- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03684200
The Copenhagen Adductor Exercise Trial
Hip Adductor Muscle Strength Changes With the Copenhagen Adductor Exercise in Male Football (Soccer) Players.
The purpose of this study is to investigate the efficacy of a 6-week intervention, using the Copenhagen adductor exercise, on adductor muscle strength in sub-elite male footballers. Secondly, it will also examine the effect of a 3-week detraining period, after stopping the Copenhagen adductor exercise, on adductor muscle strength.
The primary outcome measure is eccentric hip adduction strength measured using a handheld dynamometer. Additionally, peak isometric adductor squeeze strength will also be measured using a handheld dynamometer.
The hypothesis is that strength training of the adductor muscles elicited by the Copenhagen adductor exercise will result in enhanced eccentric hip adduction strength.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Avon
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Bath, Avon, United Kingdom, BA2 7AY
- Physio & Sports Science Centre, University of Bath
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Sub-elite English football player
- Age 18-26
- Participant can read, speak and understand English.
- Participant can receive and reply to texts on a cell phone using Short Message Services (SMS).
- Able to participate fully in competitive football training at time of testing.
Exclusion Criteria:
- Hip and groin pain resulting in loss of football training and matches in the 2 months prior to commencement of the trial.
- Specific strength training of the adductor muscles (>/1 week) in the 2 months prior to commencement of the trial.
- Participant cannot attend strength testing sessions during the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Copenhagen adductor exercise
20 players allocated to the Copenhagen adductor exercise group complete a progressive strengthening programme comprising of the Copenhagen adductor exercise over a period of 6 weeks.
They will complete two exercise sessions a week consisting of one set of the Copenhagen adductor exercise.
The exercise will be performed on each side.
The training load will increase from 5 repetitions in week 1, to 15 repetitions in week 6.
The exercise programme is performed at the end of the warm-up of a regular football training session.
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The active player is supported on one forearm on the floor and the upper arm is resting along their side.
The supporting partner places their hands at the ankle and the knee of the upper leg.
The active partner raises their body from the floor and adducts both legs in a three second movement until the body reaches a straight line.
The body is then lowered to the ground in a three second movement, the foot of the lower leg touches the ground before performing another repetition.
Other Names:
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No Intervention: Control
19 players allocated to the control group will be asked not to perform the Copenhagen adductor exercise or any other specific strength training for the adductor muscles and to continue to play football as usual.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Eccentric hip adduction strength measured using a handheld dynamometer
Time Frame: Measured after intervention period (at week 6)
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Lafayette handheld dynamometer (model: 01165) will be used to produce force values in Newtons.
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Measured after intervention period (at week 6)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Eccentric hip adduction strength measured using a handheld dynamometer
Time Frame: Measured during intervention period (at week 3)
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Lafayette handheld dynamometer (model: 01165) will be used to produce force values in Newtons.
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Measured during intervention period (at week 3)
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Eccentric hip adduction strength measured using a handheld dynamometer
Time Frame: Measured prior to and after intervention period (at week 0, 7, 8 and 9)
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Lafayette handheld dynamometer (model: 01165) will be used to produce force values in Newtons.
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Measured prior to and after intervention period (at week 0, 7, 8 and 9)
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Peak isometric adductor squeeze strength measured using a handheld dynamometer
Time Frame: Measured after intervention period (at week 6)
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Lafayette handheld dynamometer (model: 01165) will be used to produce force values in Newtons.
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Measured after intervention period (at week 6)
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Peak isometric adductor squeeze strength measured using a handheld dynamometer
Time Frame: Measured during intervention period (at week 3)
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Lafayette handheld dynamometer (model: 01165) will be used to produce force values in Newtons.
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Measured during intervention period (at week 3)
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Peak isometric adductor squeeze strength measured using a handheld dynamometer
Time Frame: Measured prior to and after intervention period (at week 0, 7, 8 and 9)
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Lafayette handheld dynamometer (model: 01165) will be used to produce force values in Newtons.
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Measured prior to and after intervention period (at week 0, 7, 8 and 9)
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Maximal weekly delayed onset of muscle soreness (DOMS)
Time Frame: Measured during intervention period (at week 1, 2, 3, 4, 5 and 6)
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Measured using a 0-10 numeric rating scale (NRS).
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Measured during intervention period (at week 1, 2, 3, 4, 5 and 6)
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Rate of perceived exertion (RPE) at each session training session.
Time Frame: Measured during intervention period (at week 1, 2, 3, 4, 5 and 6)
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Measured using the 6-20 Borg Rating of Perceived Exertion Scale.
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Measured during intervention period (at week 1, 2, 3, 4, 5 and 6)
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Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- UBath (Registry Identifier: Chatwalai)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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