Joke Collection Website - Joke collection - When Bruce Lee warmed up against karate at the end of Crossing the River, how did the bulging muscles on his back come out?

When Bruce Lee warmed up against karate at the end of Crossing the River, how did the bulging muscles on his back come out?

That's from practicing back muscles all the year round. You lie on the ground, with your head facing the floor, find something to hold your legs down, then put your hands on your sides of your neck, and raise your head and back as hard as you can. That's how you practice. Trust me, that's how you practice. The push-ups or pull-ups mentioned by those people above are not about that part at all. If you don't practice at all, rumors abound. Joke, I wonder if I practice every day?