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Last updated on: 2026-07-04
Android Apps > Health & Fitness > Joint Locks / Rory Miller
Joint Locks / Rory Miller icon

Joint Locks / Rory Miller

1.0.4
YMAA
3.56
309 reviews
100,000+
Downloads
Free

Joint Locks by Rory Miller, author of Meditations on Violence.

Not recently updated — last update was on 2023-01-17. This app may no longer be actively maintained.
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iOS version

About Joint Locks / Rory Miller

Joint Locks / Rory Miller is a health & fitness app developed by YMAA.

How many times has Joint Locks / Rory Miller been downloaded?

Joint Locks / Rory Miller has been downloaded 130 thousand times. In the last 30 days, the app was downloaded 2 times.

What is the rating of Joint Locks / Rory Miller?

Joint Locks / Rory Miller is rated 3.56 out of 5 stars, based on 310 ratings.

Is Joint Locks / Rory Miller free?

Joint Locks / Rory Miller is free to download. The APK download size is 3.65 MB. The latest version available is 1.0.4. The last update was on January 17, 2023.

What are the requirements for Joint Locks / Rory Miller?

Joint Locks / Rory Miller requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2014.

Description
Updated for Android OS 11!

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

Joint Locks by Rory Miller , author of Meditations on Violence

Recent changes:
App updated to the latest operating system, bugs fixed, crashes resolved. Please leave 5-star review to help launch this new app. Free sample videos. This app contains the entire video contents for a fraction of the price, with a single purchase per program.

We ask for your optional email to contact you about app improvements and other YMAA.com news. You can click past the email request. This app is made directly from the author and publisher. Thanks for your support!
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More data about Joint Locks / Rory Miller

Price Free to download
Total downloads 130 thousand
Recent downloads 2
Rating 3.56 based on 310 ratings
Ranking Not ranked
Version 1.0.4
APK size 3.65 MB
Number of libraries 20
Designed for Android 4.4+
Suitable for Everyone
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Joint Locks / Rory Miller compared with similar apps

Common keywords of similar apps

Miller Rory Violence Author Meditations Improvise Principles Joints Force Updated Pressure Review Teaching Sample Single Purchase Regarded Requires Served Corrections Officer Tactical Team Communications System Received Apps Ymaa Contact Email Locks Joint App Martial Video Arts Videos Learn Lock Free Defense

Keywords missing from this app

Training Anatomy Strength Techniques Aikido Step Unlock Tai Chi Hapkido Improve Mobility Movement Yoga Screen Support Motion Muscle Programs Access Routines Full Time Enjoy Subscriptions Exercises Designed Muscles Experience Features Chair Balance Home Daily Easy Content Dynamic Locksley Pain

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Google Play Rating history and histogram

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Downloads over time

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Joint Locks / Rory Miller has been downloaded 130 thousand times. Over the past 30 days, it has been downloaded 2 times.

Changelog of Joint Locks / Rory Miller

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Developer information for YMAA

YMAA

googleapp1@ymaa.com

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Comments on Joint Locks / Rory Miller for Android

★★★★★ Mehrab Khan · Jul 17, 2017
It is amazing and very good aap. U can learn many things from it, so download it.
★☆☆☆☆ SHYAM MAHROLIYA · Apr 21, 2018
The app is not staring. The app asks for e-mail ID and it suddenly closes
★☆☆☆☆ A M · Nov 9, 2018
Crushing. Writing to service is useless. They got my money and run away...
★★☆☆☆ A Google user · May 26, 2018
Paid for this app, and it was informative until it started asking for my email ID and crashed every time I tried to open it. Could you please fix this bug or refund me my $10 that I paid for an app that no longer works?
★☆☆☆☆ Erik Ryans · Aug 8, 2017
Someone is altering video or this incomplete. None of the moves are completed. Payed or not. Request a refund.

Google Play Rankings for Joint Locks / Rory Miller

This app is not ranked

Technologies used by Joint Locks / Rory Miller

17 permissions · 20 libraries
Subscribe to see full permission and library details
Joint Academy icon Joint Academy
Hapkido Training - Videos icon Hapkido Training - Videos
Chair Tai Chi for Seniors icon Chair Tai Chi for Seniors
Muscle & Motion: Anatomy icon Muscle & Motion: Anatomy
Aikido Martial Arts Academy icon Aikido Martial Arts Academy
Muscle & Motion: Yoga icon Muscle & Motion: Yoga
Better5 icon Better5
Dynamic Golfers icon Dynamic Golfers

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