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A horse with significant swayback. Usually called "swayback", soft back, or low back, an excessive downward bend in the back is an undesirable conformation trait. Swayback is caused in part from a loss of muscle tone in both the back and abdominal muscles, plus a weakening and stretching of the ligaments.
Lordosis is historically defined as an abnormal inward curvature of the lumbar spine. [1] [2] However, the terms lordosis and lordotic are also used to refer to the normal inward curvature of the lumbar and cervical regions of the human spine. [3] [4] Similarly, kyphosis historically refers to abnormal convex curvature of the spine.
Lordosis is a reflex action that causes many non-primate female mammals to adopt a body position that is often crucial to reproductive behavior. The posture moves the pelvic tilt in an anterior direction, with the posterior pelvis rising up, the bottom angling backward and the front angling downward.
Hemivertebrae are wedge-shaped vertebrae and therefore can cause an angle in the spine (such as kyphosis, scoliosis, and lordosis). Among the congenital vertebral anomalies, hemivertebrae are the most likely to cause neurologic problems. [5] The most common location is the midthoracic vertebrae, especially the eighth (T8). [6]
Kristin Davis is looking back on her Melrose Place days.. In the latest PEOPLE cover story, the Sex and the City alum, 59, reflects on her storied career in television and gets candid about the ...
As treatment, McKenzie recommended exercises and postural instructions which restore or maintain the lumbar lordosis. Although exercises involving lumbar spine extension are emphasized in this treatment protocol, particularly in the early stages, lumbar flexion exercises are usually added at a later time in order that the patient has full range ...
In 1989, criteria for an SPS diagnosis were adopted that included episodic axial stiffness, progression of stiffness, lordosis, and triggered spasms. [40] The name of the disease was shifted from "stiff-man syndrome" to the gender-neutral "stiff-person syndrome" in 1991. [40] In 1963, diazepam was determined to help alleviate symptoms of SPS. [7]
Forward head posture (FHP) [1] is an excessively kyphotic (hunched) thoracic spine. It is clinically recognized as a form of repetitive strain injury. [citation needed] The posture can occur in dentists, [2] surgeons, [3] and hairdressers, [4] or people who spend time on electronic devices.