Typically the medical sources that are used to prove social security disability include your medical records and any records from chiropractors or other healthcare professionals you may have treated with. Now some are better than others. There is no doubt that a residual functional capacity evaluation performed by a medical doctor or an osteopathic doctor will carry more weight than an RFC filled out by a chiropractor or a physical therapist. But any of them and all of them will help to a certain degree if they support your claim for disability.
What medical sources can I use to prove social security disability?
Playlist: Social Security Disability