Symptom 5: Difficulty with Coordination and Balance
Ataxia, the medical term for difficulty with coordination and balance, is a significant symptom in SPMS. This lack of coordination can affect both gross motor skills (like walking or lifting objects) and fine motor skills (like writing or buttoning a shirt).
The basis of these coordination difficulties lies in the damage to the cerebellum, the part of the brain that controls balance and coordination. As MS lesions accumulate in this area, they disrupt the smooth coordination of muscle movements, leading to clumsiness and unsteadiness.
Balance issues, on the other hand, can stem from various factors. These include muscle weakness, sensory disturbances (like numbness or tingling in the feet), and even visual disturbances. The inability to maintain a steady, upright posture often leads to frequent trips and falls.
Fine motor skills can also be significantly affected. Tasks that require precision and control like writing, typing, or threading a needle can become increasingly challenging. This loss of skill can be particularly frustrating as it interferes with daily activities and independence. (5)
