Weapon Classes | Sendai Karate Club

The Tradition

WHAT IS OSHIRO-HA YAMANE-RYU KOBUDO?

Yamane-ryu (山根流) is one of the oldest and most revered traditions of Okinawan weapons arts — kobudo. While many modern kobudo styles became heavily systematised under Japanese influence, Yamane-ryu retained its original character: fluid, powerful, practical, and deeply rooted in the old Ryukyu Kingdom traditions.

The method practised at Sendai is Oshiro-ha Yamane-ryu Kobudo (大城派山根流古武道) — a contemporary practice based upon the research of Hanshi Patrick McCarthy, 10th Dan, who studied directly under Kinjo Hiroshi, himself a direct student of Chinen Sanda, the founder of Yamane-ryu, and of Oshiro Chojo, its most prominent practitioner.

Identified by its signature characteristics, Yamane-ryu employs swift but powerful circular motion, a distinct pattern of twisting thrusts, vibrant body dynamics and pliable footwork — widely regarded as the most dynamic and effective bojutsu tradition in the kobudo world today.

Historical Lineage

Chinen Sanda (Yamane no Chinen) →
Oshiro Chojo (most prominent disciple) →
Kinjo Hiroshi (Okinawan master) →
Hanshi Patrick McCarthy, 10th Dan (IRKRS) →
Shihan Bill Johansen (Australian Division) →
Seaford Koryukan — Wolfgang Vogel Shidoin (Teaching at Sendai Karate Club)

The Art

DEFINING CHARACTERISTICS

Yamane-ryu stands apart from other kobudo traditions by its dynamic, flowing approach to weapons use. Where many styles emphasise rigidity and formalism, Yamane-ryu prizes pliability, natural motion and devastating power generated through whole-body mechanics.

Fluid Circular Motion

Swift but powerful circular techniques that generate tremendous momentum and make the bo an extension of the body rather than a separate tool.

Twisting Thrusts

A distinct pattern of twisting, corkscrewing thrusts that are unique to the Yamane-ryu tradition and maximise penetrating power.

Vibrant Body Dynamics

Whole-body movement — hip rotation, shifting weight and dynamic footwork — powers every technique rather than arm strength alone.

Pliable Footwork

Flexible, adaptive footwork inspired by old-school Chinese-based Uchinadi, allowing rapid position changes and evasion under pressure.

Practical Application

Every kata and drill has a clear, practical purpose. Bunkai (application) practice ensures that the techniques are understood beyond their formal sequences.

Authentic Lineage

An unbroken lineage tracing directly to the founder Chinen Sanda through Oshiro Chojo — one of the rarest and most authentic kobudo transmissions practised today.

The Curriculum

THE FIVE CLASSICAL KATA

The classical Yamane-ryu tradition is built around five fundamental kata — each a time capsule of technique, strategy and history passed down through the generations of Okinawan masters. Together they form a complete and cohesive weapons system.

Beyond the kata, students learn kumibo (paired bo exercises), bunkai (practical application), body conditioning and the historical and philosophical context of each form. Training progresses through a structured grading system unique to the Oshiro-ha Yamane-ryu lineage.

Shuji no Kon

Foundational kata — the entry point into the Yamane-ryu system

Sakugawa no Kon

Named after the great Okinawan master Sakugawa Kanga

Chinen Shikiyanaka no Kon

Named in honour of the bojutsu expert Bushi Shikiyanaka

Shirotaru no Kon

An advanced kata from the core Yamane-ryu tradition

Yonekawa no Kon

The fifth classical kata completing the traditional curriculum

Wolfgang Vogel performing Yamane-ryu kata

$Wolfgang Vogel Shidoin$

Weapons Instructor

Wolfgang Vogel

Your Instructor

WOLFGANG VOGEL SHIDOIN

Wolfgang Vogel holds the title of Shidoin — a formally recognised instructor within the Oshiro-ha Yamane-ryu Kobudo lineage under the International Ryukyu Karate Research Society (IRKRS). He is one of a very small number of authorised Yamane-ryu instructors in Australia.

Wolfgang's deep passion for authentic Okinawan weapons arts has taken him on a remarkable journey through the traditions of kobudo. Training under Shihan Bill Johansen, the head of the Australian Division of Yamaneryu Kobudo, Wolfgang has dedicated himself to preserving and transmitting this rare and authentic lineage with integrity and precision.

His classes at Sendai Karate Club combine rigorous technical training with a rich understanding of the historical and philosophical foundations of Yamane-ryu — making each session not just a physical practice, but a genuine connection to a living tradition that stretches back centuries to the old Ryukyu Kingdom.

Title

Shidoin — Oshiro-ha Yamane-ryu Kobudo

Organisation

IRKRS — International Ryukyu Karate Research Society

Division

Yamaneryu Kobudo Australia

Under

Shihan Bill Johansen, Australian Division Head

$Sendai Karate Club weapons training with bo staves$

At Sendai

WEAPONS TRAINING AT SENDAI KARATE CLUB

Weapon classes at Sendai Karate Club operate as a dedicated program within the club, running alongside the regular karate curriculum. Students from all backgrounds are welcome to join — you do not need to be a karate student to participate in kobudo training.

Classes are structured to progressively introduce students to the rokushaku bo (6-foot staff) — the primary weapon of the Yamane-ryu tradition — before advancing through the classical kata, paired exercises and application-based drills.

Wolfgang also runs regular seminars and workshops, occasionally bringing in visiting instructors from the broader IRKRS network. These events are open to students of other clubs and dojos who are interested in authentic Yamane-ryu kobudo.

Whether you are a complete beginner or an experienced martial artist looking to add a genuine weapons tradition to your practice, Sendai's weapon classes offer an extraordinary and rare opportunity.

Enquire About Weapon Classes

Progression

GRADING & PROGRESSION

The Oshiro-ha Yamane-ryu Kobudo system has its own structured grading pathway, separate from karate belt gradings. Gradings are conducted under the IRKRS framework, with certificates issued by the International Ryukyu Karate Research Society.

Students progress through the Urufu Kobudo grading levels, with each stage requiring demonstrated competency in kata, kumibo, bunkai and the underlying principles of the tradition. Gradings are not rushed — depth of understanding is valued above speed of progression.

Urufu Kobudo Grading System

Structured levels from beginner through to advanced — each recognised by the IRKRS

IRKRS Certificates

Official certification from the International Ryukyu Karate Research Society upon grading

Kata, Kumibo & Bunkai

Assessment covers formal sequences, paired exercises and practical application understanding

Open to All Levels

No prior martial arts experience required to begin the kobudo program