High Intensity Resistance Training Combined With Blood Flow Restricted Exercise in Elite Handball Players

Not Applicable

• Conditions: Hypertrophy

• Registration Number: NCT04750694
• Lead Sponsor: Department of Public Health, Denmark

Brief Summary

Purpose of the study is: to investigate the effects of 8 weeks intervention of high intensity resistance training(HIRT) combined with Blood Flow Restricted Exercise (BFRE) compared to high intensity resistance training alone.

Detailed Description: 30 elite handball players will be randomized into 2 groups of 15 participants each. Participants will be evaluated in the week before and the week after an 8-weeks training intervention with 2 weekly sessions. Based on their baseline muscle strength the participants will be randomized into two groups: HIRT-BFRE or HIRT-HIRT. Participants in both groups will perform a full-body training programme of HIRT. After the Full-body programme, Back squat exercise with low intensity and Blood flow restriction will be performed to the HIRT-BFRE group and back squat exercise with high intensity without blood flow restriction will be performed by HIRT-HIRT. Evaluation protocol includes: muscle strength measurement with 1 repetition maximum of Back squat and knee extension, muscle mass with Dual-Energy X-ray absorptiometry, muscle thickness of the thigh with ultra sound measurement, vertical jump height with linear Encoder, sprint performance with 30m sprint time.

Detailed Description

Not available

Study Timeline

• Study Start: 2020-11-01
• Study First Submitted: 2020-11-17
• Status Verified: 2021-02
• Study First Submitted QC: 2021-02-10
• Last Update Submitted: 2021-02-10
• Study First Posted: 2021-02-11
• Last Update Posted: 2021-02-11
• Primary Completion: 2021-11-01
• Study Completion: 2021-11-01

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

• Age >= 18 years
• Ds
• Minimum of 2 years of resistance training experience
• >< Two resistance training sessions each week
• >< three handball sessions each week
• No injuries that prevent participants to perform test of maximal muscle strength
• No injuries, that affects the muscle strength or the ability to train

Exclusion Criteria

• Elevated blood pressure (>140/90)
• Anabolic steroids or prescription-only medical products with know or potential effect on muscle hypertrophy

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Primary Outcome Measures

Name	Time	Method
Change in Maximal Muscle Strength	Baseline measurements at week 1, after four weeks of exercise at week 5 and post intervention at week 10.	Change in 1 RM (repetition maximum) muscle strength in back squat

Secondary Outcome Measures

Name	Time	Method
Change in Lean body mass	Baseline measurements at week 1 and post intervention at week 10.	Change in lean body mass assessed by Dual Energy X-ray Absorptiometry

Trial Locations

Locations (1)

Dept. of Public Health; 🇩🇰 Aarhus, Denmark