Spasticity occurs when there’s a communication problem between the muscles and the
brain or spinal cord
- In people with MS, the covering of the nerves in the brain and spinal cord that control movement are damaged
Spasticity causes a tightness or stiffness in the muscles and can prevent normal
movement
- Typically occurs in the legs, groin, and buttocks
- Some people experience spasticity in their back
- It can also affect the arms, hands, and even speech