High Intensity Interval Training, Creatine Intake and Anaerobic Power

Summary

Creatine is an ergogenic aid with positive effects on muscle and performance. The aim of the study was to determine whether there is a difference between the effects of creatine supplementation taken together with Wingate-based HIIT on anaerobic power, leg strength, heart rate variability and body composition. In the study, Wingate-based HIIT program was applied three days a week for six weeks. Anaerobic power (Wingate anaerobic power test), heart rate variability (Polar H10 chest band), leg strength (back and leg dynamometer) and body composition (PlusAvis 333) measurements of the participants were made 1 week before the training program started and the week after the training program ended. Twenty physically active adult men aged 18-30 were voluntarily included for the study. Participants were divided into two groups: Wingate-based HIIT with creatine supplementation (K-HIIT) and Wingate-based HIIT only (HIIT). As a result of the analysis, it was seen that creatine supplementation taken together with wingate-based HIIT had an effect and increased on the anaerobic power parameters, peak power, average power and minimum power values, and leg strength. In addition, it was determined that heart rate variability parameters improved heart rate (HR, beat/min) and low frequency (LF, ms2) values, but did not cause any change in body composition. Comparing and investigating the effects of different HIIT methods on anaerobic power, leg strength, heart rate variability and body composition will increase the generalizability of the study.

Conditions

• Creatine
• High Intensity Interval Training

Interventions

DIETARY_SUPPLEMENT

Creatine

To observe the effects of creatine in the study, 10 g of creatine supplementation was taken only on training days during the study period. Participants used 10 g of creatine monohydrate by dissolved in 200 ml of water. Creatine supplementation was taken in two doses of five grams, 30 minutes before and after training.

OTHER

HIIT training

In the first three weeks: Warm-up: Warm-up at 70 rpm for 4 minutes, including 2-3 seconds of maximal sprint at 1.30 and 2.30 minutes Wingate-based HIIT: HIIT 4 sets of 12x15 seconds of maximal repetitions with 15 seconds of passive rest between reps in each set Cool-down: 4 minutes of passive rest between sets In the last three weeks: Warm-up: Warm-up at 70 rpm for 4 minutes, including 2-3 seconds of maximal sprint at 1.30 and 2.30 minutes Wingate-based HIIT: HIIT 5 sets of 20x15 seconds of maximal repetitions with 15 seconds of passive rest between reps in each set Cool-down: 4 minutes of passive rest between sets

Sponsors & Collaborators

• Ankara University

  lead OTHER

Principal Investigators

• Dicle Aras · Ankara University Faculty of Sport Sciences

Study Design

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Model

PARALLEL

Eligibility

Min Age

18 Years

Max Age

30 Years

Sex

MALE

Healthy Volunteers

Yes

Timeline & Regulatory

Start

2022-03-10

Primary Completion

2022-08-01

Completion

2023-01-15

Countries

• Turkey (Türkiye)

Study Locations