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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 januari 2021 bijgewerkt door: 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.

Studie Overzicht

Toestand

Onbekend

Conditie

Interventie / Behandeling

Gedetailleerde beschrijving

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.

Studietype

Ingrijpend

Inschrijving (Verwacht)

52

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studie Locaties

  • Pakistan
    • Federal
      • Islamabad, Federal, Pakistan, 46000
        • Werving
        • Foundation University Institute of Rehabilitation Sciences.
        • Contact:

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

18 jaar tot 55 jaar (Volwassen)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

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).

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Enkel

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: 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
Ander: 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,
Actieve vergelijker: 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.
Ander: 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.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Percentage Body Fat
Tijdsspanne: 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
Tijdsspanne: 10 weeks
Visceral fat area will be measured using Bioelectrical Impedance Analyzer (Inbody 770) and expressed in form of centimeter square.
10 weeks

Secundaire uitkomstmaten

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

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Foundation University Islamabad

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Werkelijk)

25 november 2020

Primaire voltooiing (Verwacht)

30 december 2021

Studie voltooiing (Verwacht)

30 december 2021

Studieregistratiedata

Eerst ingediend

1 januari 2021

Eerst ingediend dat voldeed aan de QC-criteria

12 januari 2021

Eerst geplaatst (Werkelijk)

14 januari 2021

Updates van studierecords

Laatste update geplaatst (Werkelijk)

14 januari 2021

Laatste update ingediend die voldeed aan QC-criteria

12 januari 2021

Laatst geverifieerd

1 januari 2021

Meer informatie

Termen gerelateerd aan deze studie

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • FUI/CTR/2020/13

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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