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Bone malrotation refers to the situation that results when a bone heals out of rotational alignment from another bone, or part of bone. It often occurs as the result of a surgical complication after a fracture where intramedullary nailing (IMN) occurs, [1] especially in the femur and tibial bones, but can also occur genetically at birth.
V. Strang, D.C., describes several hypotheses on how a misaligned vertebra may cause interference to the nervous system in his book, Essential Principles of Chiropractic: [24] Nerve compression hypothesis: suggests that when the vertebrae are out of alignment, the nerve roots and/or spinal cord can become pinched or irritated.
Then, the chiropractor adjusts the spine with a quick and precise thrust. This is done to improve mobility in the vertebral joints. Lumbar Roll (a.k.a. side posture)—The chiropractor positions the patient on their side, then applies a quick and precise manipulative thrust to the misaligned vertebra, returning it to its proper position.
"Static" means the bone stays in the same slipped position, whether bending forward or backward. "Dynamic" means the bone moves more when changing positions. Instability, or a lot of movement in the spine, is considered significant if there's more than 4mm of movement (translation) or more than a 10° change in the angle of the spine when ...
Retrolisthesis can be classified as a form of spondylolisthesis, since spondylolisthesis is often defined in the literature as displacement in any direction. [1] [2] Yet, medical dictionaries usually define spondylolisthesis specifically as the forward or anterior displacement of a vertebra over the vertebra inferior to it (or the sacrum).
There are many recognized spinal diseases, some more common than others. Spinal disease also includes cervical spine diseases, which are diseases in the vertebrae of the neck. A lot of flexibility exists within the cervical spine and because of that, it is common for an individual to damage that area, especially over a long period of time.
Spinal posture is the position of the spine in the human body. It is debated what the optimal spinal posture is, [ 1 ] and whether poor spinal posture causes lower back pain . [ 2 ] Good spinal posture may help develop balance, strength and flexibility .
Lumbarization is an anomaly in the spine. It is defined by the nonfusion of the first and second segments of the sacrum. The lumbar spine subsequently appears to have six vertebrae or segments, not five. This sixth lumbar vertebra is known as a transitional vertebra. Conversely the sacrum appears to have only four segments instead of its ...