Crunch Fitness Cambridge on Instagram: "🚨🥊 HEAVY HITTER HAS LANDED 🥊🚨 Ready to hit harder, move faster, and unleash your inner beast? Our NEW Heavy Hitter boxing class is here to raise the bar—and then slam it down! This is NOT your average bag class. We’re combining heavy bag power, turf speed drills, and cutting-edge equipment for a full-body assault that torches calories, builds knockout strength, and sharpens your fighting edge. 👊 What to expect: 💥 Intense bag rounds to master combos &