79. A client came with anterior knee pain. The pain became severe when going down stairs and squatting. The client felt the knee lock up. What muscle may be involved?

A. Rectus femoris
B. Popliteal
C. Gluteus maximus
D. Piriformis



Answer :

Final answer:

The rectus femoris muscle from the quadriceps femoris group may be involved in the anterior knee pain and potential patella tracking issues.


Explanation:

The muscle that may be involved in the anterior knee pain described could be the rectus femoris, which is part of the quadriceps femoris group.


The rectus femoris, along with the vastus lateralis, vastus medialis, and vastus intermedius, make up the quadriceps femoris muscle group that extends and stabilizes the knee.


Imbalances in these muscles can lead to issues such as knee pain and tracking problems of the patella.


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