Here’s a great exercise to help strengthen the Gluteus medius.

“Myofascial pain syndrome (primarily involving the gluteus medius) is present in the majority of patients with LBP (73%) , sciatica (50%), and LBP with sciatica (85%).”

Kameda M, Tanimae H. Effectiveness of active soft tissue release and trigger point block for the diagnosis and treatment of low back and leg pain of predominantly gluteus medius origin: a report of 115 cases. J Phys Ther Sci. 2019;31(2):141-148.