Assessment of the Reliability and Validity of the Leg Lateral Reach Test in Adolescent Tennis Players

January 24, 2024 updated by: Sevim Beyza Ölmez, Gazi University

Assessment of the Reliability and Validity of the Leg Lateral Reach Test to Measure Thoraco-Lumbo-Pelvic Rotation in Adolescent Tennis Players

The aim of this study is to evaluate the reliability and validity of the Leg Lateral Reach Test to measure thoraco-lumbo-pelvic segment mobility in adolescent tennis players. The fact that the test is valid and reliable for tennis players will contribute to monitoring trunk rotation flexibility in athletes, comparing them bilaterally, and revealing the exercise training necessary to improve performance.

Study Overview

Detailed Description

Tennis is a sport characterized by coordinated, repetitive, and rotational movements along the kinetic chain. Ineffective use of the trunk segment to generate rotational momentum is thought to increase the load on the upper extremity. Limited trunk rotation flexibility can cause abnormal trunk motion patterns, resulting in lower back injuries and pain as well as upper extremity injuries in throwing athletes. Therefore, assessment of trunk flexibility in athletes who perform repetitive trunk rotations, such as tennis players, is critical for effective rehabilitation and prevention of sports injuries.

The Leg Lateral Reach Test was developed to measure the rotation of the thoraco-lumbo-pelvic segment and was found to be valid and reliable in physically active, healthy individuals. Therefore, the aim of this study is to evaluate the reliability and validity of the Leg Lateral Reach Test to measure thoraco-lumbo-pelvic segment mobility in adolescent tennis players. The fact that the test is valid and reliable for tennis players will contribute to monitoring trunk rotation flexibility in athletes, comparing them bilaterally, and revealing the exercise training necessary to improve performance.

Study Type

Interventional

Enrollment (Actual)

24

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

      • Ankara, Turkey, 06490
        • Gazi University
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult

Accepts Healthy Volunteers

Yes

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: N/A
  • Interventional Model: Sequential Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Experimental group
adolescent tennis player

To conduct the leg reach test, participants began by positioning themselves with their arms hanging at their sides. They were then guided to raise the leg under assessment and extend it across the opposite leg to make contact with a wooden bar, employing trunk rotation in the process. During each trial, participants were consistently motivated to ensure that both shoulders remained in contact with the floor and to stretch their tested leg as far as they could along the length of the wooden bar. If a participant was unable to sustain contact between their foot and the wooden bar for a duration of 5 seconds at the point of maximal reach, or if both shoulders lifted off the floor, that specific trial was considered invalid and not included in the analysis.

Each participant completed three repetitions of this test for both the right and left sides, and the average of their reach distances was subsequently calculated for assessment.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Leg Lateral Reach Test-1
Time Frame: first day
The leg lateral reach test will be measured by the first investigator.
first day
Leg Lateral Reach Test-2
Time Frame: first day
The leg lateral reach test will be measured by the second investigator.
first day
Leg Lateral Reach Test-3
Time Frame: 5-7 days after
The leg lateral reach test will be measured by the first investigator.
5-7 days after
Leg Lateral Reach Test-4
Time Frame: 5-7 days after
The leg lateral reach test will be measured by the second investigator.
5-7 days after
Seated Rotation Test
Time Frame: first day
A seated rotation test will be measured for validity analysis.
first day

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Sevim Beyza Ölmez, Gazi University
  • Study Director: Zeynep Hazar, Gazi University
  • Principal Investigator: Elif Aygün Polat, Gazi University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 15, 2023

Primary Completion (Actual)

November 15, 2023

Study Completion (Actual)

January 15, 2024

Study Registration Dates

First Submitted

August 29, 2023

First Submitted That Met QC Criteria

August 29, 2023

First Posted (Actual)

September 6, 2023

Study Record Updates

Last Update Posted (Estimated)

January 25, 2024

Last Update Submitted That Met QC Criteria

January 24, 2024

Last Verified

January 1, 2024

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

There is not a plan to make IPD available.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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