Orthopedics

Lower Extremity Functional Scale (LEFS)

Evaluates functional impairment in patients with lower limb musculoskeletal conditions.

Enlarge

1. Any of your usual work, housework or school activities*

2. Your usual hobbies, recreational or sporting activities*

3. Getting into or out of the bath*

4. Walking between rooms*

5. Putting on your shoes or socks*

6. Squatting*

7. Lifting an object (e.g. bag of groceries from floor)*

8. Performing light activities around your home*

9. Performing heavy activities around your home*

10. Getting into or out of a car*

11. Walking 2 blocks*

12. Walking a mile*

13. Going up or down 10 stairs (about 1 flight)*

14. Standing for 1 hour*

15. Sitting for 1 hour*

16. Running on even ground*

17. Running on uneven ground*

18. Making sharp turns while running fast*

19. Hopping*

20. Rolling over in bed*

FormulaLEFS Score = Sum of 20 activity items scored 0 (Extreme difficulty/unable) to 4 (No difficulty). Maximum Score = 80.

Widely used in sports medicine, orthopedic surgery (ACL reconstruction, total hip/knee arthroplasty), and outpatient rehabilitation.

The Minimum Clinically Important Difference (MCID) is 9 points on the 80-point scale.