The most common though that I see in BJJ is the cervical sprain or strain. The cervical spine is the most mobile segment of the spine however it puts it at a high risk of injury. Cervical sprains/strains are soft tissue injuries. A strain is linked to muscle, while a sprain is linked to tendons.
However, for some people, effects are much shorter and they have to take modafinil 2X per day (albeit this is not that common). For other people, effects can last 20-24 hours. It all depends on how your body processes it.
How long does adderall ir and xr stay in your system? XR is a extended release so it stays a little longer as far as how long that depends on how much you took and other things like size and weight but it usually stays in urine f â¦ or 2 to 3 days.