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Unveiling the Layers of Jeet Kune Do: A Comprehensive Exploration of Speed Classifications

Writer's picture: Sifu Jeramiah GiehlSifu Jeramiah Giehl

In the dynamic world of Jeet Kune Do (JKD), speed is not a singular entity; it is a multifaceted gem that encompasses various classifications. Let's embark on a journey through the diverse dimensions of speed within JKD, each playing a pivotal role in the art's effectiveness and adaptability.

1. Physical Speed

At its core, physical speed in JKD pertains to performance speed—the quickness exhibited in executing chosen motions. Examples include the rapid deployment of techniques such as the Side Kick, Hook Kick, Jab, and more.

2. Initiation Speed

Initiation speed in JKD encompasses the economical starting of a motion in response to stimuli. This includes three key components:

  1. Visual Stimulus: Reacting swiftly to visual cues.

  2. Audio Stimulus: Rapid response to auditory signals.

  3. Tactile Stimulus: Quick reactions to tactile sensations.

3. Perceptual Speed

Visual speed, or perceptual speed in JKD, is the art of swiftly discerning openings, incoming attacks, and potential targets. This skill works in tandem with initiation speed, forming a seamless connection between perception and action.

4. Mental Speed

In the realm of JKD, mental speed is the quickness of the mind to select the right move for a precise counter-attack or to exploit an opening. This cognitive agility is a key element in the strategic and adaptive nature of JKD.

5. Alteration Speed

JKD emphasizes the ability to change direction rapidly—a skill known as alteration speed. This dynamic capability adds an unpredictable dimension to movements, keeping opponents off balance.

6. Combination Speed

The artistry of JKD extends to combination speed—the adeptness to deliver a series of movements seamlessly, creating a fluid and unpredictable offensive onslaught.

7. Sensitivity Speed (Contact Reflex)

A unique facet of JKD, sensitivity speed involves the ability to react instinctively to external stimuli, particularly in direct contact situations. This heightened contact reflex is an integral part of JKD's adaptability in close-quarters combat.

8. Footwork Speed

Critical to JKD is footwork speed—an artist's ability to swiftly move their base or stance. This agility in foot movement facilitates evasive maneuvers, strategic positioning, and rapid changes in engagement distance.

9. Hand Trapping Speed

Hand trapping speed in JKD underscores the ability to execute trapping techniques swiftly and seamlessly in combination with other movements, adding a layer of complexity to offensive strategies.

10. Emotional Speed

Beyond the physical and tactical dimensions, JKD recognizes emotional speed—the ability to "calm oneself" swiftly and respond efficiently to any given situation. This emotional resilience is a testament to the holistic approach JKD embraces.


The classifications of speed within Jeet Kune Do go far beyond mere swiftness in physical execution. Each dimension, from initiation speed to emotional speed, contributes to the art's adaptability, strategic prowess, and effectiveness in real-world combat scenarios. Understanding and mastering these diverse facets of speed unlocks the true essence of Jeet Kune Do—a martial art that transcends the limitations of singular approaches.

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