Monoplegia Overview What is monoplegia? Monoplegia occurs when something, like a stroke or an injury, disrupts the nerve signals to the muscles in your arm or leg. It’s a type of paralysis that affects one arm or leg. Paralysis means you can’t move a part of your body. Monoplegia is sometimes temporary, but it’s often permanent. A problem with your nervous system causes monoplegia. Your nervous system is your body’s command and communication system. It sends signals from your brain throughout your body, telling it what to do. If something damages your nervous system, messages can’t get through to the muscles in your arm or leg. The message has to go from your brain to your spinal cord, nerve roots, nerves and then your muscles. So, there are a lot of places that monoplegia could come from. Symptoms The inability to move one of your arms or legs is the most common symptom of monoplegia. Other symptoms that happen with monoplegia that may affect your arm or leg include: Curling of ...
Hemiplegia Overview Hemiplegia is paralysis that affects only one side of your body. This symptom is often a key indicator of severe or life-threatening conditions like a stroke, but can also happen with conditions and circumstances that aren’t as dangerous. Hemiplegia is paralysis, which means you can’t move or control the muscles in the affected body part. That can cause muscles that are completely limp. It can also cause spastic hemiplegia, a type of paralysis where muscles contract uncontrollably. Hemiplegia affects either the right side of your body (right hemiplegia) or the left side of your body (left hemiplegia), with your spine (backbone) being the dividing line between the two halves. Hemiplegia may affect your face, arm and leg on one side of your body in various ways: The paralysis may not be present, or not be as severe in all of these three body areas. There are even some rare conditions that cause hemiplegia to come and go, affecting one or both sides of the body as it d...