Adler's Academy of Self-defense

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Chief Instructor: Nick Adler, 10th Dan
racticing over 40 years



Isshinryu Karate is an Okinawan martial arts system developed by the late Tatsuo Shimabuku, 10th. Degree Black Belt. The most notable aspect of this system is the vertical punch strengthened by the thumb on top position, and the use of speed and snap to generate power. Isshinryu means “One Heart Way” and emphasizes the unity and brotherhood of all. We develop a skill, but will use it only as a last resort!

nick.JPG (14082 bytes)Holbrook Academy of Self-Defense is one of a group of Nick Adler’s Centurions Schools located in Holbrook and Smithtown, Long Island, Westchester, Bronx, New Jersey, Pennsylvania and West Virginia. Although respect and discipline are foremost at the academy, there prevails a strong spirit of camaraderie as well. Students are encouraged to ask questions and actively participate in discussion groups. Progress is monitored via our video equipment and students may bring their own tape to keep a moving log as they advance in rank. Promotion evaluations are given at regular intervals and requirements are posted in the Dojo (school) as well as in the student’s manual.

Chief Instructor is Master Nick Adler who began his Martial Arts training in 1956 receiving rank in both Judo and Jujitsu. In 1962 he began training in Okinawan Isshinryu Karate with Grandmaster Ed McGrath and Mel Sutphen continuing his training with Grandmaster Don Nagle and Grandmaster Angi Uezu.

He currently holds the rank of 9th Dan. Master Adler has been in the  martial arts for more than 35 years winning numerous awards for his contributions. He is a tournament promoter and sponsor of the "Samurai  Spirit"  Traditional Japanese/Okinawan Tournament held annually in March.

He considers himself a student of the Martial Arts in addition to being a Sensei and is on a perpetual quest for more knowledge through cross training whenever possible. Master Adler is the director of the Nick Adler's Centurions, a multi school association with 2 branches on Long Island as well as schools in the Bronx, Westchester, New Jersey, Pennsylvania and West Virginia Shihan Adler is an internationally licensed instructor and graduate of the Long Island University Instructor Certification program. He holds Menkyo Kai from Master Uezu which is the highest license an instructor can award. He holds Kyoshi in Kobudo from the USKA and Renshi in Kobudo from Grandmaster Seikichi Odo.

Classes are available to students from the age of 4 and up with specialty programs according to the skill levels of the participants. The school is open Monday through Thursday evenings and Saturdays. Introductory programs are offered at special rates. Call for more information.

Birthday parties can be booked at the academy and are a great way to expose children to the benefits of Martial Arts training while having fun at the same time.

Private lessons and group seminars can be arranged for your convenience. Weapons are a specialty for Master Adler and he well versed in all types teaching Kata (forms) or examining the application of your own particular system.




Hanshi Nick Adler can be contacted at:
Riverhead Karate
393 Pulaski Street • Riverhead, NY 11901



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