Several conditions can lead to motor function deficits, including:
1. Stroke: Often results in hemiplegia or hemiparesis, affecting one side of the body. 2. Parkinson's Disease: Characterized by tremors, rigidity, and bradykinesia. 3. Multiple Sclerosis: Can cause muscle weakness, coordination issues, and spasticity. 4. Traumatic Brain Injury: May result in varying degrees of motor impairment depending on the injury's location and severity.