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.
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.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
60
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 performed in loose position of the shoulder accompanied with 8--week long proprioception training
Placebo performed in loose position of the shoulder accompanied with 8--week long proprioception training
Harkány Thermal Rehabilitation Centre
Harkány, Please Select, Hungary
Internal rotation of the dominant glenohumeral joint
Measurement of active internal rotation of the dominant glenohumeral joint with goniometer expressed in degree
Time frame: after 8 weeks
Flexion of the dominant glenohumeral joint
Measurement of active flexion of the dominant glenohumeral joint with goniometer expressed in degree
Time frame: after 8 weeks
Extension of the dominant glenohumeral joint
Measurement of active extension of the dominant glenohumeral joint with goniometer expressed in degree
Time frame: after 8 weeks
Abduction of the dominant glenohumeral joint
Measurement of active abduction of the dominant glenohumeral joint with goniometer expressed in degree
Time frame: after 8 weeks
Adduction of the dominant glenohumeral joint
Measurement of active adduction of the dominant glenohumeral joint with goniometer expressed in degree
Time frame: after 8 weeks
External rotation of the dominant glenohumeral joint
Measurement of active external rotation of the dominant glenohumeral joint with goniometer expressed in degree
Time frame: after 8 weeks
Western Ontario Shoulder Instability Index
Western Ontario Shoulder Instability Index of the dominant shoulder
Time frame: after 8 weeks
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Posterior Shoulder Endurance Test
Muscle strength test of the dominant shoulder expressed in Newton
Time frame: after 8 weeks
Proprioception of the shoulder
Proprioception of the shoulder measured with plurimeter expressed in degree
Time frame: after 8 weeks
Davies test
Measurement of proprioception and muscle strength test by the Davies test expressed in amount of success touch
Time frame: after 8 weeks
Sportspecific proprioception test
Measurement of the precision of serving expressed in centimeter
Time frame: after 8 weeks