What type of training is this?

[HiyaaMartialArts]

That's hojo undo, and a lot of styles do it but chief among them is probably Goju-Ryu and Uechi-Ryu. Google that term and you'll find a lot of information on it.

Thanks for sharing! I've never heard of this, as I'm not really a karate guy, but this is super cool. It's extremely reminiscent of various types of training you'll find in TCMA (Traditional Chinese Martial Arts).

[Ueshirokarate]

That's hojo undo, and a lot of styles do it but chief among them is probably Goju-Ryu and Uechi-Ryu. Google that term and you'll find a lot of information on it.

Thanks for sharing! I've never heard of this, as I'm not really a karate guy, but this is super cool. It's extremely reminiscent of various types of training you'll find in TCMA (Traditional Chinese Martial Arts).

Well it originated on Okinawa (like karate) and probably has a strong influence from TCMA. We should all keep in mind that China, Far East Asia, Okinawa and Japan all traded with one another for a very long time. Martial arts from these regions all have one another in them in some way. Okinawa was kind of a backwater, but is situated as kind of ground zero for Asian martial arts, as it is relatively close to China, South East Asia and Japan. So elements resembling arts such as Muay Thai, Chuan Fa and Japanese Ju Jitsu can be found in traditional Okinawan Karate. So naturally, you can also find similar training methods as well.

[shinobitribe]

For anyone interested in knowing more about Junbi Undo( Preparatory exercises) and Hojo Undo ( Conditioning exercises) read a book called The Art of Hojo Undo: Power Training for Traditional Karate by Michael Clarke. It is a very good book that explains the reasons behind each tool and associated exercises. The author has even given instructions to make your own tools or some alternatives eg Nigari Game - heavy jars used for finger strengthening. The author has shown dojos where they use old electrical heavy conductors which weigh the same and are similar to the jars.

There is a sample on Amazon that you can read.

Lastly, traditional karate conditioning should be a mixture of both isometric(eg lifting weights at certain angles eg bench press to increase strength and size of a particular muscle group) and plyometric ( where certain exercises eg burpees, box jumps where a muscle is loaded and then contracted in rapid sequence, use the strength, elasticity and innervation of muscle and surrounding tissues to develop explosive power and speed.