Human Thigh and Knee Muscle Anatomy Diagram | Medical Education Resource #184856 (License: Personal Use)

This medical illustration depicts the major muscle groups of the human lower limb-quadriceps (rectus femoris, vastus lateralis, medialis, intermedius), hamstrings (biceps femoris, semitendinosus, semimembranosus), and associated tendons at the knee joint. Key structures such as the patella, femoral condyles, and proximal tibial insertions are highlighted in yellow to emphasize attachment points and functional anatomy. The image uses clean vector styling for clarity in educational contexts.

Used in anatomy textbooks, online medical courses, physical therapy guides, and orthopedic patient education materials; supports user intent for learning muscle function, diagnosing injuries, or planning rehabilitation protocols.