Which bony landmark serves as an attachment for the ITB?

The iliotibial band (ITB) is a thick fascia that runs along the outer thigh, and its primary role is to provide stability to the knee joint during movement. Gerdy’s tubercle, located on the anterolateral aspect of the tibia, serves as the anatomical site for the attachment of the ITB. This bony prominence essentially acts as an anchor point, allowing the ITB to exert its stabilizing effects on the knee.

In contrast, other landmarks mentioned, such as the pes anserine, tibial tuberosity, and gluteal tuberosity, serve different anatomical functions. The pes anserine is the site of attachment for the tendons of three muscles (sartorius, gracilis, and semitendinosus), while the tibial tuberosity is primarily the attachment point for the patellar tendon. The gluteal tuberosity is an insertion point for the gluteus maximus muscle and does not relate directly to the ITB. Therefore, Gerdy’s tubercle is distinctly associated with the ITB’s function and stability of the knee.