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

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Consider Option B:

The quadriceps (specifically rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius) are the primary knee extensors

Other Options:

A: Incorrect because hip flexion is primarily performed by the iliopsoas
C: Incorrect because knee flexion is performed by the hamstring muscle group
D: Incorrect because hip extension is primarily performed by the gluteus maximus and hamstrings