you most definitely need to have your back evaluated. because of nerve pathways certain lumbar back problems can cause pain to be referred to your groin. i suspect you will need an mri to fully evaluate your back.
have lower back pain off and on sometimes testicals hurt bad also. what could this be? . since june my son has been having back pain off and on when standing a lot and it worries me because half the time my testicals hurt really bad. don't no if i should be worried is this something i should get looked at? what could cause this?