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Completed

NCT Number: NCT04868006

End-range Maitland Mobilization on Glenohumeral Internal Rotation Deficit and Proprioception

Glenohumeral internal rotation deficit (GIRD) is one of the main reasons for glenohumeral pain in athletes with over-head activity. As GIRD increases, the ratio between internal and external rotation changes resulting in decreased joint stability.

Joint mobilization is a possible option for the decrease of GIRD and contribution to improvement of proprioception in addition to physical therapy. The aim of this trial is to investigate the effect of end-range Maitland mobilization in addition to physical therapy on GIRD, other joint movements and proprioception.

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Key information

Conditions

Sports Physical Therapy

Age range

18 year–30 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Harkány Thermal Rehabilitation Centre

Harkány, Please Select, 7815, Hungary

About this study

Glenohumeral internal rotation deficit (GIRD) is one of the main reasons for glenohumeral pain in athletes with over-head activity. As GIRD increases, the ratio between internal and external rotation changes resulting in decreased joint stability. The occurence of GIRD and decreased joint proprioception may lead to different shoulder pathologies (e.g. Impingement syndrome).

Joint mobilization is a possible option for the decrease of GIRD and contribution to improvement of proprioception in addition to physical therapy. Several joint mobilization techniques exists, which can be applied for stretching of periarticular tissues. Maitland mobilization is a well applied mobilization type. The effectiveness of both end-range and not end-range Maitland mobilization in lengthening of periarticular tissues and improvement of joint proprioception has been previously confirmed amongst several diseases. However, the effect of end-range Maitland mobilization on decrease of GIRD and proprioception in addition to physical therapy has not been investigated in volleyball players so far.

The aim of this trial is to investigate the effect of end-range Maitland mobilization in addition to physical therapy on GIRD, other joint movements and proprioception.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • National Championship players in I. or II. level
  • at least, 10 degree deficit of glenohumeral internal rotation in the dominant shoulder compared to the non-dominant hand

Exclusion criteria

  • previous trauma or surgery on the dominant shoulder
  • participation in any kind of treatment during the intervention period

Treatment and study plan

End-range Maitland mobilization + proprioception training

Procedure

End-range Maitland mobilization performed in end position of internal rotation of the shoulder accompanied with 8--week long proprioception training

Non end-range Maitland mobilization + proprioception training

Procedure

Non end-range Maitland mobilization performed in loose position of the shoulder accompanied with 8--week long proprioception training

Sham manual therapy technique + proprioception training

Procedure

Placebo performed in loose position of the shoulder accompanied with 8--week long proprioception training

Primary outcomes

  1. Internal rotation of the dominant glenohumeral joint

    Time frame: after 8 weeks

    Measurement of active internal rotation of the dominant glenohumeral joint with goniometer expressed in degree

Secondary outcomes

  1. Flexion of the dominant glenohumeral joint

    Time frame: after 8 weeks

    Measurement of active flexion of the dominant glenohumeral joint with goniometer expressed in degree

  2. Extension of the dominant glenohumeral joint

    Time frame: after 8 weeks

    Measurement of active extension of the dominant glenohumeral joint with goniometer expressed in degree

  3. Abduction of the dominant glenohumeral joint

    Time frame: after 8 weeks

    Measurement of active abduction of the dominant glenohumeral joint with goniometer expressed in degree

  4. Adduction of the dominant glenohumeral joint

    Time frame: after 8 weeks

    Measurement of active adduction of the dominant glenohumeral joint with goniometer expressed in degree

  5. External rotation of the dominant glenohumeral joint

    Time frame: after 8 weeks

    Measurement of active external rotation of the dominant glenohumeral joint with goniometer expressed in degree

  6. Western Ontario Shoulder Instability Index

    Time frame: after 8 weeks

    Western Ontario Shoulder Instability Index of the dominant shoulder

  7. Posterior Shoulder Endurance Test

    Time frame: after 8 weeks

    Muscle strength test of the dominant shoulder expressed in Newton

  8. Proprioception of the shoulder

    Time frame: after 8 weeks

    Proprioception of the shoulder measured with plurimeter expressed in degree

  9. Davies test

    Time frame: after 8 weeks

    Measurement of proprioception and muscle strength test by the Davies test expressed in amount of success touch

  10. Sportspecific proprioception test

    Time frame: after 8 weeks

    Measurement of the precision of serving expressed in centimeter

Sponsors and collaborators

Lead sponsor

University of Pecs

Other

Registry information

Official study title

The Effect of End-range Maitland Mobilization on Glenohumeral Internal Rotation Deficit and Proprioception in Volleyball Players

Important dates

Study start
2021
Primary completion
2021
Study completion
2021
First posted
Apr 30, 2021
Registry last updated
Sep 8, 2022

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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