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Completed

NCT Number: NCT04361539

Shoulder Muscle Imbalance as a Risk for Shoulder Injury in Elite Adolescent Badminton Players

Background: To assess the impact of pre-season clinical measures and rotator muscles strength on the risk of significant shoulder injury (SSI) in elite adolescent badminton players Design: Prospective cohort study Participants: Nine elite adolescents badminton players were included and followed from September 2018 to May 2019.

Independent variables: A pre-season visit consisted in clinical and isokinetic shoulder strength testing. Isokinetic internal and external rotator shoulder muscles strength was tested at 60, 120 and 240°/s. Conventional and functional (eccentric-to-concentric) ratios (FR) were calculated. SSI collection was performed by an experienced sport physician.

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Key information

Conditions

Sport Injury Shoulder Injuries Wounds and Injuries

Sex eligibility

All sexes

Study type

Observational

Primary location

CHU Caen Normandie

Caen, 14000, France

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • All the elite adolescent badminton players from a high-level club.

Exclusion criteria

  • Players who had SSI in the 3 months prior to the isokinetic test or had shoulder surgery

Treatment and study plan

Primary outcomes

  1. Change from Baseline Isokinetic strength testing (peak torques) at 8 months

    Time frame: Two evaluations, one preseason (september 2018) and one postseason (may 2019) visits

    Shoulder rotator muscles isokinetic strength test, Measures: Peak Torque on internal rotator muscles (IR) and external rotator muscles (ER), in NM (newton.meter)

  2. Change from Baseline Isokinetic strength testing (ratios) at 8 months

    Time frame: Two evaluations, one preseason (september 2018) and one postseason (may 2019) visits

    Shoulder rotator muscles isokinetic strength test, Measures: ratios between external rotator muscles (ER) and internal rotator muscles (IR) (ER:IR), in percent (%)

  3. Clinical measurements, ROM

    Time frame: One evaluation, one preseason visit (september 2018)

    Shoulder internal and external rotation range of motion (ROM)

  4. Clinical measurements TAD

    Time frame: One evaluation, one preseason visit (september 2018)

    table-to-acromion distance (in cm)

  5. Significant Shoulder Injury (SSI) collection (number of injury)

    Time frame: During the badminton season, the number (number, n) of injury was recorded from september 2018 to may 2019

    Significant Shoulder Injury (SSI) collection for the number of injury

  6. Significant Shoulder Injury (SSI) collection (type of injury)

    Time frame: During the badminton season, the type of injury (number, n) was recorded from september 2018 to may 2019

    Significant Shoulder Injury (SSI) collection for the type of injury

  7. Significant Shoulder Injury (SSI) collection (time lost from participation)

    Time frame: During the badminton season, the time lost from participation was recorded (in days) from september 2018 to may 2019

    Significant Shoulder Injury (SSI) collection for time lost from participation due to the injury

Sponsors and collaborators

Lead sponsor

University Hospital, Caen

Other

Registry information

Official study title

Shoulder Muscle Imbalance as a Risk for Shoulder Injury in Elite Adolescent Badminton Players : a Prospective Pilot Study

Acronym: BADIRMS

Important dates

Study start
2018
Primary completion
2018
Study completion
2019
First posted
Apr 24, 2020
Registry last updated
Mar 26, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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