I am 72, have had PMR for over a year now, on prednisone for almost a year, and I have had symptoms in my legs for most of that time, though also upper body, shoulder and hip symptoms off and on. I initially went to my internist with a main complaint of leg weakness and pain. Since I have a long history of lumbar spine problems she sent me for an MRI. I essentially have no discs at four spine levels so she sent me for a lumbar cortisone injection (which I never received). I told her I thought something else was going on but she did not believe me. Then I got worse. I was running a fever, I felt sick but did not have Covid, couldn't raise my arms and in the morning I felt like my legs wouldn't hold me when I got up. Finally I got to a rheumatologist and was put on 20 mg prednisone which took all my symptoms away. I'm presently on 10 mg after twice failing the taper to levels lower than that. Most of the symptoms I have now are in my legs. I get pain sometimes in the front of my thighs, sometimes the back and sometimes in the calves. In the morning I'm very stiff and my shoulders and sometimes neck hurt. About 2 hours after I take the prednisone I am much better. I have a lot of fatigue. Symptoms in the legs are not the "classic" PMR symptoms so I have, at times, like you, questioned the diagnosis. However, the combination of everything I've experienced confirms in my mind that I do have the disease. You did not mention lab results, but my ESR was high (35) but not really high and my CRP was normal.