Rectus femoris muscle (3D)

The video tutorial explores the anatomy, innervation, and functions of the rectus femoris muscle. It details the muscle's origin, structure, and attachment points, highlighting its role in flexion of the thigh and extension of the leg. The rectus femoris is part of the quadriceps group and is unique in acting on both the hip and knee joints. The tutorial uses the example of kicking a football to illustrate the muscle's functions, earning it the nickname 'kicker's muscle'.

Which nerve is responsible for innervating the rectus femoris muscle?

• Obturator nerve

• Femoral nerve

• Sciatic nerve

• Tibial nerve

Where does the rectus femoris muscle originate?

• Ischial tuberosity

• Greater trochanter

• Anterior inferior iliac spine

• Anterior superior iliac spine

What is the primary function of the rectus femoris muscle at the hip joint?

• Adduction of the thigh

• Abduction of the thigh

• Flexion of the thigh

• Extension of the thigh

Which movement is NOT performed by the rectus femoris muscle?

• Knee extension

• Rotation of the thigh

• Extension of the leg

• Flexion of the thigh

Why is the rectus femoris muscle often referred to as the 'kicker's muscle'?

• It is primarily used in running

• It is involved in both flexing the thigh and extending the leg

• It stabilizes the knee during walking

• It is the strongest muscle in the body