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App Store Apps > Health & Fitness > Joint Locks by Rory Miller
Joint Locks by Rory Miller icon

Joint Locks by Rory Miller

2.0.0
YMAA Publication Center, Inc.
5.00
2 reviews
Free

Joint Locks by Rory Miller Screenshot 1 of 5
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Screenshots by YMAA Publication Center, Inc., from the the App Store listing
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AppBrain's verdict

Established
Rating on App Store
5.00
2 ratings
Last updated
October 15, 2026
Size
38.0 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

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Store listing

By YMAA Publication Center, Inc., from the App Store
Description by YMAA Publication Center, Inc. Written by the developer, not by AppBrain. Click to read.
Learn to Improvise Joint Locks Under Pressure with Rory Miller.
Same videos as the Joint Locks DVD for much less!
Video Chapters:
• Intro
• Principles
• Hinge Joints
• Ball and Socket Joints
• Gliding Joints
• Fingers
• Principles Review
• Lock Flow Drill
• Escaping Locks
• Conclusion
In this 60-minute video app, Rory Miller makes the case that the problem is not with the locks themselves, but with our teaching methods. A principles-based approach allows relative beginners to improvise joint locks with one hour of training, something that many traditional approaches have failed to do with hundreds of hours.
This app is available for free download with sample videos, and offers a single in-app purchase to access these joint lock lessons for the lowest possible cost.
Joint locks are widely regarded as one of the most versatile physical tools-- they can move, immobilize, submit or severely injure a threat. They are also justifiably regarded as one of the more difficult of martial arts skills to implement in real life.
Joint locks are NOT primary self-defense techniques. If you are in a position that requires self-defense you are justified in and likely need a higher level of force. However, if your job requires controlling violent people with minimal injury you must be good at joint locks and you must be able to improvise them under pressure.
Rory Miller is a writer and teacher living peacefully in the Pacific Northwest, USA.
He has served for seventeen years in corrections as an officer and sergeant working maximum security, booking and mental health; leading a tactical team; and teaching subjects ranging from Defensive Tactics and Use of Force to First Aid and Crisis Communications with the Mentally Ill. For fourteen months he was an advisor to the Iraqi Corrections System. He received a BS degree in Psychology; served in the National Guard as a Combat Medic (91A/B); earned college varsities in judo and fencing, and received a mokuroku in jujutsu.
Mr. Miller is the author of several award-winning books and DVDs, including “Meditations on Violence”, “Facing Violence”, “Scaling Force”, and “Conflict Communications”.
As an experienced martial artist and veteran correction officer, Rory Miller distills what he learned from jailhouse brawls, tactical operations, and ambushes to explore the differences between martial arts and the subject martial arts were designed to deal with: Violence.
In his work, Miller introduces the myths, metaphors and expectations that most martial artists have about what they will ultimately learn in their dojo. This is then compared with the complexity of the reality of violence.
Thank you for downloading our app! We are striving to make the best possible video apps available.

Sincerely,
The team at YMAA Publication Center, Inc.
(Yang’s Martial Arts Association)

CONTACT: apps@ymaa.com
VISIT: www.YMAA.com
WATCH: www.YouTube.com/ymaa

Safety and technology

Found in the app by AppBrain
Price
Free
App size
38.0 MB
Content rating
Everyone

Technologies used by Joint Locks by Rory Miller

Releases

Updates seen on the App Store
Version
2.0.0
Launched
October 2014

No changelog data

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Also available on Google Play

Joint Locks / Rory Miller OLD icon Joint Locks / Rory Miller OLD
YMAA
3.8
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100,000+

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About the app and developer

About Joint Locks by Rory Miller

Joint Locks by Rory Miller is a health & fitness app developed by YMAA Publication Center, Inc.

User Ratings

Joint Locks by Rory Miller is rated 5.00 out of 5 stars. The rating is based on 2 ratings.

App Information

Joint Locks by Rory Miller is freely available from the App Store. The app size is 38.04 MB. The latest version available is 2.0.0. The last update was on October 15, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since October 2014.

Joint Locks by Rory Miller is made and published by YMAA Publication Center, Inc. AppBrain is an independent app data site and isn't affiliated with YMAA Publication Center, Inc. The app name, icon, screenshots and description belong to YMAA Publication Center, Inc. and are shown as published on the App Store.

Developer information for YMAA Publication Center, Inc.

YMAA Publication Center, Inc.

Address:

Frequently asked questions about Joint Locks by Rory Miller

Is Joint Locks by Rory Miller free?

Yes. Joint Locks by Rory Miller is free on the App Store.

Is Joint Locks by Rory Miller still available?

Yes. Joint Locks by Rory Miller is on the App Store, and the last update we saw was on October 15, 2026.

How large is Joint Locks by Rory Miller?

Joint Locks by Rory Miller is 38.04 MB.

Is Joint Locks by Rory Miller suitable for children?

App Store rates the content of Joint Locks by Rory Miller as suitable for everyone.

How do people rate Joint Locks by Rory Miller?

Joint Locks by Rory Miller scores 5.00 out of 5 stars, from 2 ratings on the App Store.

Who made Joint Locks by Rory Miller?

Joint Locks by Rory Miller was developed by YMAA Publication Center, Inc. It is listed in the health & fitness category on the App Store.

What are the best alternatives to Joint Locks by Rory Miller?

People looking at Joint Locks by Rory Miller also look at these health & fitness apps: Meditation & Taoist Alchemy, Marine Martial Arts, The Art of Healing, iTherapySC - Dog, Jujitsu.

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