First look at the specific disease. For example, some patients with vertebral foramen stenosis are prone to cerebral ischemia under high intensity, so strength training should be cautious. The second is to look at the specifications of the gym. The first thing to look at is its coach. If you have any illness, you'd better ask a private tutor first. It depends on the qualifications or experience of the coach. Secondly, it depends on its terms. There is usually an exemption clause, see if you can accept it.