The
Technology of
Martial Arts
From leather gloves to electronic body protectors, from bamboo swords to slow-motion replay, technology has made martial arts safer, fairer and easier to study, and it has filled films and games with spectacular fights.
- 00First Principlesp.2
- 01Protective gearp.4
- 02Electronic scoringp.5
- 03Video & wearablesp.6
- 04Training equipmentp.7
- 05Film effects & gamesp.8
- ✦Self-check · Make it · 5 Questions · Side Questp.9
You'll need: pencil, calculator, a phone or tablet that films in slow motion (optional), and a clear space.
Principles
A first principle is a basic truth you can build on. Technology in martial arts does three jobs: protect bodies, measure what happened, and show it, in training, in competition and on screen.
What do I already know?
What is necessary?
Everything in this module is built from four bricks. Rate yourself on each one, then check the example to see if your rating holds up.
What is the objective?
By the end, you’ll be able to explain how gear, sensors, video and screens shape martial arts today.
- 01Describe how protective gear evolved and what it can’t do.
- 02Explain how electronic scoring works in fencing and taekwondo.
- 03Use frame rates to measure movement time.
- 04Describe traditional and modern training equipment.
- 05Explain how films and games create fights.
- 06Judge the claims made about new gadgets.
The list on the left is ours. Now make it yours. What do you want out of this?
How much do you know about the technology of martial arts right now? Shade the boxes in pencil. You'll come back at the end (p.9) and shade it again in pen.
Why start this way? When you know what you already have (1), what you need (2) and where you're going (3), you learn faster and you notice the gaps. Every module on the Martial Arts Path starts with these same three questions.
Protective gear
Every piece of gear tells a story about an injury someone wanted to prevent.
Protect the body
| Gear | Story |
|---|---|
| Boxing gloves | the Queensberry Rules (published 1867) required gloves for boxing contests |
| Fencing masks | wire-mesh masks appeared in the 1700s and spread in the 1800s, making modern fencing possible |
| Kendo bogu | armour (men, kote, dō, tare) lets people strike safely with bamboo shinai |
| Taekwondo hogu | padded chest protector, now with sensors |
| Mouthguards | protect teeth; whether they reduce concussion is debated |
Glove weight
Olympic boxing
In 2013 amateur boxing removed headgear for elite men; the governing body (then AIBA) said its data showed fewer referee stoppages for blows to the head without headgear, although cuts increased. Headgear still prevents cuts, and youth and women’s boxing kept it. Scientists still debate the balance. Gear helps, but no gear makes hits to the head safe.
Gear audit
Look up (or visit) the required gear for two arts, e.g. kendo and taekwondo. List each item and what it protects. What does each one not protect?Why might fighters hit harder when they feel well protected?
Electronic scoring
When moves are too fast to see, sensors help judges.
The first electric judges
A fencing hit is hard to see: blades move very fast. Electric scoring closes a circuit when the tip (or, in sabre, the blade) touches a valid target. It came to the Olympics in épée in 1936, foil in 1956 and sabre in 1988.
| Weapon | Lockout time (approx.) |
|---|---|
| Foil | 300 ms |
| Épée | 40–50 ms |
| Sabre | 170 ms |
Lockout: after one hit, how long the other fencer has to score too. FIE rules.
Protector and scoring system
Since the London 2012 Olympics, taekwondo has used electronic body protectors with sensors and special socks. A hit of enough force on the right area registers points. Electronic headgear followed at Rio 2016.
Spinning kicks and punches still rely partly on judges, and coaches can ask for video review.
Lockout maths
Paper circuit
Draw a simple circuit: battery, light, two wires ending in “blade tip” and “target”. Mark where the circuit closes on a valid hit. How could the system tell a valid target from an off-target hit?Why might electronic scoring change how athletes fight?
Video analysis & wearables
Cameras and sensors turn movement into data you can study.
Slow it down
Phones can film at 120 or 240 frames per second (fps). Each frame is a slice of time, so you can count frames to measure a movement.
Coaches use video to check stance, timing and habits. Judo and taekwondo use video replay to help referees review decisions.
Counting frames
Sensors on the body
- Heart-rate monitors: chest straps tend to be more accurate than wrist sensors during fast movement.
- Accelerometers in gloves or wraps count punches on a bag and estimate speed.
- Smart mats and bags record force and location of hits.
- Claims vary: many gadgets aren’t independently tested; check before trusting the numbers.
Frame count
If your phone has slow-mo, film yourself stepping from one stance to another in an open space. Count the frames from start to end and convert to milliseconds. (No phone? Use the example.)A move takes 30 frames at 120 fps. How long is that?
Film only movements you can already do safely, in a clear space, with nothing to trip on. Never film other people without their permission.
Training equipment
From wooden posts to foam crash mats, tools shape how people practise.
Old technology
| Tool | Art and use |
|---|---|
| Makiwara | padded post for karate striking (Okinawa) |
| Mook jong | wooden dummy used in Wing Chun |
| Shinai and bokken | bamboo and wooden swords for kendo and other sword arts |
| Tatami | mats for judo, aikido and jujutsu throws and falls |
| Chishi | Okinawan weighted strength tools |
Newer technology
- Foam crash mats with layers of different densities
- Heavy bags, kick shields and focus mitts
- Grappling dummies for jiu-jitsu drills
- Timers that beep rounds and rest periods
- Resistance bands for safe strength work
Matching tools to arts
Each tool solves a problem. A makiwara trains alignment and toughening (instructors disagree on how much toughening is wise). Mats make throws possible. A dummy lets someone practise angles without a partner. Rubber and wooden training weapons let students learn forms without sharp edges. A good school explains why a tool is used and how to use it safely.
Timer design
Plan a round timer for a class: how long is a round, a rest, and how many rounds? Example: 3 × 2 min with 1 min rest. Total time? Then design how it should signal (beep, light, voice).3 rounds of 2 min with 1 min rest between: total time?
Use striking equipment and training weapons only under qualified instruction. Never use heavy bags, makiwara or weights alone at home without guidance.
Film effects & video games
Screen fights are a craft built from choreography, cameras and code.
Made, not fought
- Choreography: stunt teams plan every move like a dance (Lens 7).
- Wire work: Hong Kong films made harnesses and wires famous for flying kicks.
- Camera and editing: angles hide the gap between fist and face.
- Sound effects: foley artists add punches using objects like vegetables or leather.
- CGI and motion capture record real movements to animate digital characters.
Fighting-game frames
A long partnership
Arcade games like Street Fighter (1987) and Tekken (1994) introduced many people to martial arts names and moves. Esports now run world tournaments. Some games use motion capture of real martial artists. Fun to play, but game moves aren’t training: real skills come from a qualified instructor.
Spot the trick
Watch a movie fight scene at slow speed (or frame by frame). Find one cut, one camera angle that hides a miss, and one added sound.A move is 20 frames at 60 fps. How many ms?
Quick self-check
Six questions, covering every stop. Show your thinking. Answers are upside down at the bottom; no peeking till you're done.
1 · Name two pieces of protective gear and what they protect.
2 · When did electric scoring reach the Olympics in épée?
3 · What does PSS stand for?
4 · How long is 12 frames at 240 fps?
5 · Name two traditional training tools.
6 · Name two tricks used in film fights.
Re-shade your knowledge meter
How much do you know about the technology of martial arts now? Flip back to p.3 and shade the meter again in pen (or shade this one). Did any of the four bricks on p.2 move from "Not yet" to "Got it"?
The slow-mo lab
Use slow-motion video to measure your own movement in milliseconds, like a sports scientist.
1 · My question
How long does one stance change take me, and does it get faster with practice?
2 · Method
- Film in slow-mo (note the fps)
- Do 5 trials of the same stance change
- Count frames from first movement to settled
- Convert: frames ÷ fps × 1000 = ms
Prediction:
3 · Results
| Trial | Frames | Time (ms) |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| Mean |
Worked example (made-up data, 240 fps): frames 14, 12, 13, 11, 12. Mean 12.4 frames ≈ 51.7 ms.
4 · Must-haves
- 5 trials
- Times in ms
- Mean calculated
- One way the measurement could be wrong
5 · What I found
What did the video show that you couldn’t feel?
Film only a simple stance change or step you already know, in a clear space, at gentle speed. No kicks, jumps or partners. Get permission before filming anyone else.
5 Questions
I Still Have
This module didn't answer everything. Good. Write 5 new questions it didn't answer, one of each type below. There are no wrong questions, only ones nobody's asked yet.
★ Star the one question you'd most like answered. You'll need it on the next page.
1What I'll find out
Break your big question into 2 or 3 smaller ones you could actually answer.
2Where I'll look
3How I'll share it
Who I'll share it with:
Done by: