Vastus Lateralis Anatomy: Origin, Insertion, Action, Innervation

Vastus Lateralis Anatomy Study

Vastus Lateralis anatomy origin, insertion, action, innervation

Origin: Upper aspect of the intertrochanteric line, base of the greater trochanter and onto its anterior surface, from the proximal portion of the lateral lip of the linea aspera, lateral intermuscular septum
Insertion: Into the lateral side of the quadriceps tendon, joining with rectus femoris and the other vasti muscles, enveloping the patella, then by the patellar ligament into the tibial tuberosity.
Action: Extension of the leg at the knee
Innervation: Posterior division of the femoral nerve (L3 – 4)
Blood Supply: Branches from the profunda femoris artery


Synergist: Rectus Femoris, Vastus Intermedius, Vastus Medialis

Antagonist: Gastrocnemius, Popliteus, Gracilis, Sartorius

Primary Actions of the Vastus Lateralis: 

1. Extension of the leg at the knee

  • Agonist: Vastus Medialis, Vastus Intermedius, Rectus Femoris
  • Antagonists: Biceps Femoris, Semitendinosus, Semimembranosus

For pain and injury information see:  Vastus Lateralis Muscle: Hip, Thigh, Knee Pain


Anatomy Books For Your Library

Musculoskeletal Anatomy Flashcards

Musculoskeletal Flashcards

Are you a student or professional therapist who needs to brush up on the musculoskeletal system? Dr. Joseph E. Muscolino DC has developed a comprehensive set of flashcards that will help develop a mind’s picture of exactly where the muscles lie under the skin. A highly recommended study aid for students.  Great for non students who want an easy comprehensive anatomy guide.

coloring_book
The Anatomy Coloring Book is one of the best study and reference books for beginning anatomy students. The diagrams are clearly labeled and allow you to see the relationship and placement of the various structures of the body. You will also be surprised how the act of coloring will help with recall. But this is not just a beginners book, it is also great for practitioners and therapists to have on hand to use with clients and patients to use as a visual reference.

 

 

References:

The Trigger Point Therapy Workbook – Claire Davies, Amber Davies, and David G. Simons

Basic Clinical Massage Therapy: Integrating Anatomy and Treatment – James H. Clay and David M. Pounds

Trigger Point Therapy for Myofascial Pain – Donna Finando and Steven Finando

Massage Therapy Principles and Practice – Susan Salvo

Theory & Practice of Therapeutic Massage – Mark Beck

 

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