Based on current consumption, it is estimated that you-and every other person in the United States-will use more than a million pounds of rocks, minerals and metals during your lifetime including: 1  800 pounds of lead-Primarily used in the construction of batteries.
The erector spinae group of muscles on each side of the vertebral column is a large muscle mass that extends from the sacrum to the skull. These muscles are primarily responsible for extending the vertebral column to maintain erect posture.he muscles of the trunk include those that move the vertebral column, the muscles that form the thoracic and abdominal walls, and those that cover the pelvic outlet.
The Vertebral Column (also called the Spinal Column). It is formed by 26 irregular bones called vertebrae. The vertebral column has five major regions.7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, the sacrum and the coccyx.eatures of the Lumbar Vertebrae: L1-L5. Lumbar Vertebrae: L1 through L5 support the most weight. They have a sturdier construction (larger body and shorter porjections) The vertebral foramen is triangular shaped.