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Completed

NCT Number: NCT05221203

Metabolic Cost of Bodyweight Training

In this study, the investigators will be able to estimate the metabolic cost of several foundational bodyweight training exercises.

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Key information

Conditions

Body Composition Energy Expenditure Physical Fitness Resting Metabolic Rate

Age range

18 year–35 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Laboratory of Exercise Physiology, Exercise Biochemistry and Sports Nutrition, School of Physical Education, Sports Sciences and Dietetics, University of Thessaly

Trikala, 42100, Greece

About this study

Bodyweight training has become a popular cardiovascular training choice in fitness centers and athletic performance enhancement facilities. Despite widespread use and growing popularity, little is known about the metabolic demands of such a training method. Therefore, the purpose of this study was to quantify the cardiovascular and metabolic cost from various foundational bodyweight exercises in order to contribute to a better planning of exercise programs in the real world.

Ten healthy young adults were assigned to execute seven bodyweight exercises (acute bout) for 30 and 45 seconds. Anthropometric, metabolic, and performance measurements were conducted at baseline. The metabolic cost was estimated from heart rate, blood lactate, resting oxygen uptake, exercise oxygen uptake, and excess post-exercise oxygen consumption measurements using a portable gas analyzer.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Aged between 18 and 35 years
  • Physically active individuals
  • Free of chronic diseases
  • Free of musculoskeletal injuries
  • Nonsmokers

Exclusion criteria

  • Musculoskeletal injuries
  • Chronic diseases
  • Use of alcohol, caffeine and any type of ergogenic supplements or medication before (≤6 months) and throughout the study.

Treatment and study plan

TR-30

Behavioral

Bodyweight training exercises will be performed for 30 seconds and the training volume will be consisted of 1 repetition.

TR-45

Behavioral

Bodyweight training exercises will be performed for 45 seconds and the training volume will be consisted of 1 repetition.

Primary outcomes

  1. Change in exercise-induced energy expenditure

    Time frame: At pre-exercise, during, and post-exercise session (single bout lasting 30 and 45 seconds)

    Exercise energy expenditure (kcal) will be measured using a portable indirect calorimetry system

  2. Change in excess post-exercise oxygen consumption (EPOC)

    Time frame: At post-exercise session (single bout lasting 30 and 45 seconds)

    EPOC (kcal) will be measured using a portable indirect calorimetry system

  3. Change in blood lactate concentration (BLa)

    Time frame: At pre- and post-exercise session (single bout) at 3 minutes post-exercise

    BLa (mmol/L) concentration will be measured in a microphotometer with commercially available kits.

  4. Change in heart rate

    Time frame: At pre-exercise, during, and post-exercise session (single bout lasting 30 and 45 seconds)

    Heart rate (bpm) will be measured with a wearable heart rate monitor

  5. Change in perceived exertion

    Time frame: At pre-exercise, during, and post-exercise session (single bout lasting 30 and 45 seconds)

    Rating of perceived exertion (RPE) will be measured with the Borg scale (0-10)

Secondary outcomes

  1. Body weight

    Time frame: At baseline

    Body weight will be measured on a beam balance with stadiometer

  2. Body height

    Time frame: At baseline

    Body height will be measured on a beam balance with stadiometer

  3. Body mass index (BMI)

    Time frame: At baseline

    BMI will be calculated using the Quetelet's equation

  4. Waist circumference (WC)

    Time frame: At baseline

    WC (cm) will be measured using a Gullick II tape

  5. Hip circumference (HC)

    Time frame: At baseline

    HC (cm) will be measured using a Gullick II tape

  6. Waist-to-hip ratio (WHR)

    Time frame: At baseline

    WHR will be calculated by dividing the waist by the hip measurement

  7. Resting metabolic rate (RMR)

    Time frame: At baseline

    RMR (kcal) will be measured using a portable open-circuit indirect calorimeter with a ventilated hood system

  8. Body fat (BF) Body fat (%) will be assessed by whole-body dual-energy X-ray absorptiometry (DXA)

    Time frame: At baseline

    BF (%) will be assessed by whole-body dual-energy X-ray absorptiometry (DXA)

  9. Fat mass (FM)t Body fat (%) will be assessed by whole-body dual-energy X-ray absorptiometry (DXA)

    Time frame: At baseline

    FM (kg) will be assessed by whole-body dual-energy X-ray absorptiometry (DXA)

  10. Fat-free mass (FFM)

    Time frame: At baseline

    FFM (kg) will be assessed by whole-body dual-energy X-ray absorptiometry (DXA)

  11. Maximal oxygen consumption (VO2max)

    Time frame: At baseline

    VO2max (mL/kg/min) will be assessed by a portable open-circuit spirometry system.

  12. Maximal strength (1RM)

    Time frame: At baseline

    1RM (kg) will be measured bilaterally on a horizontal leg press and seated chest press machine..

  13. Muscular endurance

    Time frame: At baseline

    Muscular endurance (repetitions) will be measured on a 1-min curl-up and push-up test.

Sponsors and collaborators

Lead sponsor

University of Thessaly

Other

Registry information

Acronym: BWT-UTH

Important dates

Study start
2022
Primary completion
2022
Study completion
2022
First posted
Feb 2, 2022
Registry last updated
Mar 15, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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