Clinical trial NCT03684200: The Copenhagen Adductor Exercise Trial
Official title: Hip Adductor Muscle Strength Changes With the Copenhagen Adductor Exercise in Male Football (Soccer) Players.
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Eccentric Hip Adduction Strength
Lead sponsor: University of Bath
Sponsor class: OTHER
Collaborators: name: Copenhagen University Hospital, Hvidovre
First posted: 2018-09-25
Enrollment: 39
Sex: MALE
Minimum age (years): 18
Maximum age (years): 26
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: OTHER

Brief summary: 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.


Eligibility criteria: 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.

Primary outcomes:
measure: Eccentric hip adduction strength measured using a handheld dynamometer
timeFrame: Measured after intervention period (at week 6)
Secondary outcomes:
measure: Eccentric hip adduction strength measured using a handheld dynamometer
timeFrame: Measured during intervention period (at week 3)
measure: Eccentric hip adduction strength measured using a handheld dynamometer
timeFrame: Measured prior to and after intervention period (at week 0, 7, 8 and 9)
measure: Peak isometric adductor squeeze strength measured using a handheld dynamometer
timeFrame: Measured after intervention period (at week 6)
measure: Peak isometric adductor squeeze strength measured using a handheld dynamometer
timeFrame: Measured during intervention period (at week 3)
measure: Peak isometric adductor squeeze strength measured using a handheld dynamometer
timeFrame: Measured prior to and after intervention period (at week 0, 7, 8 and 9)
measure: Maximal weekly delayed onset of muscle soreness (DOMS)
timeFrame: Measured during intervention period (at week 1, 2, 3, 4, 5 and 6)
measure: Rate of perceived exertion (RPE) at each session training session.
timeFrame: Measured during intervention period (at week 1, 2, 3, 4, 5 and 6)
Other outcomes:
Locations:
city: Bath
country: United Kingdom
facility: Physio & Sports Science Centre, University of Bath
state: Avon
Study officials:
References: