Asked by: Albeiro Sheikh
asked in category: General Last Updated: 20th April, 2020

What action does the erector spinae perform?

The main actions of the erector spinae muscles are to extend the back, laterally flex the back, and maintain correct posture and curvature of the spinal column.

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Subsequently, one may also ask, what does the erector spinae muscle do?

The erector spinae muscles lie on each side of the vertebral column and extend alongside the lumbar, thoracic, and cervical sections of the spine. The erector spinae muscles function to straighten the back and provide for side-to-side rotation. An injury or strain to these muscles may cause back spasms and pain.

Beside above, what is the primary concentric action of erector spinae longissimus? Function. The thoracic and lumbar components of erector spinae are powerful extensors of the vertebral column. Acting concentrically and bilaterally, they extend the trunk. Unilateral action of the muscle produces lateral flexion of the trunk.

Subsequently, one may also ask, what is the action of the erector spinae muscle quizlet?

Together - straighten the back, returning it to the upright position from a flexed position, and pull the head posteriorly. They also participate in controlling vertebral column flexion by contracting and relaxing in a coordinated fashion; Individually - bend the vertebral column laterally.

Why does my erector spinae hurt?

A common feature when it comes to the discussion of lower back pain is the Erector Spinae muscle. (Refer to factbox). When this group of muscle tenses constantly, it becomes tight and is unable to relax. This leads to the arched back posture that people suffering from low back pain can have.

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