The anterior muscles of the thigh that originate on the os coxae are the anterior muscles of the thigh that originate on the os coxae are sartorius; rectus femoris vastus lateralis; vastus medialis rectus femoris; vastus medialis sartorius; vastus medialis

From the option provided, sartorius; rectus femoris is the correct answer.

Three major types of muscles that are present in the interior compartment of the thigh and these muscles include:

The quadriceps femoris is also comprised of four muscles (three vastus and the rectus femoris).  The rectus femoris is a bulk of muscles that is within the anterior middle compartment of the thigh.

The rectus femoris crosses the hips and emanate from the ilium. This bulk of muscles is superior and contribute kneel flexion; it also helps iliopsoas muscle in hip flexion.

The Sartorius is also a type of muscle that is present in the interior compartment of the thigh and it is the longest in the body: It is thin and very long. The Sartorius is also known as honeymoon or tailor's muscle and it is located in the front of the thigh.

Some of the functions of the Sartorius's muscle include:

However, Pectineus are flat muscles and can be located within the upper and medial part of the thigh.

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the aswer is letter c