Lower Extremity Functional Scale (LEFS) for Knee Disorders

Summary

What it measures:

Lower extremity musculoskeletal function

Target Population:

People with knee disorders (any condition of the joints, muscles, or other soft tissues), including knee osteoarthritis (OA), total knee arthroplasty (TKA), and anterior knee pain

Members Only Content

Join APTA to get unlimited access to content including evidence-based research, guidance on payment changes, and other resources to help you thrive. Learn more about membership benefits.

Yes, sign me up for an APTA membership!

Already a member? Log in

You Might Also Like...

CPG

Physical Therapist Management of Total Knee Arthroplasty: Revision 2026 (CPG+)

This guideline is intended to be used by qualified and appropriately trained PTs involved in the management of patients undergoing total knee

CPG

Female, Woman and/or Girl Athlete Injury pRevention (FAIR) Practical Recommendations: International Olympic Committee (IOC) Consensus Meeting Held in Lausanne, Switzerland, 2025

Clinical Summary

Knee Osteoarthritis

OA may be accompanied by pain, immobility, muscle weakness, and a decrease in function and activities of daily living.