Autonomic Modulation Recovery After Acute Resistance Exercise

September 23, 2020 updated by: Luiz Carlos Marques Vanderlei, Universidade Estadual Paulista Júlio de Mesquita Filho

Autonomic Modulation Recovery After Acute Resistance Exercise in Different Intensities and Body Segments

To analyze the autonomic behavior in recovery post-acute resistance exercise performed in different intensities and body segments.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Resistance training (RT) is recommended to people with different health condition. RT is recognized as safe and effective method of increasing muscle strength, physical fitness, muscle mass, and overall cardiovascular health. The magnitude of the RT effects is associated with the structure of the training program. Understanding these aspects may provide guidance for the RT prescription while reducing potential risk of cardiovascular events associated with the recovery period after exercise. The objective of the study is to compare the acute responses of the Autonomic Nervous System post RT performed with different intensities (endurance and strength) in different body segments (UL and LL). Our hypothesis is that different intensities and body segments influence the acute responses of the ANS in the post RT recovery period.

Study Type

Interventional

Enrollment (Actual)

49

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Brazil
    • SP
      • Presidente Prudente, SP, Brazil, 19060-900
        • Luiz Carlos Marques Vanderlei
    • São Paulo
      • Presidente Prudente, São Paulo, Brazil, 19060900
        • Universidade Estadual Paulista Julio de Mesquita Filho

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 30 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • Graduate students,
  • Age between 18 to 30 years
  • Healthy men, the Physical Activity Readiness Questionnaire (PAR-Q) was used to determine safety and possible risk of exercising based on participants' health history, the according American College of Sports Medicine, 2010.
  • Trained men, the International Physical Activity Questionnaire (IPAQ) was used to determine participants' physical activity level.

Exclusion Criteria: Participants who did not attend all the RT protocols and those with HR record with error higher than 5% (ectopic beats) will be excluded.

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Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: upper limb endurance protocol
UL endurance protocol - elbow flexion
Other: Resistance Training - UL endurance protocol
UL endurance protocol - 2 series of 20 repetitions, elbow flexion at 40% of the maximum test force of 1 maximum repetition, (recovery 1 minutes between sets).
Active Comparator: upper limb strength protocol
UL strength protocol - elbow flexion
Other: Resistance Training - UL strength protocol
UL strength protocol - 2 series of 8 repetitions, elbow flexion at 80% of the maximum test force of 1 maximum repetition, (recovery 1 minutes between sets).
Active Comparator: lower limb endurance protocol
LL endurance protocol - knee extension
Other: Resistance Training - LL endurance protocol
LL endurance protocol - 2 series of 20 repetitions, elbow flexion at 40% of the maximum test strength of 1 maximum repetition, (recovery 1 minutes between sets).
Active Comparator: lower limb strength protocol
LL strength protocol - knee extension
Other: Resistance Training - LL strength protocol
LL strength protocol - 2 series of 8 repetitions, knee extension at 80% of the maximum test force of 1 maximum repetition, (recovery 1 minutes between sets).

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Acute responses of the Autonomic Nervous System post Resistance Training of the time-domain indices of Heart Rate Variability
Time Frame: the moments before and immediately after Resistance Training, performed with different intensities (endurance and strength) and body segments (UL and LL).

Understand the effect of acute responses of the time-domain indices of Heart Rate Variability, RMSSD, and SDNN, comparing the behavior of these indices of in rest periods and immediate recovery after effort. Besides, to analyze the changes observed when applying different training intensities (endurance protocol 40% 1RM, and strength protocol 80% 1 RM) and body segments (elbow flexion [UL] and knee extension [LL]).

RMSSD: root mean square of the successive differences between the RR intervals in the record, divided by the number of RR intervals in a given time minus one RR interval SDNN: standard deviation of all normal RR intervals.
the moments before and immediately after Resistance Training, performed with different intensities (endurance and strength) and body segments (UL and LL).
Acute responses of the Autonomic Nervous System post Resistance Training of the geometric indices of Heart Rate Variability
Time Frame: the moments before and immediately after Resistance Training, performed with different intensities (endurance and strength) and body segments (UL and LL).

Understand the effect of acute responses of the geometric indices of Heart Rate Variability, SD1, SD2, comparing the behavior of these indices of in rest periods and immediate recovery after effort. Besides, to analyze the changes observed when applying different training intensities (endurance protocol 40% 1RM, and strength protocol 80% 1 RM) and body segments (elbow flexion [UL] and knee extension [LL]).

SD1: standard deviation of diagonal points SD2: standard deviation from longitudinal points
the moments before and immediately after Resistance Training, performed with different intensities (endurance and strength) and body segments (UL and LL).
Acute responses of the Autonomic Nervous System post Resistance Training of the frequency domain of Heart Rate Variability,
Time Frame: the moments before and immediately after Resistance Training, performed with different intensities (endurance and strength) and body segments (UL and LL).

Understand the effect of acute responses of the frequency domain of Heart Rate Variability, LF anf HF, both calculated in absolute (ms2) and normalized units (nu), comparing the behavior of these indices of in rest periods and immediate recovery after effort. Besides, to analyze the changes observed when applying different training intensities (endurance protocol 40% 1RM, and strength protocol 80% 1 RM) and body segments (elbow flexion [UL] and knee extension [LL]).

LF: spectral components of low frequency, 0.04 - 0.15Hz HF: spectral components of high frequency, 0.15 - 0.40 Hz
the moments before and immediately after Resistance Training, performed with different intensities (endurance and strength) and body segments (UL and LL).

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Universidade Estadual Paulista Júlio de Mesquita Filho

Investigators

  • Study Director: Luiz Carlos M Vanderlei, Professor, Universidade Estadual Paulista - FCT/UNESP

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

August 1, 2011

Primary Completion (Actual)

November 30, 2012

Study Completion (Actual)

January 20, 2015

Study Registration Dates

First Submitted

August 28, 2020

First Submitted That Met QC Criteria

September 23, 2020

First Posted (Actual)

September 30, 2020

Study Record Updates

Last Update Posted (Actual)

September 30, 2020

Last Update Submitted That Met QC Criteria

September 23, 2020

Last Verified

September 1, 2020

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • 34303014.6.0000.5515

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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