The erector spinae is a group of muscles and tendons, including the spinalis muslces, which run vertically up your spine. Together, the erector spinae muscle group and the spinalis muscles aid in backbending, side bending and twisting the spine.
How to Effectively Memorize Scripture Introduction: The best way I know of for memorizing the Word is to use Scripture memory cards.
IV. Memorize three verses a week. Three verses a week is a time-proven ideal for Scripture memory. More than that tends to be confusing to recall over a period of time, and less than that often fails to keep you interested in Scripture memory.