Lumbar Muscles Anatomy

This blog post article is an overview of the muscles of the lumbar spine of the trunk. Muscles of the lumbar spine.

Photo Of Back Muscles The Difference Between A Lower Back

The oblique muscles are attached to the sides of the spine and help rotate the spine and maintain proper posture.

Lumbar muscles anatomy. The flexor muscles are attached to the front of the spine and enable flexing bending forward lifting and arching the lower back. This superficial muscle begins as a thick tendon from the sacrum and travels. Another long muscle this one begins in the middle of the lumbar spine.

Injuries of the intrinsic back muscles often occur while using improper lifting technique. Important muscles of the lumbar spine include. You can protect the back muscles by bending from the hip and knee when you lift objects from the ground.

The lumbar and sacrum region make up the bone of the lower back anatomy. It consists of 5 lumbar vertebra that are numbered 1 through 5 from top to bottom ie. The lumbar spine makes up the the lower end of the spinal column.

The lumbar spine consists of 5 moveable vertebrae numbered l1 l5. The spinal cord is contained within the vertebrae of the spine running through the vertebral foramen and branching out to the peripheries through the intervertebral foramen. For more complete coverage of the structure and function of the low back and pelvis the muscular system manual the skeletal muscles of the human body 4th ed.

L1 l2 l3 l4 and l5. The muscles in all of the layers are innervated by the posterior rami of spinal nerves. The superficial back muscles are the muscles found just under the skin.

This muscle is located on the upper portion of the back anatomy underneath the trapezius. These muscles are able to move the upper limb as they originate at the vertebral column and insert onto either the clavicle scapula or humerus. Extensor flexor and oblique muscles and back pain.

Lower back muscle anatomy includes the multifidus. Within this group of back muscles you will find the latissimus dorsi the trapezius levator scapulae and the rhomboids. They originate from the vertebrae and insert into the scapulae.

The complex anatomy of the lumbar spine is a remarkable combination of these strong vertebrae multiple bony elements linked by joint capsules and flexible ligamentstendons large muscles and highly sensitive nerves. Muscles of the lumbar spine of the trunk. Here we will attempt to provide a brief overview of lumbar spinal anatomy.

The anatomy of the lumbar spine is quite complex. This long muscle travels nearly the entire length of the back. Lower back muscle anatomy and low back pain.

The rhomboid muscle is activated as you bring and squeeze your scapula or shoulder blades back and together.

The Intrinsic Back Muscles Attachments Actions

Muscles Advanced Anatomy 2nd Ed