You need to pay close attention to your back when bending or kneeling. If you feel any pulling, pain, or discomfort then stop immediately, as these feelings signal strain on your back. If you stop immediately, you may be able minmize any future potential issues and discomfort with your back.
Making small changes throughout your daily life to better adjust for the back, is not as hard as it may seem. These little improvements, when applied routinely, will have a positive influence on the strength and support of your spinal column. A spine with more support is less likely to develop issues, thus, will keep you free from back pain.