Anatomy of the proximal anterior upper leg as illustrated in

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Markus Müller's research works Medical University of Vienna, Vienna (MedUni Vienna) and other places

Bone Structure

Anterior Posterior Leg Muscles: Over 52 Royalty-Free Licensable Stock Vectors & Vector Art

Guide to Knee Joint Anatomy

Markus Müller's research works Medical University of Vienna, Vienna (MedUni Vienna) and other places

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Hip and thigh muscles: Anatomy and functions

Anatomical Terminology Anatomy and Physiology I

an axial illustration of the proximal thigh demonstrating the anatomy

Muscles of the Anterior Thigh - Quadriceps - TeachMeAnatomy