Symptoms typically get worse with activity and go away with rest. ![]() People with spondylolysis may feel pain and stiffness in the center of the low back. Symptoms sometimes appear when an athlete quickly ramps up his or her training intensity, applies incorrect technique, or uses poor equipment. Football linemen and dancers are also prone to spondylolysis. Spondylolysis commonly occurs in young gymnasts who regularly practice back bends as part of their routines. Related Document: Method Wellness and Physical Therapy's Guide to Spondylolisthesis This slippage, which is closely related to spondylolysis, is called spondylolisthesis. As a result, the vertebra is free to slip forward over the one below. When this happens, the vertebra is no longer held firmly in place by the facet joints on the back of the ring. However, it is equally common for the defect to occur on both sides. The crack may affect only one side of the bony ring. This type of fracture occurs in the pars, the area of bony ring between the pedicle and lamina. But if the injuries happen faster than the body can keep up with needed repairs, a crack may form in the weakened bone. The vertebra initially responds to the abnormal strain by adding new bone cells around the injured area. It rarely happens in more than one vertebra at a time. However, a problem with the pars can occur in any lumbar vertebra. This vertebra connects the spine to the pelvis. The most common location for this to occur is in the lowest vertebra of the spine, which doctors call L5. The repeated strains can eventually lead to an overuse injury in the pars interarticularis. Spondylolysis is thought to be caused by repeated strains that damage the lower spine over time. Related Document: Method Wellness and Physical Therapy's Guide to Lumbar Spine Anatomy Causes The pars is thought to be the weakest part of the bony ring. There are two such meeting points on the back of each vertebra, one on the left and one on the right. Rather, it is a location in the continuous ring of bone that doctors call the pars interarticularis, or pars for short. The pedicles and laminae are two different areas of the bony ring. Its sections include two pedicles, which attach directly to the back of the vertebral body. The protective ring that surrounds the spinal cord is a continuous ring of bone. Just as the skull protects the brain, the bones of the spinal column protect the spinal cord. This tube, called the spinal canal, surrounds the spinal cord as it passes through the spine. When the vertebrae are stacked on top of each other, these bony rings create a hollow tube. A circle of bone attaches to the back of the vertebra. Spinal ColumnĮach vertebra is formed by a round block of bone, called a vertebral body. The section of spine in the lower back is called the lumbar spine. The spinal column gives the body its form. Vertebrae are stacked on top of one another to create the spinal column. The human spine is made up of 24 spinal bones, called vertebrae. Placing extra strain on this area of the spine during childhood increases the chance that a pars defect will occur. This is because their spines are still developing, and the pars is the weakest part of the vertebra. It mainly affects young athletes who participate in sports in which the spine is repeatedly bent backwards, such as gymnastics, football, and karate.Īlthough spondylolysis can affect people of any age, children and adolescents are most susceptible. ![]() This condition appears in six percent of children. The area affected is called the pars interarticularis, so doctors sometimes refer to this condition as a pars defect. In this condition, the bone that protects the spinal cord fractures as a result of excessive or repeated strain. Most commonly, this occurs in the low back. Spondylolysis happens when a crack forms in the bony ring on the back of the spinal column. Welcome to Method Wellness and Physical Therapy's patient resource about Lumbar Spondylolysis.
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