Iliacus Muscle
Rectus Femoris Muscle
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The rectus femoris muscle is one of the four quadriceps muscles of the leg, and is the strongest extensor of the knee.
Rectus Femoris Muscle (Musculus rectus femoris)
Attachments of Rectus Femoris: Origin and Insertion
Origin (proximal attachment)
a. Anterior inferior iliac spine and ilium above the acetabulum.
Insertion (distal attachment)
a. Quadriceps tendon to base of patella and onto tibial tuberosity via the patellar ligament.
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Actions of Rectus Femoris on the thigh (femur):
a. Flexes thigh at hip; (also extends leg at knee; part of quadriceps group).
Nerve to Rectus Femoris muscle and its spinal segment:
Femoral nerve (L2-L4).
Ever wondered what the 9 most difficult to pronounce lower limb muscles are? Learn them in this video:
An Overview of the Anterior Thigh Muscles
Muscles That Act On The Anterior Leg (From The Thigh)