Grade2 Spondy L5/S1& spina bifida occulta. Low back pain on right. What would cause sharp moving pain along inguinal ligament? GP palpation normal

Inguinal ligament. Maybe the ligament itself is injured? But there is no pain with palpation? It is not likely to be from your lower back spondylosis. That would be more likely to affect your feet and calves. Here is some info about the inguinal ligament: