Research Objective:
Based on this, the researchers have undertaken the current study with the aim of:
- Constructing a brain control scale for male and female traditional karate players aged over 20 years old.
Research Question:
Does the scale measure the underlying factors of brain control for traditional karate players aged above 20 years old?
Concepts and Terminology Used in the Research:
1. Brain Control:
- Tarek Badr El-Din (2016) defined brain control as: "The dominance, control, or sovereignty of one hemisphere of the brain during its processing, analysis, guidance, and utilization of specific information for each part, motivating human behaviour." ( Tarek Badr El-Din 2016)

Research Procedures:
1- Research Methodology:
- The researchers adopted a descriptive-analytical methodology, following its steps and procedures to achieve the research objectives.
2- Research Community and Sample:
- The community of this research includes first-degree players in the Arab Republic of Egypt . The sample was selected using random sampling, consisting of 100 male and female players aged over 20 years. The purpose of this selection is to standardize the brain control scale currently under research and determine its scientific parameters. This data collection took place between 19 November -29 November2019.