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The tuberosity of the tibia or tibial tuberosity or tibial tubercle is a large oblong elevation on the proximal, anterior aspect of the tibia, just below where the anterior surfaces of the lateral and medial tibial condyles end.
[edit] StructureIt gives attachment to the patellar tendon, which attaches to the patella from where the suprapatellar ligament forms the distal tendon of the quadriceps femoris muscles. The tibial tuberosity thus forms the terminal part of the large structure that acts as a lever to extend the knee-joint. The two ligaments, the patella, and the tibial tuberosity are all superficial, easily palpable structures. [1] [edit] FracturesTibial tuberosity fractures are infrequent fractures mostly common in adolescents. In running and jumping movements, extreme contraction of the knee extensors can result in avulsion fractures of the tuberosity apophysis. [2] [edit] See also[edit] Additional images[edit] Notes[edit] References
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