The Relationship Between Upper Extremity Anthropometric Measurements and Reaction Time

January 15, 2026 updated by: Lütfiye AKKURT, MSc, Kutahya Health Sciences University
Our study aimed to examine the relationship between upper extremity anthropometric measurements and reaction time in healthy individuals. Also, we aimed to investigate whether there are differences between dominant and non-dominant upper extremity anthropometric measurements and reaction time.

Study Overview

Status

Completed

Conditions

Detailed Description

Reaction time is the time between the presentation of a stimulus and the generation of a response. It consists of various processes including sensory processing, information processing, decision-making, and motor response. Reaction time is also affected by various factors such as task complexity, attention level, and the individual's condition. Muscle strength has been shown to affect reaction time in different age groups. Studies in the literature have determined that reaction time is a factor affecting performance in athletes, individuals with orthopedic diseases, and the elderly. Therefore, identifying the factors affecting reaction time is important. We aimed to investigate the relationship between upper extremity anthropometric measurements and reaction time in healthy individuals.

Study Type

Observational

Enrollment (Actual)

50

Contacts and Locations

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

Study Locations

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

  • Adult

Accepts Healthy Volunteers

Yes

Sampling Method

Probability Sample

Study Population

Having undergone surgery on their upper and lower extremities, Using orthotics Having deformities and contractures Having neurological diseases

Description

Inclusion Criteria:

  • Being between 18-30 years old
  • Not having undergone any surgery on the upper or lower extremities

Exclusion Criteria:

-

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Upper Extremity Anthropometric Measurements
Time Frame: Baseline
Upper extremity length measurements were performed twice and the average score was recorded. Total upper extremity, arm and forearm length measurements were taken with a Harpenden anthropometer. Hand, palmar (palm), thumb, index finger, middle finger, ring finger, little finger, hand width and hand opening length measurements were taken with a digital caliper (Dasqua, Italy).
Baseline

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Reaction time measurement
Time Frame: Baseline
Reaction time was assessed using the Blazepod device (Blazepod 1.0). A four-LED evaluation panel was used for measurement. Individuals were asked to turn off the LEDs as quickly as possible while in a seated position. The average time between the LEDs turning on and the individuals touching and turning them off the illuminated sensors was recorded by the device in milliseconds for each hand separately. A one-minute rest period was given between tests. The test was conducted twice, and the best score was recorded. The dominant and non-dominant upper extremities were evaluated, respectively
Baseline

Collaborators and Investigators

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

Sponsor

Kutahya Health Sciences University

Investigators

  • Study Director: Lütfiye AKKURT, PhD, Kutahya Health Sciences University
  • Principal Investigator: Hasan Hüseyin GÜNGÖR, Undergraduate Student, Kutahya Health Sciences University
  • Principal Investigator: Yusuf ÖZTÜRK, Undergraduate Student, Kutahya Health Sciences University

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)

May 15, 2025

Primary Completion (Actual)

December 30, 2025

Study Completion (Actual)

January 6, 2026

Study Registration Dates

First Submitted

January 7, 2026

First Submitted That Met QC Criteria

January 15, 2026

First Posted (Actual)

January 21, 2026

Study Record Updates

Last Update Posted (Actual)

January 21, 2026

Last Update Submitted That Met QC Criteria

January 15, 2026

Last Verified

May 1, 2025

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • 2024/14-22

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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