LATEST GMA NEWS - All regularly scheduled classes will be conducted today. - Beginning on Saturday, Nov. 13th, Adult sparring & grappling classes will be conducted on the 2nd & 3rd Saturday of the month, from 10:00-11:30am. - GMA's new student calendar in booked through the month of December. If you or your child would like to begin training in January 2022, you (or the child) will need to take the December 18th Intro Lesson. The people that take that lesson, will be able to begin regular training in January 2022. - If you or your child would like to start training in January 2022, email or call 978-433-8772 to schedule an appointment.