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| Name | Class |
|---|---|
| University of Lisbon | OTHER |
| Instituto Politécnico de Leiria | OTHER |
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The study aims to compare the performance and the 3D shoulder kinematics of volleyball attackers with and without scapular dyskinesis and shoulder symptoms in two physical performance measures of the upper extremity, and correlate their outcomes with a self-reported measure of function of the upper extremity.
Volleyball attackers with clinically identified scapular dyskinesis and with/without shoulder symptoms will be compared with respect to performance outcomes and scapular kinematics.
Performance will be assessed by means of the unilateral seated shot put test (USSPT), the upper quarter Y balance test (UQYBT), and Disabilities of the Arm, Shoulder and Hand, sports module (DASH). Pain measurements after completing physical performance measures will be assessed and rated. Relationships between physical (USSPT, UQYBT) and self-perceived (DASH) measures of performance, and with impairment-based measures (clinical measures and 3D shoulder kinematics) will be assessed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Asympt. athletes / scapular dyskinesis | Asymptomatic volleyball attackers involved in competitive events ≥ 2 years and with clinical evidence of scapula dyskinesis |
| |
| Symptom. athletes / scapular dyskinesis | Symptomatic volleyball attackers involved in competitive events ≥ 2 years and with clinical evidence of scapula dyskinesis |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Performance measures of the upper extremity | Behavioral | Athletes will perform the unilateral seated shot put test (USSPT) and the upper quarter Y balance test (UQYBT) bilaterally. |
| Measure | Description | Time Frame |
|---|---|---|
| Side-to-side differences in the unilateral seated shot put test (normalized distance thrown, in centimeters) | The unilateral seated shot put test consists of pushing (not throwing) at shoulder height a ~3kg medicine ball as far and forward as possible while keeping the axial skeleton in contact with a wall, knees bent at a right angle, feet flat on the floor, and the non-testing arm resting on the lap. | Through study completion, an average of 1 year |
| Side-to-side differences in the upper quarter Y balance test (normalized maximal distance reached in each direction, in centimeters) | The upper quarter Y balance test is performed through the assistance of a testing device (Y-Balance Test Kit), with the subject stabilizing his/her body weight with the upper extremity being tested while performing maximal reaching efforts with the free hand in three directions: medial, superolateral, and inferolateral. | Through study completion, an average of 1 year |
| Disabilities of the Arm, Shoulder and Hand (sports module) | A self-reported measure of upper extremity functioning | Through study completion, an average of 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| Side-to-side differences in 3-dimensional scapular angular displacement (in degrees) | The angular displacement of the scapula in the 3 planes of orientation: lateral/medial (upward/downward) rotation, protraction/retraction (internal/external rotation), anterior/posterior tilting. | Through study completion, an average of 1 year |
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Inclusion Criteria:
Exclusion Criteria:
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Athletes from sports organizations involved in competitive events with pain and disability in the shoulder region
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculdade de Motricidade Humana, Universidade de Lisboa | Oeiras | Cruz-Quebrada | 1499-002 | Portugal | ||
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| Side-to-side differences in 3-dimensional humerus angular displacement (in degrees) |
The angular displacement of the humerus in the 3 planes of orientation: plane of elevation, elevation/depression, axial rotation. |
| Through study completion, an average of 1 year |
| Side-to-side differences in 3-dimensional thoracic angular displacement (in degrees) | The angular displacement of the thorax in the 3 planes of orientation: flexion/extension, lateral rotation (inclination), axial rotation. | Through study completion, an average of 1 year |
| Visual Numeric Rating Scale score (0-10) | A 11-point scale to rate pain intensity | Through study completion, an average of 1 year |
| Side-to-side differences in the upper quarter Y balance test (total excursion, in centimeters) | total excursion = sum of the 3 normalized reach distances, in centimeters | Through study completion, an average of 1 year |
| Side-to-side differences in the upper quarter Y balance test (overall performance score, in centimeters) | overall performance or composite score = average score of the 3 normalized reach distances, in centimeters. | Through study completion, an average of 1 year] |
| Escola Superior de Saúde, Instituto Politécnico de Leiria |
| Leiria |
| 2411-901 |
| Portugal |
| Faculdade de Desporto, Universidade do Porto | Porto | 4200-450 | Portugal |
| ID | Term |
|---|---|
| D020069 | Shoulder Pain |
| ID | Term |
|---|---|
| D018771 | Arthralgia |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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