What does ataxia refer to?

Ataxia specifically refers to a lack of coordination and control of bodily movements, which commonly presents as uncoordinated walking. This condition can affect various parts of the body that manage movement and balance, leading to difficulties in walking, performing tasks, and maintaining posture.

When considering ataxia, it's important to understand that it often results from disruptions in the brain's ability to coordinate muscle activity. The symptoms may also include an unsteady or staggering gait, making it difficult for individuals to walk in a straight line or maintain their balance while moving.

Regarding the other choices, muscle stiffness relates more closely to conditions such as spasticity, excessive fatigue after exercise is a symptom of different physical responses, and loss of overall balance can occur, but it is broader and does not specifically define ataxia, which is primarily characterized by a lack of coordination.