ultrasound parameters-mean velocity(1)
Tidsramme: pre-intervention(1st week)
（mean velocity, mV）
pre-intervention(1st week)
Ultrasound parameters-mean velocity(2)
Tidsramme: during intervention(4th week)
（mean velocity, mV）
during intervention(4th week)
Ultrasound parameters-mean velocity(3)
Tidsramme: post-intervention(8th week)
（mean velocity, mV）
post-intervention(8th week)
Ultrasound parameters-mean volume flow(1)
Tidsramme: pre-intervention(1st week)
(mean volume flow, vFl)
pre-intervention(1st week)
Ultrasound parameters-mean volume flow(2)
Tidsramme: during intervention(4th week)
(mean volume flow, vFl)
during intervention(4th week)
Ultrasound parameters-mean volume flow(3)
Tidsramme: post-intervention(8th week)
(mean volume flow, vFl)
post-intervention(8th week)
Ultrasound parameters-resistance index(1)
Tidsramme: pre-intervention(1st week)
(resistance index, RI)
pre-intervention(1st week)
Ultrasound parameters-resistance index(2)
Tidsramme: during intervention(4th week)
(resistance index, RI)
during intervention(4th week)
Ultrasound parameters-resistance index(3)
Tidsramme: post-intervention(8th week)
(resistance index, RI)
post-intervention(8th week)
Ultrasound parameters-pulsatility index(1)
Tidsramme: pre-intervention(1st week)
(pulsatility index, PI)
pre-intervention(1st week)
Ultrasound parameters-pulsatility index(2)
Tidsramme: during intervention(4th week)
(pulsatility index, PI)
during intervention(4th week)
Ultrasound parameters-pulsatility index(3)
Tidsramme: post-intervention(8th week)
(pulsatility index, PI)
post-intervention(8th week)
Ultrasound parameters-diameter(1)
Tidsramme: pre-intervention(1st week)
（diameter, D）
pre-intervention(1st week)
Ultrasound parameters-diameter(2)
Tidsramme: during intervention(4th week)
（diameter, D）
during intervention(4th week)
Ultrasound parameters-diameter(3)
Tidsramme: post-intervention(8th week)
（diameter, D）
post-intervention(8th week)
Ultrasound parameters-area(1)
Tidsramme: pre-intervention(1st week)
（area, A）
pre-intervention(1st week)
Ultrasound parameters-area(2)
Tidsramme: during intervention(4th week)
（area, A）
during intervention(4th week)
Ultrasound parameters-area(3)
Tidsramme: post-intervention(8th week)
（area, A）
post-intervention(8th week)
walking speed-preferred(1)
Tidsramme: pre-intervention(1st week)
Timed 10-Meter Walk Test (preferred)
pre-intervention(1st week)
walking speed-preferred(2)
Tidsramme: during intervention(4th week)
Timed 10-Meter Walk Test (preferred)
during intervention(4th week)
walking speed-preferred(3)
Tidsramme: post-intervention(8th week)
Timed 10-Meter Walk Test (preferred)
post-intervention(8th week)
walking speed-fast(1)
Tidsramme: pre-intervention(1st week)
Timed 10-Meter Walk Test (fast)
pre-intervention(1st week)
walking speed-fast(2)
Tidsramme: during intervention(4th week)
Timed 10-Meter Walk Test (fast)
during intervention(4th week)
walking speed-fast(3)
Tidsramme: post-intervention(8th week)
Timed 10-Meter Walk Test (fast)
post-intervention(8th week)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
body composition-height
Tidsramme: pre-intervention(1st week)
height(cm)
pre-intervention(1st week)
body composition-weight
Tidsramme: pre-intervention(1st week)
weight(kg)
pre-intervention(1st week)
body composition-waist circumference
Tidsramme: pre-intervention(1st week)
waist circumference(cm)
pre-intervention(1st week)
vital sign-blood pressure(1)
Tidsramme: pre-intervention(1st week)
blood pressure(mmHg)
pre-intervention(1st week)
vital sign-blood pressure(2)
Tidsramme: during intervention(4th week)
blood pressure(mmHg)
during intervention(4th week)
vital sign-blood pressure(3)
Tidsramme: post-intervention(8th week)
blood pressure(mmHg)
post-intervention(8th week)
vital sign-heart rate(1)
Tidsramme: pre-intervention(1st week)
heart rate(bpm)
pre-intervention(1st week)
vital sign-heart rate(2)
Tidsramme: during intervention(4th week)
heart rate(bpm)
during intervention(4th week)
vital sign-heart rate(3)
Tidsramme: post-intervention(8th week)
heart rate(bpm)
post-intervention(8th week)
flexibility-chair sit and reach test (1)
Tidsramme: pre-intervention(1st week)
chair sit and reach test (cm)
pre-intervention(1st week)
flexibility-chair sit and reach test (2)
Tidsramme: during intervention(4th week)
chair sit and reach test (cm)
during intervention(4th week)
flexibility-chair sit and reach test (3)
Tidsramme: post-intervention(8th week)
chair sit and reach test (cm)
post-intervention(8th week)
grip strength
Tidsramme: pre-intervention(1st week)
hand dynamometer
pre-intervention(1st week)
cognitive function
Tidsramme: pre-intervention(1st week)
Montreal Cognitive Assessment.Minimum value is 0 and maximum value is 30, and higher scores mean a better outcome
pre-intervention(1st week)
frailty
Tidsramme: pre-intervention(1st week)
SOF (Study of Osteoporotic Fractures). Minimum value is 0 and maximum value is 3, and higher scores mean a worse outcome
pre-intervention(1st week)
basic data
Tidsramme: pre-intervention(1st week)
gender, age, education, living status, smoking, and exercise habits
pre-intervention(1st week)
ACSM-PAR-Q+
Tidsramme: pre-intervention(1st week)
The Physical Activity Readiness Questionnaire for Everyone AND follow-up questions about their medical conditions (PAR-Q+) is used to identify whether subjects are at risk in engaging in exercises. Thus, researchers can prescribe individual exercise prescriptions.
pre-intervention(1st week)
IPAQ
Tidsramme: pre-intervention(1st week)
International Physical Activity Questionnaire to investigate their physical activity levels. Higher the amount of physical activity (min-METs/week) means a more active life-style(physical activity level).
pre-intervention(1st week)
fitness
Tidsramme: pre-intervention(1st week)
(Duke activity status index, DASI) Minimum value is 0 and maximum value is 58.2, and higher scores mean a better physical activity level.
pre-intervention(1st week)
adherence of exercise
Tidsramme: post-intervention(8th week)
usage records from the Line app
post-intervention(8th week)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

National Yang Ming University

Efterforskere

  • Ledende efterforsker: Liang-Ying Lai, National Yang Ming University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. september 2020

Primær færdiggørelse (Forventet)

30. juni 2021

Studieafslutning (Forventet)

30. juni 2021

Datoer for studieregistrering

Først indsendt

26. april 2021

Først indsendt, der opfyldte QC-kriterier

29. april 2021

Først opslået (Faktiske)

4. maj 2021

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

4. maj 2021

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

29. april 2021

Sidst verificeret

1. april 2021

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Andre undersøgelses-id-numre

  • YM109100E

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