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.
If any of those tests revealed a weakness in the gluteus medius, you must address the weakness if you are going to correct the cause of any injuries you are experiencing due to that weakness. Simply taking rest time will not correct the underlying cause of your issues.