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The trochanter is a bone feature of the tibia, it interacts with the femur. Its function is to aid in the stability of the knee joint.
First there are two trochanters. most simply called the Greater(the larger of the two) Trochanter and the Lesser(smaller of the two) Trochanter. Most of the time the "bump" you feel on the outside of your hip/upper leg is the Greater Trochanter. As with most "bumps' on bones ,the trochanters serves as anchor attachments for the muscles in hip/leg/buttock area. Among those muscles that insert to the Greater trochanter are the the Gluteus Minimus. Gluteus Medius, and Prirformis among others. Hope this helps

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Q: What does a trochanter do?
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