Vastus Lateralis Muscle
Vastus Intermedius Muscle
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The vastus intermedius is an anterior thigh muscle part of the quadriceps femoris.
Vastus Intermedius Muscle
Attachments of Vastus Intermedius Muscle: Origin & Insertion
Origin: (proximal attachments):
Anterior and lateral surfaces of shaft of femur.
Insertion: (distal attachments):
Quadriceps tendon to base of patella and onto tibial tuberosity via the patellar ligament.
Actions on the leg (tibia & fibula):
Extends leg at knee; (part of quadriceps group).
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Nerve to Muscle and its Spinal Segment:
Femoral nerve (L2-L4).
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Muscles That Act On The Anterior Leg (From The Thigh)