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

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-11-01

Study Completion Date

2021-11-01

Brief Summary

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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.

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Detailed Description

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Conditions

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Hypertrophy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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RT + BFRE

High intensity Resistance training combined with Blood Flow

Group Type EXPERIMENTAL

Resistance training

Intervention Type BEHAVIORAL

A full-training programme with high intensity followed by back squat exercise with blood flow restriction. Inflatable cuffs will be placed proximally on both thighs. The cuff pressure will be 50% of individual arterial occlusion pressure and will be maintained during the rest intervals. Participants will perform 30, 15, 15 and 15 repetitions of 30% of 1 Repetition Maximum. Totally 75 repetitions will be performed. 45 seconds rest interval between sets will be given.

RT

Resistance training alone

Group Type ACTIVE_COMPARATOR

Resistance training

Intervention Type BEHAVIORAL

A full-training programme with high intensity followed by back squat exercise with blood flow restriction. Inflatable cuffs will be placed proximally on both thighs. The cuff pressure will be 50% of individual arterial occlusion pressure and will be maintained during the rest intervals. Participants will perform 30, 15, 15 and 15 repetitions of 30% of 1 Repetition Maximum. Totally 75 repetitions will be performed. 45 seconds rest interval between sets will be given.

Interventions

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Resistance training

A full-training programme with high intensity followed by back squat exercise with blood flow restriction. Inflatable cuffs will be placed proximally on both thighs. The cuff pressure will be 50% of individual arterial occlusion pressure and will be maintained during the rest intervals. Participants will perform 30, 15, 15 and 15 repetitions of 30% of 1 Repetition Maximum. Totally 75 repetitions will be performed. 45 seconds rest interval between sets will be given.

Intervention Type BEHAVIORAL

Eligibility Criteria

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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