One of the body features of people suffering from IT band syndrome is that the center of gravity moves forward, as shown in the picture above. This is detailed in the bottom video. If the core is weak, the center of gravity is shifted forward.

Then naturally, the hip muscles are out of their neutral position, which means they cannot function 100% (see 4:08 in the video), and if these muscles that hold the top of the thigh bone from the back do not function properly, the bone slightly tilts forward.

In this case, the front thigh muscles and TFL tend to get tense to prevent the thigh bone from falling forward and this can make them tight. IT band, in turn, can get tight too as it is attached to the TFL muscle. As a result, the attachment of the IT band gets pulled, which can gradually irritate the area, possibly causing pain.

The second feature is that the center of gravity is tilted to one side, as shown in the second picture. In the case of this woman, the weight is shifted to the right. This can increase the tension on the IT band. Muscles, tendons, ligaments, etc. can get tight when they are in a lengthened position. Prolonged exposure to such tension can cause pain on its attachment that continues to be pulled.

However, the opposite side is not safe from IT band syndrome. The left TFL and IT band are placed in a shortened position, and the muscles that have been placed in a shortened position for a long time gradually get tense. This will again pull the attachment of the IT band, which can cause pain over time.

The third feature is pelvis rotation where the pelvis is rotated like in the pictures above. The more twisted the pelvis, the more the body turns to one side. As you can see, this man turns to the right.

Then, as the left IT band is placed in a relatively forward position, the phenomenon described in the first feature is likely to occur. On the other hand, the right IT band is placed in a relatively rear position, and there is a high probability that it will become shorter and tense as described in the second feature.

Since the movement of the human body should always be considered holistically, these characteristics often appear in combination rather than alone, so it is important to exercise to balance the body shape no matter what the problem is.