Patella (Knee cap)

Patella (Knee cap) The structure indicated is the patella bone. The patella (knee cap) is a triangular shaped bone that is encapsulated within the quadriceps femoris tendon and is the largest sesamoid bone in the human body. It is located anteriorly to the knee joint and attaches via its inferiorly directed apex to the proximal tibia by the patellar ligament. The base of the patella provides a broad surface for the attachment of the quadriceps femoris muscles. The patella functions to transmit the forces from the powerful thigh muscles to the leg and is particular important in knee extension. Learn …

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Patella (knee cap)

Patellar ligament

Patellar Ligament The structure indicated is the patellar ligament. The quadriceps muscles of the thigh attach to and encapsulate the patella (the kneecap), via the quadriceps tendon. The patella ligament is essentially the continuation of the quadriceps tendon inferior to the patella, attaching it to the tibial tuberosity. Learn more about the muscles of the thigh in this tutorial.

Patellar ligament