The femur is your thigh bone. It’s the longest, strongest bone in your body.
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Femur - Wikipedia
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Femur, Definition, Function, Diagram, & Facts
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Physical Therapy in San Antonio for Hip - Adult Femur Fractures
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Bone Structure Anatomy and Physiology I
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Thigh: Anatomy Concise Medical Knowledge
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Patellar Instability - Anatomy and Causes - Jeffrey H. Berg, M.D.