Ki (기)

Language

Hangul: 기
Romanization: Ki
Naver Dictionary:
- 기 (Ki)

Overview

Ki refers to internal energy or life force and is a foundational concept in Korean martial arts and broader East Asian philosophy.

Definition

Ki is commonly understood as the vital energy that flows through the body and is cultivated through breathing, movement, and mental focus in martial arts practice.

Context

In Kuk Sool, Ki is approached as both a conceptual and practical element of training and is developed through structured practice, including:

breathing exercises
forms (Hyung)
meditation and focus training

It is associated with both physical performance and internal balance.

Notes

Interpretation varies between philosophical, medical, and martial contexts
Equivalent concepts appear as Qi (Chinese) and Chi (older romanization)
Usage and emphasis may differ across organizations and instructors
In practice, instruction often emphasizes experiential understanding rather than definition

Source Notes

Published: Kimm, Kuk Sool: Korean Martial Arts
Organizational: WKSA instructional materials
Practitioner: standard training usage

Source classification reflects context, not authority. See Methodology for details.