Acute Effect of Blood Flow Restricted High-Intensity Resistive Training

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

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-03-07

Study Completion Date

2022-12-07

Brief Summary

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Recommended by many professional organizations such as the American College of Sports Medicine (ACSM) and the National Strength and Conditioning Association (NSCA), resistance exercise training improves muscle strength, body composition, performance, functionality and quality of life in healthy young adults. Blood flow restriction (BFR), also known as Kaatsu training, is proposed as a new method to improve muscle strength and muscle hypertrophy in a short time. Although there are studies in the literature in which BFR is applied with low-intensity resistance training, no studies have been found examining the effects of BFR applied with high-intensity resistance training on the neuromuscular adaptations of the quadriceps femoris muscle. Determining whether high-intensity resistance training with BFR is more effective on the quadriceps femoris muscle compared to high-intensity resistance training applied without BFR may provide faster and more effective responses by arranging resistance training protocols in terms of neuromuscular gains. Between 07.03.2022 and 07.06.2022, in the Biruni University Physiotherapy and Rehabilitation Department Application Laboratory, in which 24 healthy young adults between the ages of 18-25 (from 12 BFR, 12 BFR) will be included, exercise training to be applied with and without BFR was determined. Its effects will be compared with electromyographic measurement, single leg squat test, and measurement of late-onset muscle pain (Visual Analog Scale). IBM SPSS 21.0 statistical program will be used for statistical analysis. Whether the variables are suitable for normal distribution will be analyzed with the Shapiro-Wilk test. If the variables show normal distribution, the variation within the group will be analyzed with the paired samples t test, and if it does not show normal distribution, the Wilcoxon Signed rank test will be analyzed. Comparison of groups will be made with independent samples t-test in independent groups if the variables show normal distribution, and with Mann Whitney-U test if they do not show normal distribution. Categorical data distributions will be evaluated with the Chi-square test.

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Detailed Description

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Conditions

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High-Intensity Interval Training Blood Flow Restriction Exercise

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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high intensity with blood flow restriction group

Group Type EXPERIMENTAL

high intensity with blood flow restriction

Intervention Type OTHER

Participants in high intensity with blood flow restriction group (n=12) will be given high-intensity resistance exercise training that restricts blood flow. Open kinetic chain rectus femoris resistance exercise training will be given with free weights, 80% of 1 RM with 8 repetitions, 2 sets and 3 minutes rest between sets. The exercises will be performed in a single session accompanied by a physiotherapist. A blood pressure cuff will be used to restrict blood flow. By applying the cuff to the proximal of the muscle, the blood flow will be restricted with a pressure of 150 mmHg and the muscle will be exercised in this way. After the exercise, the cuff will be removed and evaluations will be made after 2 minutes of rest.

high intensity without blood flow restriction group

Group Type ACTIVE_COMPARATOR

high intensity without blood flow restriction group

Intervention Type OTHER

Participants in high intensity without blood flow restriction group (n=12) will be given high-intensity resistance exercise training. Open kinetic chain rectus femoris resistance exercise training will be given with free weights, 80% of 1 RM with 8 repetitions, 2 sets and 3 minutes rest between sets. The exercises will be performed in a single session accompanied by a physiotherapist. After the exercise, after 2 minutes of rest, evaluations will be made.

Interventions

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high intensity with blood flow restriction

Participants in high intensity with blood flow restriction group (n=12) will be given high-intensity resistance exercise training that restricts blood flow. Open kinetic chain rectus femoris resistance exercise training will be given with free weights, 80% of 1 RM with 8 repetitions, 2 sets and 3 minutes rest between sets. The exercises will be performed in a single session accompanied by a physiotherapist. A blood pressure cuff will be used to restrict blood flow. By applying the cuff to the proximal of the muscle, the blood flow will be restricted with a pressure of 150 mmHg and the muscle will be exercised in this way. After the exercise, the cuff will be removed and evaluations will be made after 2 minutes of rest.

Intervention Type OTHER

high intensity without blood flow restriction group

Participants in high intensity without blood flow restriction group (n=12) will be given high-intensity resistance exercise training. Open kinetic chain rectus femoris resistance exercise training will be given with free weights, 80% of 1 RM with 8 repetitions, 2 sets and 3 minutes rest between sets. The exercises will be performed in a single session accompanied by a physiotherapist. After the exercise, after 2 minutes of rest, evaluations will be made.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Between the ages of 18-25
* Healthy
* Be volunteer to participate the study

Exclusion Criteria

* Pregnancy
* Breastfeeding status
* Cardiovascular disease
* Musculoskeletal problems
* Orthopedic problems related to the lower extremities
* Peripheral or central neurological disorders

Minimum Eligible Age

18 Years

Maximum Eligible Age

25 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes