Episode 274: “Tensor Fasciae Latae Release” The Tensor Fasciae Latae also known as the “TFL,” originates on the ASIS and inserts on the Iliotibial tract. This muscle will abduct, flex, and internally rotate the Hip. When the Gluteus medius is weak, there is an increase demand of the TFL as a secondary hip stabilizer, which in turn this muscle becomes overactive and tight (Fredericson et al, 2000) Dr. Shirley Sahrmann describes this muscle as having a very low threshold to become activated. She s