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.
This word has a comprehensive meaning in Scripture. In the Old Testament it is the rendering of the Hebrew word _sepher_, which properly means a writing, and then a volume (Ex. 17:14; Deut. 28:58; 29:20; Job 19:23) or roll of a book (Jer. 36:2, 4).