DEVELOPMENT AND PSYCHOMETRIC EVALUATION OF THE NEUROCOGNITIVE UPPER EXTREMITY TESTS: A RELIABILITY AND VALIDITY STUDY
Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18-40
SponsorHacettepe University
About this trial
The goal of this observational study is to develop an upper extremity neurocognitive performance test battery, determine its reliability and validity, and investigate the effect of neurocognitive load on test performance in athletes and healthy volunteers aged 18-40.
The main questions it aims to answer are:
Are the developed upper extremity neurocognitive tests reliable and valid tool for assessment?
Does the addition of neurocognitive load significantly affect upper extremity physical performance scores?
Are the neurocognitive performance test results related to shoulder rotator cuff muscle strength, rate of force development, and shoulder function?
Researchers will compare the neurocognitive performance of athletes to healthy non-athlete individuals to see if the test battery can effectively differentiate between these two groups (discriminative validity).
Participants will:
Complete demographic forms and questionnaires regarding activity level and shoulder function.
Undergo shoulder range of motion and isometric strength/rate of force development assessments.
Perform a battery of 4 neurocognitive tests integrated with a light-based reaction system.
Perform the same functional tests without neurocognitive load to serve as a baseline for comparison.
(Athletes only) Attend additional sessions to evaluate the feasibility of the tests and to assess test-retest reliability with a one-week interval.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Individuals between the ages of 18 and 40
No passive range of motion limitations in the shoulder joint
Classified as healthy with no history of injury in the past year according to the Extended Nordic Musculoskeletal Questionnaire
Volunteered to participate in the study[cite: 1].
Disqualifiers
Presence of symptomatic upper extremity pathology
History of upper extremity and/or trunk injury or surgery in the last 12 months
History of ongoing neck pain, neurological symptoms in any extremity, or back, hip, or knee pain in the last 12 months
Presence of a health condition that could cause a decrease in shoulder strength, such as inflammatory arthritis or neurological disorders
Trial population
Participants are selected based on their availability and meeting specific inclusion criteria from targeted environments (sports clubs and clinics) rather than random selection from the general population. Primary Location: The study is conducted at the Hacettepe University, Faculty of Physical Therapy and Rehabilitation, Department of Sports Physiotherapy and Rehabilitation in Ankara, Turkey. Athlete Cohort: Participants are recruited from local sports clubs operating in Ankara and individuals who have applied to the same university. Control Cohort: Healthy, non-athlete individuals are recruited from those applying to the same university who meet the specific activity-level requirements for the control group. Geographic Context: The population is primarily composed of individuals residing in or around the Ankara who can visit the clinic for assessment. Setting: All evaluations take place in a specialized clinical biomechanics and sports rehabilitation laboratory environment.
Trial design
Design model
Case-control
Time perspective
Cross-sectional
Treatments tested in this trial
Not listed
Trial groups
30 Participants
are grouped into 2 trial groupsGroup A: Athlete Group
Group B: Non-Athlete Group
Trial outcomes
Primary outcomes
1
Test-Retest Reliability of the Neurocognitive Test Battery
Evaluated using the Intraclass Correlation Coefficient (ICC) to determine the consistency of scores obtained from the four neurocognitive tests when administered one week apart to the athlete group.
Time frame
Baseline (Session 2) and 1 week later (Session 3)2
Concurrent Validity
Measured by analyzing the correlation (Pearson or Spearman coefficients) between the neurocognitive performance test results and physical parameters, including shoulder rotator cuff isometric strength and Rate of Force Development (RFD).
Time frame
During the second evaluation session (approx. 60 minutes).3
Discriminative Validity
Measured by comparing the neurocognitive performance scores between the athlete group and the healthy control group to determine if the battery can distinguish between different activity levels.
Time frame
Single evaluation session (approx. 60 minutes).Secondary outcomes
1
Dual-Task Interference
Comparison of performance scores (number of touches or tosses) between tasks performed with neurocognitive load (reactive lights) and traditional versions of the same tests without cognitive load.
Time frame
During the second evaluation session (approx. 60 minutes)Sponsors and contacts
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Source ClinicalTrials.gov
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