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Swayback, also known clinically as lordosis, refers to abnormally bent postures in the backs of humans and of quadrupeds, especially horses. Extreme lordosis can cause physical damage to the spinal cord and associated ligaments and tendons which can lead to severe pain. In horses, moderate lordosis does not generally impact an animal's usefulness and does not necessarily cause lameness.




Humans


Swayback posture in humans is characterised by the posterior displacement of the rib cage in comparison to the pelvis. It looks like the person has a hyperextension of the lower back, however this is not necessarily the case. Most sway-back exhibits a posteriorly tilted pelvis; the lumbar region is usually flat (too flexed) and not hyperlordotic (too extended).




Horses



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. As in humans, it may be influenced by bearing young; it is sometimes seen in a broodmare that has had multiple foals. However, it is also common in older horses whose age leads to loss of muscle tone and stretched ligaments. It also occurs due to overuse or injury to the muscles and ligaments from excess work or loads, or from premature work placed upon an immature animal. Equines with too long a back are more prone to the condition than those with a short back, but as a longer back is also linked to smoother gaits, the trait is sometimes encouraged by selective breeding. It has been found to have a hereditary basis in the American Saddlebred breed, transmitted via a recessive gene. Research into the genetics underlying the condition has several values beyond just the Saddlebred breed as it may "serve as a model for investigating congenital skeletal deformities in horses and other species."




Small ruminants


In small ruminants (sheep, goats, deers), swayback is the common term for the enzootic ataxia, a disease in young animals due to copper deficiency in fetal and early postnatal development.




See also


Spinal posture
Scoliosis




References

Kata Kunci Pencarian:

• Swayback
• USS Salt Lake City (CA-25)
• Copper deficiency
• Lordosis
• Intervertebral disc
• Spinal column
• American Saddlebred
• 2003 Langerado Music Festival
• Wetumpka, Alabama
• Terry Sawchuk

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Swayback Posture: Causes, Treatment, Exercises, More - Healthline

14 Okt 2020 · Swayback posture is a particular type of poor posture that often leads to lower back pain. People who exhibit swayback posture have exaggerated curves in their spine, forward-tilting...

Lordosis (Swayback): Types, Causes & Symptoms - Cleveland Clinic

31 Jul 2022 · Lordosis develops if your spine curves too much and pushes your posture out of its usual alignment. You might see lordosis that affects your lumbar spine called swayback. Remember, lordosis is normal in the cervical and lumbar spine. In the cervical spine, a 30- to 40-degree curve is normal. In the lumbar spine, a 40- to 60-degree curve is typical.

Sway Back Posture - Physiopedia

Sway-back posture reduces contraction of the skeletal muscles, thereby applying stress to the skeletal system, which is a factor not related to contraction, and leads to an increase in stress applied to the lumbar area. [1]

Swayback Posture Risks and Treatment - Verywell Health

09 Jul 2024 · A swayback posture occurs when your lower back has an exaggerated inward curve and your hips are tilted excessively forward. This misalignment of the pelvis and lumbar spine can cause back, neck, and shoulder pain along with muscle cramps and leg numbness or tingling.

Sway Back Posture - Cause, Symptoms, Treatment, Exercise

13 Sep 2022 · Swayback posture is a particular type of poor posture that frequently leads to lower back pain. People who exhibit swayback posture have exaggerated curves in their spine curve, forward-tilting hips, and the appearance of leaning back when standing position.

Swayback Posture: Causes, Risks, and Treatment - Physio Ed

31 Jul 2024 · Swayback posture, a common postural dysfunction, results in an arch in the lower back and a protruding belly, often causing back pain, impaired balance, and self-esteem issues. This condition develops due to muscle imbalances, poor postural habits, aging, degenerative changes, or obesity.

Sway Back Posture: Characteristics and Causes | PostureGeek.com

Sway Back posture, sometimes written as swayback posture, comprises elements of several specific alignment issues.

Swayback (Lordosis) - Cedars-Sinai

When the spine curves too far inward, the condition is called lordosis or swayback. Lordosis can cause pain that sometimes affects the ability to move. It is usually found in the lower back.

Sway Back - Activ8 Posture

What is Sway Back Posture? Sway back posture, also known as lordosis or hyperlordosis, is characterized by an excessive inward curve of the lower back. Your spine’s neutral position should resemble a gently S-shaped curve, with natural curves in the neck and lower back.

What Causes Swayback Posture & What are Its Treatment, …

14 Jul 2023 · Swayback posture is a very common postural misalignment. People with type of posture often have lower back pain. See a doctor for a proper diagnosis and to improve the condition.