HMS, BM EQ-Bank 26 MC The muscle group indicated in the image below is primarily responsible for: Hip flexion Knee extension Knee flexion Hip extension Show Answers Only \(B\) Show Worked Solution B is correct. The quadriceps are the primary knee extensors Other Options: A is Incorrect: Hip flexion is primarily performed by the iliopsoas C is Incorrect: Knee flexion is performed by the hamstrings D is Incorrect: Hip extension is primarily performed by the gluteus maximus and hamstrings