Retrolisthesis can narrow the size of the spinal canal to allow spinal nerve irritation. The stress on the intervertebral disc as the backward movement of the vertebra occurs creates much stress on the disc which then causes back pain. (See the white arrow for retrolisthesis.) Examination.
Mitochondria provide cells their energy, and since muscle cells require more energy than skin cells, there is more mitochondria.itochondria is the part of cells that generate energy by turning nutrients and oxygen into fuel for the body. Muscle cells need this ability more because they are constantly â¦ working; fat cells do not need it as much.
What Organelle Must Be Present in Large Numbers in Muscle Cells? By Carolyn Robbins; Updated April 25, 2017 Just as power plants provide the energy necessary to light a city, organelles called mitochondria generate a molecule, adenosine triphosphate or ATP, which is the energy currency for the human body. Every cell in your body contains mitochondria, but some cells have a greater density of the organelle than others. Structure and Function The process of energy production that occurs in the mitochondria is called cellular respiration.