which is an enlargement of the thyroid gland resulting from its overstimulation by elevated levels of TSH the TSH is elevated because there is little or no thyroid hormone in the circulation
The role of the gluteus medius during activities such as walking and running is to dynamically stabilize the pelvis in a neutral position during single leg stance. As you can see in the photo below, weakness of the right gluteus medius will cause the left hip to drop when standing on the right limb.
The gluteus medius muscle starts, or originates, on the outer surface of the ilium between the iliac crest and the posterior gluteal line above, and the anterior gluteal line below; the gluteus medius also originates from the gluteal aponeurosis that covers its outer surface.