How many muscle groups are in the back?

What are your major back muscles?

The muscles in the back are the trapezius, rhomboids, latissimus dorsi, erector spinae, multifidus, and quadratus lumborum.

What are the 3 major back muscles?

Where are your back muscles?

  • Latissimus dorsi (lats), the largest muscle in the upper part of your body. …
  • Levator scapulae, a smaller muscle that starts at the side of your neck and extends to the scapula (shoulder blade).
  • Rhomboids, two muscles that connect the scapula to the spine.

What are the parts of your back?

The spine itself has three main segments: the cervical spine, the thoracic spine, and the lumbar spine. The cervical is the upper part of the spine, made up of seven vertebrae (bones). The thoracic is the center portion of the spine, consisting of 12 vertebrae. The lower portion of the spine is called the lumbar spine.

What are the intermediate muscles of the back?

The intermediate muscles are the erector spinae. They include the longissimus, iliocostalis, and spinalis muscles. Their attachments subdivide these muscles, and they all have a common tendinous origin. They play a role in the movement of the thoracic cage and flexion of the upper vertebral column and head.

What are the upper back muscles called?

In the upper back region, the trapezius, rhomboid major, and levator scapulae muscles anchor the scapula and clavicle to the spines of several vertebrae and the occipital bone of the skull.

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What are the low back muscles called?

These muscles include the large paired muscles in the lower back, called erector spinae, which help hold up the spine, and gluteal muscles. The flexor muscles are attached to the front of the spine and enable flexing, bending forward, lifting, and arching the lower back.