Overview

Lower limb strengthening, especially the quadriceps training, is of much necessity for patients with knee arthroplasty. As the quadriceps strengthening exercises play a vital role in controlling gait pattern during walking and different activities. Vastus inetrmedius muscle responsible for the last 10 degree of knee extension. This enable the knee joint to be in locked position which is the stable position during gait.

Eligibility

Inclusion Criteria:

1. Age (ranging from 40 to 60 years old).
2. Weight (ranging from 65 to 75 kg).
3. Height (ranging from 150 to 165 cm)
4. Sex ( male/ female).
5. Patients who undergoing total knee arthroplasty after 1 months until one year after operation.

Exclusion Criteria:

1. Cognitive impairment.
2. Neuromuscular impairment.
3. Patient can't walk alone (need of assistive device).