When evaluation an online source, one of the most important things to ask yourself would be how recently was the website published, in that way you can know if the information is recent and dated, or of it is old and outdated and it wouldn´t help you to continue eny further with your investigation using that information.
Strengthening the muscles that support your shoulder will help keep your shoulder joint stable. Keeping these muscles strong can relieve shoulder pain and prevent further injury. Flexibility: Stretching the muscles that you strengthen is important for restoring range of motion and preventing injury.