Relationship between Chronic Ankle Instability and Dynamic Postural Control in Male Youth Soccer Players - An Investigation Using an Inertial Measurement Unit (IMU) -

Relationship between Chronic Ankle Instability and Dynamic Postural Control in Male Youth Soccer Players - An Investigation Using an Inertial Measurement Unit (IMU) - - Relationship between Chronic Ankle Instability and Dynamic Postural Control in Male Youth Soccer Players - An Investigation Using an Inertial Measurement Unit (IMU) -

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059729

Enrollment

Registered

2025-11-11

Start date

2025-09-14

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Ankle Instability in soccer

Interventions

Single-Leg Drop Jump Landings in Forward, Forward-Diagonal, and Lateral Directions. Ankle joint range of motion

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1) Male high school soccer players (grades 10-12) enrolled in a high school within Gunma Prefecture 2) Individuals from whom assent and parental/guardian informed consent were obtained after reading the study's explanatory documents 3) Individuals who were able to participate in their regular team practices without restriction 4) Individuals who met the criteria for either the CAI group or the Control group based on the results of the Japanese version of the Cumberland Ankle Instability Tool (CAIT-J) and the Instability Ankle Criteria (IAC) questionnaire: ?CAI group: (1) A score of <=25 on the CAIT-J (2) A "yes" response to all selection criteria for CAI on the IAC questionnaire ?Control group: (1) A score of =>26 on the CAIT-J (2) A "no" response to one or more of the selection criteria for CAI on the IAC questionnaire

Exclusion criteria

Exclusion criteria: 1) Individuals experiencing pain during jumping or landing activities due to any orthopedic condition 2) Individuals unable to participate in regular team practices due to pain, or any orthopedic or internal medical conditions 3) Individuals who did not provide consent after reading the explanatory document (including those who did not consent to being video-recorded) 4) Individuals with a history of surgery on either lower extremity 5) Individuals who had sustained an acute injury to any lower extremity joint (including the ankle) within the three months prior to study participation, which resulted in an inability to practice for one or more days 6) Individuals with a potential skin allergy or sensitivity to the adhesive tape used for attaching the IMU sensors 7) For the Control group only: a history of two or more previous sprains to the same ankle

Design outcomes

Primary

Measure	Time frame
Kinematic Data of Single-Leg Drop Jump Landings in Forward, Forward-Diagonal, and Lateral Directions	—

Secondary

Measure	Time frame
Ankle joint range of motion	—

Countries

Japan

Contacts

Public ContactTsuyoshi TAJIKA

Gunma University Graduate School of Health Sciences Department of Rehabilitation Sciences

tajika@gunma-u.ac.jp027-220-8945

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026