Are there any tests that can performed to access whether or not a dog has joint problems?

i'm not sure if there is a like at home test ya know? but you can start to give her glcosmine tablets or buy food with it in it my dog is 16 and her food has it in there and she still runs and plays around and she can jump up on my bed n stuff but ya best to take her to the vet to make sure good luck!