TrainOnline offers tons of free fitness videos along with other things like articles about fitness. The website includes hundreds of well shot videos with expert advice on how to perform the movements safely. You can access a lot of the site’s content without signing up at all, although if you want to talk to others on the forums, create workouts and track your favorite exercises, you’ll need an account. Memberships cost $20 for a whole year. You can save videos under favorites, and then incorporate them into your workout routine. Under each video, it will tell you what the movement is considered to be beneficial for, and what muscle groups are involved.