What corrective exercise principle is essential for improving mobility in stroke survivors?

For stroke survivors, the most effective corrective exercise principle for improving mobility is task-specific repetitive training. This approach is grounded in the concept of neuroplasticity - the brain's ability to reorganise itself by forming new neural connections. After a stroke damages part of the brain, repeatedly practising specific functional tasks (such as reaching for a cup, walking, or climbing stairs) stimulates the undamaged areas of the brain to take over the lost functions.

The key features of task-specific repetitive training are:

• The exercises mirror real-life activities the patient needs to perform.
• High repetition strengthens new neural pathways.
• Difficulty is progressively increased as the patient improves.

The other options are inadequate or harmful:

• High-intensity interval training only is inappropriate for most stroke survivors, especially in the early stages of recovery, due to the risk of cardiovascular complications and falls.
• Passive stretching only can help maintain joint range of motion but does not actively retrain the brain or rebuild functional movement patterns.
• Avoidance of all physical activity is counterproductive. Inactivity leads to muscle atrophy, joint stiffness, and further loss of function.