As a side (and anecdotal) note, you still can have bad form while walking due to previous injuries or bad posture. So if you experience lower back pain while wa

As a side (and anecdotal) note, you still can have bad form while walking due to previous injuries or bad posture. So if you experience lower back pain while walking (as I have in the past) check some videos on good walking technique on youtube or consult with an expert.