Acute Effect of Blood Flow Restricted High-Intensity Resistive Training
Condition: High-Intensity Interval Training; Blood Flow Restriction Exercise
Study type: Interventional

Summary: 
      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.
    


Intervention name(s): high intensity with blood flow restriction; high intensity without blood flow restriction group
Intervention type(s): Other; Other
Intervention description(s): 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.; 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.
Allocation: Randomized
Intervention model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary purpose: Supportive Care