Stroke exercise physiology advice
What is a stroke?
A stroke occurs when the brain’s blood supply is disrupted, depriving brain cells of oxygen and nutrients. This can happen in two ways:
- Ischemic stroke: A blocked artery restricts blood flow.
- Hemorrhagic stroke: A weakened blood vessel ruptures and bleeds into the brain.
Because the brain controls all bodily functions, stroke symptoms vary depending on the area affected. Common signs include:
- Difficulty speaking or understanding language
- Sudden weakness, numbness, or paralysis (often on one side of the body)
- Vision disturbances in one or both eyes
- Sudden severe headache
- Loss of balance, coordination, or ability to walk
A stroke is a medical emergency, and early treatment significantly improves outcomes.
Is it safe to exercise after having a stroke?
Yes — once medically cleared, exercise is not only safe but strongly recommended.
After a stroke, people often become less active due to fatigue, fear, or physical limitations. However, reducing sedentary time and gradually increasing physical activity is essential for recovery.
How does exercise help after having a stroke?
Stroke can impair multiple body systems — muscular, neurological, cardiovascular — depending on where the injury occurred in the brain. Exercise helps retrain these systems through repetition, neuroplasticity, and strengthening. Benefits include:
- Rebuilding strength: Restores muscle power weakened after stroke or bed rest.
- Improving coordination & motor control: Helps refine both gross and fine motor skills.
- Managing changes in muscle tone: Exercise and stretching programs can reduce spasticity and hypertonia.
- Enhancing balance & stability: Reduces falls risk and improves confidence with movement.
- Reducing swelling: Movement supports circulation and lymphatic return.
- Improving energy levels: Enhances cardiovascular health and reduces fatigue (both mental and physical).
- Pain management: Improved mobility and capacity often reduces post-stroke musculoskeletal pain.
- Cognitive benefits: Exercise boosts blood flow to the brain, assisting with memory, attention, and problem-solving.
- Mental health: Physical activity supports mood regulation and reduces anxiety or depression commonly experienced after stroke.
Improved Functionality after a stroke
Regular, guided exercise contributes to meaningful functional improvements, such as:
- Better walking capacity (speed, endurance, and stability)
- Greater independence with daily activities (dressing, bathing, eating)
- Improved use of affected limbs via task-specific training
- Enhanced cardiovascular fitness, lowering the risk of secondary stroke
- Improved community participation, confidence, and quality of life
Functional training — like practicing step-ups, reaching tasks, or gait retraining — helps translate exercise gains into everyday capability.
Wrtitten by Sophie Annear
Marden myPhysioSA Exercise Physiologist
