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Gerdy's tubercle is a lateral tubercle of the tibia, located where the iliotibial tract inserts. It was named after French surgeon Pierre Nicolas Gerdy (1797–1856).. Gerdy's tubercle is a smooth facet on the lateral aspect of the upper part of the tibia, just below the knee joint and adjacent to the proximal tibio-fibular joint, where the iliotibial tract runs down the outside part of the thigh.
The iliac tubercle is located approximately 5 cm (2 in) posterior to the anterior superior iliac spine on the iliac crest in humans. [1] The transverse plane that includes each of the tubercles (one from the left iliac tubercle and one from the right iliac tubercle) is called the transtubercular plane .
The iliotibial tract or iliotibial band (ITB; also known as Maissiat's band or the IT band) is a longitudinal fibrous reinforcement of the fascia lata. The action of the muscles associated with the ITB ( tensor fasciae latae and some fibers of gluteus maximus ) flex, extend, abduct, and laterally and medially rotate the hip.
The iliotibial tract may be irritated where it passes over the anterior superior iliac spine in iliotibial band syndrome. [3] The line around anterior superior iliac spine is sometimes called the panty line or "bikini line". [8] It is considered to be a "discreet" location for concealing cosmetic surgery scars and ports. [9]
The iliac tuberosity is part of the anatomy of the ilium portion of the hip bone.Behind the iliac fossa is a rough surface, divided into two portions, an anterior and a posterior. [1]
Behind the ASIS, it divides into an outer and inner lip separated by the intermediate zone. The outer lip bulges laterally into the iliac tubercle. [1] Palpable in its entire length, the crest is convex superiorly but is sinuously curved, being concave inward in front, concave outward behind. [2] It is thinner at the center than at the extremities.
The fascia lata is an investment for the whole of the thigh, but varies in thickness in different parts. It is thicker in the upper and lateral part of the thigh, where it receives a fibrous expansion from the gluteus maximus, and where the tensor fasciae latae is inserted between its layers; it is very thin behind and at the upper and medial part, where it covers the adductor muscles, and ...
The tuberosity of the tibia, tibial tuberosity or tibial tubercle is an elevation on the proximal, anterior aspect of the tibia, just below where the anterior surfaces of the lateral and medial tibial condyles end.