hemiparesis [hem″e-pah-re´sis]Weakness affecting one side of the body
The most common movement impairment is hemiparesis, which refers to one-sided (“hemi”) weakness (“paresis”). Hemiparesis affects roughly 80 percent of stroke survivors, causing weakness or the inability to move one side of the body. Weakness can impact arms, hands, legs and facial muscles. Those impacted may have trouble performing everyday activities such as eating, dressing, using the bathroom and grabbing objects.
Hemiparesis in the arms, hands, face, chest, legs or feet can cause:
- Loss of balance
- Difficulty walking
- Impaired ability to grasp objects
- Decrease in movement precision
- Muscle fatigue
- Lack of coordination
Right Hemisphere Left-sided Hemiparesis
Left-sided hemiparesis results from injury to the right side of the brain, which controls the process of how we learn, nonverbal communication and certain types of behavior. Stroke survivors with damage to the right side of the brain may also have trouble with memory and attention span, and may talk excessively. Left-sided hemiparesis can also inhibit a stroke survivor's sensation and spatial skills.
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