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Impact of Training on Gait and Strength in Stroke Survivors

21. marts 2013 opdateret af: Marie-hélène Milot, Université de Montréal

Gait Performance and Lower-limb Muscle Strength Improved in Both Upper-limb and Lower-limb Isokinetic Training Programs in Individuals With Chronic Stroke

Background: A discrepancy between strength gain and gait changes following various training programs aimed at improving gait function after stroke has been noted. A mismatch between the training program and gait parameters could explain this finding.

Objective: To evaluate the impact of an isokinetic-strengthening program, matching the requirements of the affected lower-limb muscle groups involved in the energy generation of gait, to a control intervention, on gait performance and muscle strength.

Hypothesis: The isokinetic training program of the affected lower-limb muscles would produce greater changes in gait performance and strength than a control intervention not aiming at training these muscle groups.

Design: Single-blinded randomized controlled trial.

Participants: A convenient sample of 30 individuals with chronic hemiparesis.

Interventions: Participants were randomly assigned into two groups (n=15), each training three times/week for six weeks. The experimental group trained the affected plantarflexors, hip flexors and extensors concentrically, while the control group trained the affected upper-limb muscles.

Main outcome measures: Baseline values and post-training values, taken at the end of the training program, of maximal voluntary concentric strength, gait speed and peak positive power.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

30

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

    • Quebec
      • Montréal, Quebec, Canada, H3S 1M9
        • Institut de réadaptation Gingras-Lindsay

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

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • have a chronic (six months or more) unilateral stroke
  • be able to walk 10 meters independently with or without a cane
  • present residual weakness at the affected lower limb
  • have an activity tolerance of at least two hours with a rest period

Exclusion Criteria:

  • receptive aphasia
  • incontinence
  • unstable medical condition
  • history of injury
  • anesthesia at the lower limbs

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

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

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: isokinetic lower-limb training
3 times/week for 6 weeks
concentric training of the affected plantarflexors, hip flexors and hip extensors
Placebo komparator: isokinetic uppe-limb training
3 times/week for 6 weeks
concentric training of the affected wrist extensors, elbow flexors and shoulder flexors

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
change in gait speed
Tidsramme: gait speed was assessed at baseline and at the completion of the 6-week training (i.e. week #7)
change in gait speed, in meter/second, was assessed as the difference between the baseline and week #7 values.
gait speed was assessed at baseline and at the completion of the 6-week training (i.e. week #7)
change in peak positive power
Tidsramme: peak positive power was assessed at baseline and at the completion of the 6-week training (i.e. week #7)
peak positive power was evaluated at the affected plantarflexors, hip flexors and hip extensors. Also, change in peak positive power, in weight/kilogram, was assessed as the difference between the baseline and week #7 values.
peak positive power was assessed at baseline and at the completion of the 6-week training (i.e. week #7)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
change in maximal voluntary concentric strength
Tidsramme: maximal voluntary concentric strength was assessed at baseline and at the completion of the 6-week training (i.e. week #7)
maximal voluntary concentric strength was evaluated at the affected plantarflexors, hip flexors and hip extensors. Also, change in maximal voluntary concentric strength, in Newton-metre, was assessed as the difference between the baseline and week #7 values.
maximal voluntary concentric strength was assessed at baseline and at the completion of the 6-week training (i.e. week #7)

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

Efterforskere

  • Ledende efterforsker: Sylvie Nadeau, PhD, Université de Montréal

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

1. marts 2002

Primær færdiggørelse (Faktiske)

1. december 2005

Studieafslutning (Faktiske)

1. december 2007

Datoer for studieregistrering

Først indsendt

15. marts 2013

Først indsendt, der opfyldte QC-kriterier

21. marts 2013

Først opslået (Skøn)

26. marts 2013

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

26. marts 2013

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

21. marts 2013

Sidst verificeret

1. marts 2013

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • IRSC-44059

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .