Martinez BJJ Fitness Center is a Brazilian Jiu-Jitsu school in Philadelphia focused on grappling, ground fighting, and self-defense training. Its program emphasizes taking opponents to the ground and applying submission techniques such as joint locks and chokeholds. The school presents Brazilian Jiu-Jitsu as a martial art and combat sport while also highlighting fitness benefits including weight loss, improved cardio strength, increased muscle mass, flexibility, self-confidence, and stress reduction.