The Impact of Abdominal Muscle Activation on the Execution of the Knife-Hand Block in Taekwondo

Kinematic Analysis of Knifehand Block Based on Abdominal Muscle Activation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0010894

Enrollment

Registered

2025-08-13

Start date

2025-08-27

Completion date

Unknown

Last updated

2025-08-18

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

Conditions

None listed

Interventions

Behavioral : Starting with abdominal muscle activation education before the intervention, participants will be taught methods for activating abdominal muscles. Subsequently, participants will perform

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Fifty male Taekwondo majors, aged 19 years or older, enrolled at University B in Cheonan, Chungcheongnam-do, with at least three years of Taekwondo experience, no functional limitations in performing the knife-hand block technique, and who provided consent to participate in the study

Exclusion criteria

Exclusion criteria: Individuals with less than 3 years of Taekwondo experience, Individuals with functional limitations during the knifehand block movement

Design outcomes

Primary

Measure	Time frame
Electromyographic activity (EMG) of each Muscle activation (%MVIC) of each muscle;3D kinematic variables (joint angle, angular velocity, linear velocity, acceleration, deceleration);2D kinematic variables (velocity, acceleration, deceleration of the knifehand)	—

Secondary

Measure	Time frame
Accuracy score of the knifehand block motion	—

Countries

Korea, Republic of

Contacts

Public ContactJung Yooncher

Baekseok University

suky0719@naver.com+82-41-550-2995

Outcome results