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Effects of "Exercise Snack" in Individuals With Obesity (OBEXSNACK)

9. november 2026 oppdatert av: Istituto Auxologico Italiano

Effects of "Exercise Snack" on Physical Fitness,Vbody Composition, Enjoyment and Quality of Life in Outpatients With Obesity

Obesity is associated with reduced physical fitness, functional limitations, and poorer quality of life (Kell et al., 2001). Nutritional support and supervised exercise can improve weight management and physical health, but low motivation and perceived lack of time often limit participation to physical activity (Alberga et al., 2013; Baillot et al., 2021). Evidence shows that shorter-time exercise strategies may help overcome these barriers and support training adherence (Poon et al., 2020). Brief activity bouts distributed throughout the day, including vigorous intermittent lifestyle physical activity and structured "exercise snacks," may help to improve cardiorespiratory fitness, muscle function, and metabolic health (Islam et al., 2022; Ahmadi et al., 2024; Wang et al., 2024). Observational evidence also links VILPA to lower mortality risk (Stamatakis et al., 2023). Combining brief exercise bouts with education to interrupt prolonged sitting may therefore address both insufficient physical activity and sedentary behaviour (Dunstan et al., 2021; Dogra et al., 2022; Pinto et al., 2023). Generally, research has largely focused on healthy, inactive adults, with limited evidence in people with overweight or obesity (Jones et al., 2024). Rafiei et al. (2021) reported acute improvements in insulin and non-esterified fatty acid responses following brief stair-climbing bouts compared with prolonged sitting in adults with obesity. Schmidt et al. (2001) found comparable improvements in body composition and aerobic fitness following accumulated or continuous exercise during caloric restriction. The effects of exercise snacks combined with education to reduce sedentary behaviour nevertheless remain unclear. This study aims to evaluate the effects of an exercise-snacking programme on body composition, physical fitness, quality of life, and exercise adherence in adults with obesity.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

8

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

    • Mi
      • Milan, Mi, Italia, 20145
        • Rekruttering
        • Istituto Auxologico Italiano IRCCS
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

30 år til 70 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Ja

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Male or female gender
  • Body Mass Index more than 30 kg/m2
  • Participation in physical activity fewer than twice per week
  • informed consent signature

Exclusion Criteria:

  • aged more than 70 years
  • history of disabling musculoskeletal or osteoarticular conditions that prevent regular participation in physical activity, with a pain score > of 7 out of 10 arbitrary units on the visual analogue scale (VAS)
  • history of hip or knee replacement
  • Surgery within the 6 months preceding the study
  • presence of severe hip or knee osteoarthrosis
  • presence of cardiac, neurological or psychiatric disordes

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Exercise Snack Group

Exercise snacks activity throughout the day

10-week-home-based training protocol to improve cardiorespiratory fitness, muscular strength and stability performed through a short bout of physical activity called "exercise snack". The programme consists of high-intensity home-based exercises performed in five 2-minute bouts per day, spaced 2 hours apart, for 7 days (10 minutes of exercise per day).

Eksperimentell: Traditional Fitness Group

Conventional circuit training exercise

10-week-home-based training protocol to improve cardiorespiratory fitness, muscular strength and stability performed through a circuit-training mode. The programme consists of home-based exercises performed in a circuit-training format (time of work per set 20 s, time of rest between each exercise 10 s, time of rest between sets 2 min, total volume 3 sets) for a duration of 35 min with a frequency of 3 days per week while performing traditional strength and postural control exercises.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change from baseline fat mass at ten weeks
Tidsramme: up to ten weeks

Fat mass percentage measurement using a bioelectric impedance analysis

up to ten weeks
Change from baseline fat free mass at ten weeks
Tidsramme: up to ten weeks

Fat free mass percentage measurement using a bioelectric impedance analysis

up to ten weeks
Change from baseline waist circumference at ten weeks
Tidsramme: up to ten weeks

Waist circumference using a 200 centimeters tape measure in centimeters

up to ten weeks
Change from baseline weight at ten weeks
Tidsramme: up to ten weeks

Body weight using a calibrated weight scale in kilograms

up to ten weeks

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change from baseline body balance at ten weeks
Tidsramme: up to ten weeks

Body stability using the modified version of the Balance Error Scoring System protocol in arbitrary units with a 0-30 point scale in which lower scores mean a better outcome

up to ten weeks
Change from baseline upper-body muscular strength at ten weeks
Tidsramme: up to ten weeks

Maximal isometric grip strength in kilograms using the handgrip dynamometer

up to ten weeks
Change from baseline lower-body muscular strength at six weeks
Tidsramme: up to ten weeks

Amount of time in seconds during a chair raise using the Five Repetition Sit-To-Stand protocol

up to ten weeks
Change from baseline cardiorespiratory fitness at ten weeks
Tidsramme: up to ten weeks

Heart rate monitor in beats per minute during a 45-second squat exercise using the Ruffier-Dickson squat test protocol

up to ten weeks
Change from baseline amount of physical activity at ten weeks
Tidsramme: up to ten weeks

Weekly amount of physical activity and sedentary time using the short-form International Physical Activity Questionnaire expressed in mets per week

up to ten weeks
Change from baseline enjoyment at ten weeks
Tidsramme: up to ten weeks

Exercise enjoyment using the short-form PACES scale questionnaire in arbitrary units with a 0-5 point scale in which higher scores mean a better outcome

up to ten weeks
Change from baseline adherence at ten weeks
Tidsramme: up to ten weeks

Exercise enjoyment using the Exercise Adherence Rating Scale questionnaire in arbitrary units with a 0-5 point scale in which higher scores mean a better outcome

up to ten weeks
Change from baseline quality of life perception at ten weeks
Tidsramme: up to ten weeks

Subjective quality of life perception using the using the EuroQol EQ-5D VAS in arbitrary units with a 0-100 point scale in which higher scores mean a better outcome

up to ten weeks

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Etterforskere

  • Hovedetterforsker: Luca Cavaggioni, PhD, Istituto Auxologico Italiano IRCCS

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

1. november 2026

Primær fullføring (Antatt)

25. februar 2027

Studiet fullført (Antatt)

31. mars 2027

Datoer for studieregistrering

Først innsendt

9. november 2026

Først innsendt som oppfylte QC-kriteriene

9. november 2026

Først lagt ut (Faktiske)

13. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

13. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

9. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • 43C504

Legemiddel- og utstyrsinformasjon, studiedokumenter

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Nei

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Nei

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