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Reliability and Validity of Physical Performance Tests in Individuals With Obesity

21. maj 2026 opdateret af: Yunus Emre Tutuneken

Clinician-Friendly Physical Performance Tests in Individuals With Obesity: Reliability and Validity

This study aims to investigate the reliability and validity of practical performance-based physical function tests in individuals with obesity. Functional limitations such as reduced walking ability, impaired balance, and decreased lower extremity strength are common in people with obesity and may negatively affect daily activities and quality of life.

Participants will complete several commonly used clinical functional tests, including the 1-Minute Stair Climbing Test, 40-Meter Fast-Paced Walk Test, 2-Minute Walk Test, Timed Up and Go Test, and 30-Second Sit-to-Stand Test. In addition, cardiopulmonary exercise testing, balance assessment, and knee extensor muscle strength measurements will be performed.

The study will evaluate whether these simple and clinically applicable tests provide reliable results over repeated measurements and whether they are associated with objective indicators of physical function such as maximal oxygen consumption (VO₂max), balance performance, and muscle strength. The findings may help clinicians use practical and cost-effective tools to assess physical function in individuals with obesity.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Observationel

Tilmelding (Anslået)

55

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

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Prøveudtagningsmetode

Sandsynlighedsprøve

Studiebefolkning

Individuals With Obesity

Beskrivelse

Inclusion Criteria:

  • Body mass index (BMI) ≥ 30 kg/m²
  • Stable body weight during the last 3 months (less than ±2 kg change)
  • Ability to perform daily living activities independently

Exclusion Criteria:

  • History of cardiovascular disease
  • History of pulmonary disease
  • History of neurological disease
  • Musculoskeletal injury affecting lower extremity function
  • Presence of lower extremity prosthesis or severe deformity
  • Major surgery within the previous 6 months
  • Pregnancy
  • Postpartum period
  • Vestibular disorders affecting balance
  • Visual impairments affecting test performance
  • Hearing impairments affecting test performance
  • Cognitive impairment limiting understanding of instructions
  • Participation in strenuous physical activity before testing
  • Use of medications affecting cardiopulmonary responses (e.g., beta-blockers)

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
1-Minute Stair Climbing Test
Tidsramme: 1 hour
A performance-based functional test used to assess stair climbing ability and lower extremity functional capacity. The total number of completed stair cycles within 1 minute will be recorded.
1 hour
40-Meter Fast-Paced Walk Test
Tidsramme: 1 hour
A walking performance test used to evaluate fast-paced gait speed and functional mobility. The time required to complete a total walking distance of 40 meters will be measured in seconds.
1 hour
2-Minute Walk Test
Tidsramme: 1 hour
A functional endurance test used to assess ambulatory capacity. The total walking distance completed within 2 minutes will be recorded in meters.
1 hour
Timed Up and Go Test
Tidsramme: 1 hour
A functional mobility test used to assess dynamic balance and independent mobility. The time required to stand up from a chair, walk 3 meters, return, and sit down will be measured in seconds.
1 hour
30-Second Sit-to-Stand Test
Tidsramme: 1 hour
A lower extremity functional strength and endurance test. The total number of sit-to-stand repetitions completed within 30 seconds will be recorded.
1 hour

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Cardiopulmonary Exercise Testing (VO₂max)
Tidsramme: 1 hour
A maximal exercise test performed using the Modified Bruce Protocol on a treadmill to assess aerobic exercise capacity. Maximal oxygen consumption (VO₂max) values will be recorded.
1 hour
Static Balance Assessment
Tidsramme: 1 hour
Balance performance will be evaluated using the PROKIN® computerized balance assessment system. Parameters related to postural stability and body sway during static tasks will be recorded
1 hour
Knee Extensor Muscle Strength
Tidsramme: 1 hour
Isometric knee extensor muscle strength will be measured using a hand-held dynamometer. Maximum voluntary contraction force will be recorded.
1 hour
Dynamic Balance Assessment
Tidsramme: 1 hour
Description: Balance performance will be evaluated using the PROKIN® computerized balance assessment system. Parameters related to postural stability and body sway during static and dynamic tasks will be recorded
1 hour

Samarbejdspartnere og efterforskere

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

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 (Anslået)

15. juni 2026

Primær færdiggørelse (Anslået)

15. oktober 2026

Studieafslutning (Anslået)

20. oktober 2026

Datoer for studieregistrering

Først indsendt

15. maj 2026

Først indsendt, der opfyldte QC-kriterier

21. maj 2026

Først opslået (Faktiske)

26. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

26. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

21. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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Kliniske forsøg med Physical Performance Tests

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