This time we are looking on the crossword puzzle clue for: Back.
it’s A 4 letters crossword definition.
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Last seen on: –USA Today Crossword – May 5 2021
–LA Times Crossword 21 Apr 21, Wednesday
–The Washington Post Crossword – Apr 11 2021
–LA Times Crossword 11 Apr 21, Sunday
–LA Times Crossword 7 Mar 21, Sunday
–Universal Crossword – Oct 13 2020
–NY Times Crossword 31 May 20, Sunday
–NY Times Crossword 7 Mar 20, Saturday
–New York Times – Mar 7 2020
–Wall Street Journal Crossword – February 27 2020 – Back to the Grind
–The Telegraph – QUICK CROSSWORD NO: 29,285 – Feb 13 2020
–NY Times Crossword 31 Jan 20, Friday
NY Times Crossword 2 Jun 19, Sunday
Random information on the term “Back”:
The erector spinae (/ɪˈrɛktər ˈspaɪni/ i-REK-tər SPY-nee) or spinal erectors is a set of muscles that straighten and rotate the back.
The erector spinae is not just one muscle, but a group of muscles and tendons which run more or less the length of the spine on the left and the right, from the sacrum or sacral region (the bony structure beneath your lower back [lumbar] vertebrae and between your hips/glutes) and hips to the base of the skull. These muscles lie on either side of the vertebral column spinous processes (the bony points up and down the middle of your back) and extend throughout the lumbar, thoracic, and cervical regions (lower, middle, and upper back and the neck). The erector spinae is covered in the lumbar and thoracic regions (lower back and lower middle back) by the thoracolumbar fascia, and in the cervical region (neck) by the nuchal ligament.
This large muscular and tendinous mass varies in size and structure at different parts of the vertebral column. In the sacral region, it is narrow and pointed, and at its origin chiefly tendinous in structure. In the lumbar region, it is larger, and forms a thick fleshy mass. Further up, it is subdivided into three columns. They gradually diminish in size as they ascend to be inserted into the vertebrae and ribs. Picture a tree trunk branching out left and right.