Normal |
Normal |
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Normal |
Mild difficulty, perception of imbalance |
Mild difficulty, perception of imbalance |
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Mild difficulty, perception of imbalance |
Moderate difficulty, but requires little or no assistance |
Moderate difficulty, but requires little or no assistance |
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Moderate difficulty, but requires little or no assistance |
Severe disturbance of walking, requires assistance or walking aids |
Severe disturbance of walking, requires assistance or walking aids |
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Severe disturbance of walking, requires assistance or walking aids |
Cannot walk at all even with assistance |
Cannot walk at all even with assistance |
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Cannot walk at all even with assistance (wheelchair bound) |