Bend knees, draw in your abdomen, flatten your back wherever you can. Don't try lifting very heavy objects and avoid sudden moves. Avoid sitting in one position for too long especially sitting. Excess weight can put a tremendous strain on the back so get down and maintain an optimal weight and stay there. Your shoes, make sure they are comfortable and have a low heal.
Swimming is an excellent activity for people with back problems.
Water therapy is great for getting your back, back into shape, if you have an injury so jump into the pool and try aquatic therapy with Pedro. Remember too, emotional fitness is as important as physical fitness. Tense people usually have tense back. So do your best to identify the situation that upset you and try to avoid them. These tips and a little patience and effort will make your and your back feel better.