My problems are as follows: 1-burning pain in right groin (sometimes it alternates to left) 2-pain on right si joint 3-occasional, short, very sharp, electric shock-wise pain in right outer-thigh. p.s. mris for pelvis, si, lomber and femoral are fine

Nerve injury?: This certainly sounds like a nerve type of pain. With normal MRIs as you stated , it still could be a problem called “meralgia paresthetica “ involving compression of a surface nerve, more common in overweight people or when wearing tight clothes. An EMG nerve test can help determine this. If you have not seen a good neurologist I recommend that