Paralysis: What It Is, Causes, Symptoms, Management Types What is paralysis? Paralysis occurs when you’re unable to make voluntary muscle movements A nervous system problem causes paralysis Nerves send signals to your muscles Those signals make your muscles move When you’re paralyzed, or have paralysis, you can’t move certain parts of your body
Paralysis - Wikipedia Paralysis can occur in localized or generalized forms, or it may follow a certain pattern Most paralyses caused by nervous-system damage (e g , spinal cord injuries) are constant in nature; however, some forms of periodic paralysis, including sleep paralysis, are caused by other factors
Paralysis: Causes, Symptoms, and When to Seek Medical Help When something prevents this communication, your ability to move is affected and can result in weakness, loss of muscle coordination or paralysis Paralysis is sometimes a gradual process, but it can also happen suddenly