Established in 1999 Over 30 Years Experience
Fitness and Self-Defense in Tewksbury, Massachusetts
Fitness & Self-Defense Programs
We provide instruction for ages 3.5-18 years and adults. All classes increase focus, patience, self-control, confidence, balance, coordination, flexibility/agility, etc.
Testimonials
Discover the personal benefits of training at The Self-Defense Institute in these testimonials.
TSDI - TV Debut
As seen on ABC Family, TBS, Discovery, SPIKE, Nicelodeaon, Cartoon Network, Animal Planet and Comedy Central.