Upper-body High-intensity Interval Training and Mixed Meal Responses

NCT ID: NCT04277091

Last Updated: 2022-07-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

11 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-10-21

Study Completion Date

2021-01-01

Brief Summary

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Cycling and running-based high-intensity interval training are well-established to improve a variety of health outcomes. However, the efficacy of upper-body high-intensity interval training, vital for individuals with lower-body impairments, has yet to be well-characterized. The purpose of this study is to compare the effect of a single bout of upper-body high-intensity interval exercise (HIIE) in comparison to traditional moderate-intensity continuous exercise (MICE) on the blood response (e.g. glucose, insulin, fats) following a meal.

This study is recruiting able-bodied adults (aged 18-65 years). Participants will need to attend the laboratory at the University of Bath for two preliminary sessions, and three main study trials.

Detailed Description

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The aim of this research is to determine the metabolic responses to a mixed-meal tolerance test following an acute bout of HIIE and an energy-matched MICE bout in able-bodied persons. The hypothesis is that HIIE and MICE will be more effective at reducing the total triglyceride responses compared to a resting control condition.

Preliminary measurements:

Preliminary testing will include measurements of weight and height. There will also be an assessment of resting metabolic rate and maximal exercise capacity. On a second visit, a HIIE familiarisation session will be performed to determine total energy expenditure of the session. All of the exercise protocols will take place on an arm crank ergometer at the University of Bath.

Main trial days:

Before all main trials, participants will be asked to refrain from performing any strenuous physical activity in the 48-h prior (i.e. day 0 and 1) and consuming alcohol/caffeine in the 24-h prior (i.e. day 1). On day 1, participants will be asked to record/replicate their diet using a weighed food-diary. Participants will be asked perform exercise (HIIE and MICE only) at 18:00 on day 1, having consumed no food (other than plain water) from 14:00. They will be given a standardised dinner to eat at 20:00, and asked to avoid the ingestion of any further food (other than plain water) for the rest of the evening.

On day 2 and upon arrival to the laboratory, a cannula will be inserted into a vein, and a baseline blood sample and expired air sample will be taken. The participant will then be asked to consume a smoothie, consisting of peanut butter, banana, coconut oil, sugar, and chocolate-flavoured whey protein powder. The meal should be consumed within 10 minutes and blood samples will be taken from the cannula at 15, 30, 45 60, and 90 minutes and then at every hour for 5 hours after consumption of the meal to monitor changes in metabolic markers. Expired gas samples will also be taken hourly and indirect calorimetry will be used to estimate relative fat and carbohydrate metabolism in response to the meal.

Conditions

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High-Intensity Interval Training

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Control

No exercise

Group Type NO_INTERVENTION

No interventions assigned to this group

High-intensity interval exercise

10 x 60 s intervals at 80% peak power output (interspersed with 60 s recovery intervals at 10% peak power output)

Group Type EXPERIMENTAL

High-intensity interval training

Intervention Type OTHER

Arm-cranking exercise

Moderate-intensity continous exercise

50% peak power output (duration determined to elicit same energy expenditure as high-intensity interval exercise condition)

Group Type EXPERIMENTAL

Moderate-intensity continuos training

Intervention Type OTHER

Arm-cranking exercise

Interventions

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High-intensity interval training

Arm-cranking exercise

Intervention Type OTHER

Moderate-intensity continuos training

Arm-cranking exercise

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Non-smoker
* No history of cardiovascular, metabolic, or neuromuscular disease

Exclusion Criteria

* Individuals with a nut allergy
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Bath

OTHER

Sponsor Role lead

Responsible Party

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James Bilzon

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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James Bilzon

Role: PRINCIPAL_INVESTIGATOR

University of Bath

Locations

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Department for Health

Bath, , United Kingdom

Site Status

Countries

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United Kingdom

Other Identifiers

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EP 18/19 087

Identifier Type: -

Identifier Source: org_study_id

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