A 28-year veteran of more than a dozen styles of martial arts, owner and head instructor Erik Wahlberg has earned his black belt in tang soo do. He’s also worked as a fitness instructor, teaching in gyms for nearly 14 years. At Impact! Kickboxing Fitness he and his team of instructors combine an understanding of exercise with a love of martial arts to create a dynamic space for positive, group exercise. For the bulk of the workout, instructors pit students against heavy bags, coaching them to throw flurries of punches to elevate their heart rates and build muscle. Each bag weighs 90–100 pounds, providing enough resistance to withstand blows that routinely take down heavy-duty traffic cones. Students of all ability levels are welcome; TRX classes are also available. Customers interested in participating can text (650) 489-6573 for more info.