What impact does reduced range of motion have in spastic dysarthria?

• A. Facilitates easier speech production
• B. Contributes to speech articulation difficulty
• C. Enhances vocal efficiency
• D. Improves overall verbal communication

Answer: (B)

In spastic dysarthria, reduced range of motion significantly contributes to difficulties with speech articulation. This condition is characterized by increased muscle tone and stiffness, which can lead to limitations in the movement of the articulators, including the tongue, lips, and jaw. The reduced mobility means that people with spastic dysarthria may struggle to achieve the precise movements necessary for clear speech production.

As the articulators are unable to move freely or effectively, the clarity of speech may be compromised, leading to slurred or distorted sounds. This decreased range of motion can result in a monotonous voice and a lack of coordination among speech components, further affecting intelligibility. Therefore, the relation of reduced range of motion to articulation difficulties is a critical aspect of understanding the speech characteristics associated with spastic dysarthria.