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Posture Analysis Through Machine Learning (PathML)

4. maj 2022 opdateret af: Vadim Kagan, SentiMetrix, Inc
This study will include video-recorded data from 20 adults (age 18-85yrs) residing in San Luis Obispo, CA. Participants will also have their height and weight measured, complete demographic questionnaires, and one 3hour session with video recordings in a combination of naturalistic condition and semi-structured environments. The video data will be used to train machine learning models to automatically classify physical behavior as compared to ground-truth measures of manual annotation.

Studieoversigt

Status

Aktiv, ikke rekrutterende

Betingelser

Detaljeret beskrivelse

This is a cross-sectional, single observation study. Individuals will be drawn from local surrounding clinics and the general community. All recruitment will include both men and women. Selection criteria include individuals between the ages of 18-85 years, no major chronic illness that impair mobility and able to complete activities of daily living without assistance. Participants will complete one three hour session where there will be one video camera set up within the home (i.e., static cameras). For approximately 30 minutes of the session they will complete a semi-scripted routine that will include sit to stand transitions, a timed up and go test, and scripted activities of daily living.

Researchers will use a video camera to record participant behavior within their daily life. For two of the three hours, researchers will be video recordings the participants normal (unscripted) activities. • For one hour of the session we will use two cameras, one that will be held by a researcher and one that will be set up on a tripod. During this hour we will ask participants to follow a semi-structured protocol:

  • 10 minutes recording the empty space
  • 10 minutes that include a timed up a go test (sit up from a chair and walk 10 feet), repeat the test 3 times.
  • 6 minute walk test (walk continuously for 6 minutes)
  • Four stage balance test
  • The remainder of the time, participants will complete standard activities of daily living like household chores, eating or drinking.

Data will be annotated using an established behavioral observation software by training research assistants (ground-truth). The image data from videos will be used to train machine learning models to classify physical activities (e.g. ,'walking', 'sitting' or 'standing up"), information about behavior (e.g., location and purpose of the activity), and performance (e.g., walking speed and sit to stand transition times).

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

20

Kontakter og lokationer

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

Studiesteder

    • California
      • San Luis Obispo, California, Forenede Stater, 93407
        • CalPoly

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 til 85 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

N/A

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Generally health adult population recruited from local community

Beskrivelse

Inclusion Criteria:

  1. Age 18-85 years
  2. No major chronic illness that impair mobility
  3. Able to complete activities of daily living without assistance.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Recordings
Selection criteria include individuals between the ages of 18-85 years, no major chronic illness that impair mobility and able to complete activities of daily living without assistance. We will recruit approximately equal number of men and women and 30% of the sample will be racial or ethnic minorities.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Postural Status
Tidsramme: Upon enrollment (one timepoint)
Sitting versus standing versus moving
Upon enrollment (one timepoint)
Activity type
Tidsramme: Upon enrollment (one timepoint)
Indoor vs outdoor vs driving
Upon enrollment (one timepoint)
Sit to stand transition time
Tidsramme: Upon enrollment (one timepoint)
Time it takes to go from sitting to standing
Upon enrollment (one timepoint)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Activity intensity
Tidsramme: Upon enrollment (one timepoint)
Sedentary, light, moderate and vigorous intensity
Upon enrollment (one timepoint)
Activity type
Tidsramme: Upon enrollment (one timepoint)
lying, sitting, driving, standing, housework or office work, walking, running, sports, other
Upon enrollment (one timepoint)

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

Efterforskere

  • Ledende efterforsker: Sarah Keadle, Cal Poly

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. november 2021

Primær færdiggørelse (Forventet)

30. juni 2022

Studieafslutning (Forventet)

30. juni 2022

Datoer for studieregistrering

Først indsendt

27. august 2021

Først indsendt, der opfyldte QC-kriterier

27. august 2021

Først opslået (Faktiske)

5. september 2021

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

10. maj 2022

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

4. maj 2022

Sidst verificeret

1. maj 2022

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • PathML2021

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

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