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NCT Number: NCT07798635

SJFT Performance, Inhibitory Control, and Attention in Young Judokas

This study will examine the relationship between judo-specific physical fitness and cognitive performance in young male judo athletes and will evaluate the immediate effects of the Special Judo Fitness Test (SJFT) on attention and inhibitory control. Licensed male judo athletes who train regularly at least three days per week will be compared with male participants who do not actively participate in sports.

Judo athletes will complete a standardized warm-up followed by the SJFT, a judo-specific high-intensity fitness test involving repeated throws performed over three short exercise periods separated by brief rest intervals. Heart rate will be measured immediately after the SJFT and again one minute later.

Cognitive performance will be assessed using a computerized Flanker Task, which will measure reaction time and response accuracy while participants respond to relevant visual information and ignore distracting information. Judo athletes will complete the Flanker Task approximately one minute before and one minute after the SJFT. Participants in the control group will complete the same cognitive assessment twice over a similar time interval without performing the physical exercise.

The study will aim to determine whether judo-specific physical fitness and judo experience are associated with attention and inhibitory control and whether a single high-intensity judo-specific exercise session will produce an immediate change in cognitive performance.

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Key information

Age range

18 year–30 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Male participants residing in Istanbul. For the judo group: licensed judo athletes who regularly participate in judo training at least three days per week.

For the control group: individuals who are not actively involved in any sports branch.

Right-handed participants, as determined using the Edinburgh Handedness Inventory.

Participants who provide informed consent to participate in the study.

Exclusion criteria

History of visual impairment. History of neurological disorders. History of psychiatric disorders. History of cardiovascular disease. Current medication use.

Treatment and study plan

Special Judo Fitness Test (SJFT)

Behavioral

The Special Judo Fitness Test is a judo-specific high-intensity exercise test consisting of three exercise periods: 15 seconds, 30 seconds, and 30 seconds, with 10-second rest intervals between periods. During the test, the participant will perform as many ippon-seoi-nage throws as possible using two partners positioned six meters apart.

Primary outcomes

  1. Change in Flanker Task Correct Responses

    Time frame: Approximately 1 minute before and 1 minute after the intervention

    Response accuracy will be assessed using a computerized Flanker Task. The number of correct responses will be recorded separately for congruent and incongruent trials. Higher numbers of correct responses indicate greater response accuracy.

  2. Change in Flanker Task Reaction Time

    Time frame: Approximately 1 minute before and 1 minute after the intervention

    Reaction time will be assessed for congruent and incongruent trials using a computerized Flanker Task. Lower reaction times indicate faster cognitive responses.

Sponsors and collaborators

Lead sponsor

Bogazici University

Other

Registry information

Official study title

The Relationship Between Special Judo Fitness Test (SJFT) Performance and Inhibitory Control and Selective Attention in Young Judokas

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Sep 1, 2026
Registry last updated
Sep 1, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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