There’s a lot of talk about skateboarding being dangerous. Adults tell me I can get really hurt, but I see kids all over the place riding and having fun. Some have helmets and other stuff on, but other kids don’t wear any pads. What do you think I should do?—Nick, 11, Astoria

I really hate stretching, I’d rather just get playing! Is it absolutely necessary to stretch before all physical activities?—Mark, 12, Brooklyn

“I am a gymnast who loves to play soccer. When I do my training, is there something I can do that helps you in both?”

“I broke my wrist a couple years ago doing rails in Central Park. It’s okay now, but when it rains I can feel it stiffen up. Do I need to wear any protective gear when I skateboard this summer?” —Robbie, 12, Tribeca