Vastus Medialis Muscle
Vastus Lateralis Muscle
Attachments of Vastus Lateralis Muscle: Origin & Insertion
Origin: (proximal attachments):
Greater trochanter. It also attaches to the lateral lip of linea aspera of femur.
Insertion: (distal attachments):
Quadriceps tendon to base of patella and onto tibial tuberosity via the patellar ligament.
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Actions on the leg (tibia & fibula):
Extends leg at knee; (part of quadriceps group).
Nerve to Muscle and its Spinal Segment:
Femoral nerve (L2-L4).