What is Spasticity? Tight Muscles and Stiff Limbs

Spasticity is an involuntary (and constant) contraction of muscles and in Multiple Sclerosis (MS) this usually occurs in the legs. Though many people with MS can say they suffer from spasticity the severity can range from a minor feeling of tightness to painful spasms to an inability to move the legs well enough to walk properly. Many people commonly describe spasticity in the legs as a feeling of being stiff or rigid causing them to feel like they are trying to walk on wooden stilts. When occurring in the legs spasticity can also lead to lower back pain but though spasticity usually occurs in the legs it also occurs in the arms.

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