Cumberland Ankle Instability Tool

A validated 9-item questionnaire designed to measure the severity of functional ankle instability in individuals with chronic ankle instability.

Instructions:

Answer all 9 questions about your ankle condition over the past month. Select the response that best describes your situation. Consider your most affected ankle when answering.

Ankle Stability Assessment

1. I have pain in my ankle during activities of daily living

4

Never

3

During vigorous activities

2

During moderate activities

1

During minimal activities

0

Always

2. My ankle feels unstable when walking on uneven surfaces

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

3. My ankle feels unstable when walking on level surfaces

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

4. My ankle feels unstable when going up stairs

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

5. My ankle feels unstable when going down stairs

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

6. My ankle feels unstable when running on uneven surfaces

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

7. My ankle feels unstable when running on level surfaces

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

8. My ankle feels unstable when making sharp turns while running

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

9. My ankle feels unstable when landing from a jump

4

Never

3

Sometimes during vigorous activities

2

Sometimes during moderate activities

1

Sometimes during minimal activities

0

Always

Patient Watch Form - 4/2/2026