My leg is broken and I can't work as a construction worker, which I've done my whole life. Can I claim disability benefits?

Probably not. A "disability" means that you have a medically verified injury, illness, or condition that keeps you from doing any work. This means that if you can perform sedentary work, you can't receive disability. A person with a broken leg could still work while sitting down, so they are not qualified to get benefits.