Quadrate tubercle

Quadrate Tubercle

The Quadrate Tubercle is a small, roughened elevation on the anterior aspect of the distal part of the femur, located on the intercondylar ridge between the medial and lateral condyles. It is a part of the human anatomy and plays a significant role in the knee joint.

Etymology

The term "Quadrate Tubercle" is derived from the Latin words "quadratus" meaning square and "tuberculum" meaning small swelling. This is due to the square-like shape of the tubercle.

Anatomy

The Quadrate Tubercle is located on the anterior aspect of the distal part of the femur, on the intercondylar ridge between the medial and lateral condyles. It serves as the attachment site for the quadratus femoris muscle, which is a flat, quadrilateral skeletal muscle. This muscle works to laterally rotate the thigh at the hip joint.

Clinical Significance

The Quadrate Tubercle is a significant landmark in orthopedic surgery, particularly in procedures involving the knee joint. It is used as a reference point in the placement of prosthetic knee components during knee arthroplasty. It is also used as a landmark in the diagnosis and treatment of various knee disorders.

Related Terms

• Femur: The largest bone in the human body, to which the Quadrate Tubercle is attached.
• Quadratus Femoris Muscle: The muscle that attaches to the Quadrate Tubercle.
• Intercondylar Ridge: The ridge on the femur where the Quadrate Tubercle is located.
• Knee Arthroplasty: A surgical procedure in which the knee joint is replaced with an artificial joint.

See Also

• List of bones of the human skeleton
• List of muscles of the human body

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