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.
Rating Newest Oldest. Best Answer: Adderall XR stays in the blood for about 8 hours. It will register in a urine test for 2 or 3 days. It really depends on how your body metabolizes drugs.Be sure to tell your friend to be honest about all meds. that she is on OTC and otherwise. Adderall is methamphetamine after all.ating Newest Oldest. Best Answer: Adderall XR stays in the blood for about 8 hours. It will register in a urine test for 2 or 3 days. It really depends on how your body metabolizes drugs.