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The Relationship Between Scapular Endurance, Core Endurance, and Functional Performance in Adolescent Tennis Players

NCT ID: NCT06291701

Last Updated: 2024-12-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

35 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-03-15

Study Completion Date

2024-04-15

Brief Summary

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This study aims to examine the relationship between scapular endurance, core endurance, and upper extremity performance in adolescent tennis players. The hypothesis of this study is that better scapular/core endurance in adolescent tennis players is associated with better upper extremity performance. Establishing this relationship will contribute to identifying the exercise training necessary to improve upper extremity performance in tennis players.

Detailed Description

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Tennis is a sport characterized by coordinated, repetitive, and powerful movements along the kinetic chain. Being both overhead and rotational, achieving a good shot in tennis involves transferring high forces and energy from the lower extremities to the upper extremities through the trunk. In this context, core muscles play a crucial role in athletic performance by stabilizing the shoulder girdle, pelvis, and spine, acting as a pivot point for extremity movements. Therefore, good core strength is essential during a stroke. Additionally, as the acceleration of the ball is influenced by both maximum external and internal rotation of the shoulder, tennis players require good shoulder mobility and stability. In this regard, the scapula in the shoulder girdle provides a stable foundation for the glenohumeral mobility necessary for the shot. Both the core and scapular regions serve as pivot points for upper extremity functional activities. Therefore, this study aims to examine the relationship between scapular endurance, core endurance, and upper extremity performance in adolescent tennis players. The hypothesis of this study is that better scapular/core endurance in adolescent tennis players is associated with better upper extremity performance. Establishing this relationship will contribute to identifying the exercise training necessary to improve upper extremity performance in tennis players.

Conditions

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Athletic Injuries Sports Physical Therapy

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Other

adolescent tennis player

Assessment of scapular endurance

Intervention Type DIAGNOSTIC_TEST

For the assessment of scapular endurance, participants will be instructed to bend their arms and elbows while keeping a wooden rod placed between their elbows, pull a spring dynamometer placed between thei

Prone Bridge Test

Intervention Type DIAGNOSTIC_TEST

For the "Prone Bridge Test," participants will be instructed to lie face down with their hands and feet shoulder-width apart and then raise their bodies off the ground by lifting themselves up on their hands, forearms, and toes. A stopwa

Side Bridge Test

Intervention Type DIAGNOSTIC_TEST

For the "Side Bridge Test," participants will be asked to lie on their right side, supporting themselves on their forearm and elbow, and lift themselves off the ground. A stopwatch will be started, and the test will be terminated if there is any deviation from the position. The elapsed time will be recorded in seconds. The test will then be repeated on the left side.

Closed Kinetic Chain Upper Extremity Stability Test

Intervention Type DIAGNOSTIC_TEST

For the Closed Kinetic Chain Upper Extremity Stability Test, participants will be asked to assume a push-up position on a flat surface with their hands placed on two parallel lines drawn 90 cm apart. They will then be instructed to touch one hand to the other hand's side as many times as possible within 15 seconds. The test will be repeated three times, and the average of the scores will be calculated.

Seated Medicine Ball Throw Test

Intervention Type DIAGNOSTIC_TEST

For the "Seated Medicine Ball Throw Test," participants will be asked to sit on the ground with their back, shoulders, and head against the wall. Holding a 2 kg medicine ball with both hands, they will start with their elbows bent and arms at their sides, then extend their elbows to throw the ball forward as far as possible. The distance between the wall and the point where the ball lands will be recorded. The test will be performed three times, and the average will be calculated.

Interventions

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Assessment of scapular endurance

For the assessment of scapular endurance, participants will be instructed to bend their arms and elbows while keeping a wooden rod placed between their elbows, pull a spring dynamometer placed between thei

Intervention Type DIAGNOSTIC_TEST

Prone Bridge Test

For the "Prone Bridge Test," participants will be instructed to lie face down with their hands and feet shoulder-width apart and then raise their bodies off the ground by lifting themselves up on their hands, forearms, and toes. A stopwa

Intervention Type DIAGNOSTIC_TEST

Side Bridge Test

For the "Side Bridge Test," participants will be asked to lie on their right side, supporting themselves on their forearm and elbow, and lift themselves off the ground. A stopwatch will be started, and the test will be terminated if there is any deviation from the position. The elapsed time will be recorded in seconds. The test will then be repeated on the left side.

Intervention Type DIAGNOSTIC_TEST

Closed Kinetic Chain Upper Extremity Stability Test

For the Closed Kinetic Chain Upper Extremity Stability Test, participants will be asked to assume a push-up position on a flat surface with their hands placed on two parallel lines drawn 90 cm apart. They will then be instructed to touch one hand to the other hand's side as many times as possible within 15 seconds. The test will be repeated three times, and the average of the scores will be calculated.

Intervention Type DIAGNOSTIC_TEST

Seated Medicine Ball Throw Test

For the "Seated Medicine Ball Throw Test," participants will be asked to sit on the ground with their back, shoulders, and head against the wall. Holding a 2 kg medicine ball with both hands, they will start with their elbows bent and arms at their sides, then extend their elbows to throw the ball forward as far as possible. The distance between the wall and the point where the ball lands will be recorded. The test will be performed three times, and the average will be calculated.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Adolescent tennis players

Exclusion Criteria

* Athletes with a history of musculoskeletal injury or surgery in the last year that would prevent the tests from being performed
* Athletes who feel pain in the trunk and lower extremities during the tests
Minimum Eligible Age

11 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Ordu University

OTHER

Sponsor Role lead

Responsible Party

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Elif AYGUN POLAT

PhD, PT

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Sevim Beyza OLMEZ, PhD

Role: PRINCIPAL_INVESTIGATOR

Karamanoğlu Mehmetbey University

Zeynep Hazar, Prof

Role: STUDY_DIRECTOR

Gazi University

Locations

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Ordu University

Ordu, , Turkey (Türkiye)

Site Status

Countries

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Turkey (Türkiye)

Other Identifiers

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ODUSBFFTR-ELIFAYGUNPOLAT-002

Identifier Type: -

Identifier Source: org_study_id