Spine Muscle Anatomy at Anatomy

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Spine Muscle Anatomy. Left common iliac vein 12. Flexors, extensors, lateral flexors and rotators.

Muscles Anatomy & Physiology Health Fitness Training
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Thoracic motions include flexion, extension, rotation, and side bending of your spine. Between the vertebrae are small spaces known as intervertebral canals that allow spinal nerves to exit the spinal cord and connect to the various regions of the body. The spine is made up of three main sections:

Muscles Anatomy & Physiology Health Fitness Training

Upper fibers of one side lateral flex. The movements of the spine are flexion, extension, lateral flexion (sidebending) and rotation. Your back muscles extend from the bones of your neck (cervical vertebrae) to your lower back (lumbar spine) and then to the base of your lumbar spine (sacrum) and tailbone (coccyx). These muscles include the large paired muscles in the lower back, called erector spinae, which help hold up the spine, and gluteal muscles.