Yes and people don't realize how much it helps with mobility. I used to not really train my legs and would just do lighter weight mobility exercises but I was still very stiff in some movements even after years. It was only when I added in proper weight training that my body started to loosen up. Tight muscles generally are weak muscles after all. Plus it's very rewarding seeing the weights gradually going up and actually seeing your muscles growing, not to mention the dozens of other benefits