Now, on the posterior side, you find, as well, another line, letâs say, but this time called the intertrochanteric crest that is also between the neck of the femur and the shaft and runs, as well, from the greater trochanter all the way down to the lesser trochanter.
The upper back has the most structural support, with the ribs attached firmly to each level of the thoracic spine and very limited movement. The lower back (lumbar vertebrae) allows for flexibility and movement in back bending (extension) and forward bending (flexion).
They form the region of the spinal column inferior to the cervical vertebrae of the neck and superior to the lumbar vertebrae of the lower back.... Click to read more below. The thoracic vertebrae are a group of twelve small bones that form the vertebral spine in the upper trunk.Thoracic vertebrae are unique among the bones of the spine in that they are the only vertebrae that support ribs and have overlapping spinous processes.he thoracic vertebrae are a group of twelve small bones that form the vertebral spine in the upper trunk. Thoracic vertebrae are unique among the bones of the spine in that they are the only vertebrae that support ribs and have overlapping spinous processes.