Rectus Femoris Muscle
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).
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