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Effect of High Intensity Aerobic & Resistance Interval Training on Body Composition, Visceral Adiposity and Myocardial Function in Overweight and Obese Adults

12 gennaio 2021 aggiornato da: Foundation University Islamabad
The obesity epidemic, predisposing to cardio-metabolic diseases, has increased two-folds over the last decade with a global alarming cost of obesity-associated illnesses, thus representing a grave peril for the survival of public health care systems. It is need of the time to develop evidence-based, time-efficient and cost-effective strategies to prevent and manage obesity. This study would compare the effects of 2 types of exercise regimes providing data on their beneficial effects on body composition and myocardial function along with reducing the central adiposity. This study may also be used as a novel intervention strategy for primary prevention of cardiovascular and metabolic diseases by modification of a major risk factor i.e. obesity in Pakistani population, consequently reducing the burden of morbidity and mortality from cardiometabolic diseases.

Panoramica dello studio

Stato

Sconosciuto

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Obesity is one of the major public health issues of this century. Over the last decade, the prevalence of obesity has increased globally, making it an emerging epidemic and threatening the survival of health care systems. Obesity has long been recognized as the major factor predisposing to cardio-metabolic diseases.The positive role of structured exercise for reducing the mortality and morbidity rates of obese and sedentary adults is well established. But exercise engagement is seen to be quite low in obese adults mainly due to lack of time and non-adherence to exercise training programs. Current trends are now focusing towards another type of exercise regime known as high intensity interval training (HIIT), which is composed of repetitive short to long (< 45 sec to 4 min) bouts of high intensity exercise alternating with rest or recovery periods. Resistance training can also stimulate changes in body composition indices as well as maintain the reduced fat mass after training. Thus resistance exercises are recommended as an adjunct for obesity management by reduction in risk factors. Hence, this study is designed to determine the effects of high intensity interval training in combination with resistance exercises verses moderate intensity continuous training on multiple outcome variables including body composition parameters, visceral adiposity, lipid profile and myocardial function in overweight and obese adult population of Pakistan. Afte r obtaining written informed consent from paricipants, they will be screened using 2020 PAR-Q plus and randomly allocated to one of the 2 groups. A self-structured demographic sheet would be employed for recording demographics and required data including the findings of lab investigations. Then participants will be required to undergo all the physical assessment measures such as anthropometric data, 6 minute walk test, lipid profile, body composition analysis and echocardiography. Physical activity levels and QOL would be assessed by filling IPAQ and SF 36 respectively. Exercise training plans would be performed thrice a week on alternate days for a total duration of 10 weeks. All measurements (anthropometric, cardiac, blood and body composition analyses) would be performed at baseline and later after the 10 weeks intervention period. Exercise intensity will be determined by individualized target heart rate zones using Karvonen formula. Strength training intensity will be determined based on 1-RM. Necessary adjustments to speed/grade and resistance will be made over the course of the intervention to ensure that target heart rate zones are achieved at all times. Apart from the exercise programs, a general similar dietary guidance by a nutritionist would also be provided to both of the groups to avoid unhealthy dietary habits.

Tipo di studio

Interventistico

Iscrizione (Anticipato)

52

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

  • Pakistan
    • Federal
      • Islamabad, Federal, Pakistan, 46000
        • Reclutamento
        • Foundation University Institute of Rehabilitation Sciences.
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 18 anni a 55 anni (Adulto)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  1. Individuals categorized as Overweight (BMI 23.0 to 24.9) and Obese-Class I (BMI 25.0 to 29.9).
  2. Both males & females willing to participate in the study.
  3. Otherwise healthy young adults aged 18-35 and middle-aged adults (36-55 years).
  4. No participation in an exercise or PA program during the last 6 months prior to the study.
  5. Participants able to complete 6-minute walk test as sub-maximal evaluation test without provoking sign and symptoms.

Exclusion Criteria:

  1. Any diagnosed neuromuscular, cardiac, renal, lung, liver disease.
  2. Individuals with implantable electrical devices such as pacemakers.
  3. Any physical or psychological dysfunction that hinders participation in the study.
  4. Individuals already participating in any structured program for weight loss including dietary interventions or usage of nutritional supplements.
  5. Individuals unable to complete 6 minute walk test due to any reason (dyspnea, fatigue, chest pain etc).

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: High Intensity Interval Training Group
Participants in this group will initially undergo continuous aerobic training to achieve a baseline fitness level, after which HIIT and resistance training will be employed. Warm-up period will be followed by 4 bouts of 4-minute interval treadmill running and stationary bike cycling at 80-95% of the measured HR reserve, interspersed with active recovery phase at 55-70% HRR. After this resistance exercises will be performed in a circuit fashion for strengthening the upper limbs, lower limbs and trunk. The session will be ended with a 5-7 minute cool-down period
Altro: High intensity interval training
4x4 min intervals of high intensity treadmill running (80-95% of HRR, RPE 7-10 on Borg's category ratio scale of perceived exertion) interspersed with active recovery (slow jogging or fast walking at 50-70% HRR). HIIT-Resistance exercises 2 sessions per week, RPE 5 (hard) 6-8 RM, 1-3 sets of as many repetitions as possible in 60 seconds, active recovery 20-60 seconds b/w exercises,
Comparatore attivo: Moderate Intensity Continuous Training Group
Participants in this group will also initially undergo continuous aerobic training to achieve a baseline fitness level, after which the intensity will be increased to moderate continuous training achieving 55-70% of HRR. Every session will be preceded by appropriate warm-up and end with cool down.
Altro: Moderate Intensity Continuous Training
Moderate intensity continuous Aerobic exercises (Stationary cycling for 15-20 min followed by treadmill walking for 15-20 min) at 55-70% 55-70% of HRR, RPE 3-4 on Borg's category ratio scale of perceived exertion. The session will be preceded by 5-7 minute warm-up & 7-10 min cool-down.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Percentage Body Fat
Lasso di tempo: 10 weeks
Percentage body fat will be measured using Bioelectrical Impedance Analyzer (Inbody 770) and expressed in forms of percentage (%).
10 weeks
Visceral fat area
Lasso di tempo: 10 weeks
Visceral fat area will be measured using Bioelectrical Impedance Analyzer (Inbody 770) and expressed in form of centimeter square.
10 weeks

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Left Ventricular Mass
Lasso di tempo: 10 weeks
Left Ventricular Mass depicting myocardial function will be assessed via Echocardiography
10 weeks
Left Ventricular Ejection Fraction
Lasso di tempo: 10 weeks
Left Ventricular Ejection Fraction depicting myocardial function will be assessed via Echocardiography
10 weeks
Cholesterol/HDL ratio
Lasso di tempo: 10 weeks
Will be analyzed using Lipid Profile blood testing. A higher score represents poor outcome.
10 weeks
Fat free mass
Lasso di tempo: 10 weeks
Fat free mass will be measured using Bioelectrical Impedance Analyzer (Inbody 770) and will be expressed in kg.
10 weeks

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Foundation University Islamabad

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

25 novembre 2020

Completamento primario (Anticipato)

30 dicembre 2021

Completamento dello studio (Anticipato)

30 dicembre 2021

Date di iscrizione allo studio

Primo inviato

1 gennaio 2021

Primo inviato che soddisfa i criteri di controllo qualità

12 gennaio 2021

Primo Inserito (Effettivo)

14 gennaio 2021

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

14 gennaio 2021

Ultimo aggiornamento inviato che soddisfa i criteri QC

12 gennaio 2021

Ultimo verificato

1 gennaio 2021

Maggiori informazioni

Termini relativi a questo studio

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • FUI/CTR/2020/13

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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