Table 2.

Lower Extremity Functional Scale (LEFS)

Lower Extremity Functional Scale (LEFS): Patient instructions: Today, do you or would you have any difficulty at all with these activities?	No difficulty 4	A little bit of difficulty 3	Moderate difficulty 2	Quite a bit of difficulty 1	Unable to perform activity or extreme difficulty 0
(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 like a bag of groceries from the 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 two blocks (about 1/6th mile or about 250 m)
(12) Walking 1 mile (1.6 km)
(13) Going up or down ten steps (about 1 flight of stairs)
(14) Standing for 1 h
(15) Sitting for 1 h
(16) Running on even ground
(17) Running on uneven ground
(18) Making sharp turns while running fast
(19) Hopping
(20) Rolling over in bed
Total LEFS score:

The LEFS measure is comprised of 20 items asking about difficulty performing a variety of everyday activities. Each item is scored by the subject as 0 (unable to perform) to 4 (no difficulty). LEFS score vary from 0 (low) to 80 (normal function). Overall, the minimum clinically important difference (MCID) is nine points