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. The lumbar and sacrum region make up the bone of the lower back anatomy.

Muscles Of The Lumbar Spine Of The Trunk

Lower back muscle anatomy and low back pain.

Lumbar muscles anatomy. 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. It consists of 5 lumbar vertebra that are numbered 1 through 5 from top to bottom ie. The rhomboid muscle is activated as you bring and squeeze your scapula or shoulder blades back and together.

Extensor flexor and oblique muscles and back pain. This muscle is located on the upper portion of the back anatomy underneath the trapezius. The oblique muscles are attached to the sides of the spine and help rotate the spine and maintain proper posture.

They originate from the vertebrae and insert into the scapulae. This blog post article is an overview of the muscles of the lumbar spine of the trunk. This long muscle travels nearly the entire length of the back.

Lower back muscle anatomy includes the multifidus. Injuries of the intrinsic back muscles often occur while using improper lifting technique. Another long muscle this one begins in the middle of the lumbar spine.

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. L1 l2 l3 l4 and l5. The superficial back muscles are the muscles found just under the skin.

Muscles of the lumbar spine. This superficial muscle begins as a thick tendon from the sacrum and travels. The anatomy of the lumbar spine is quite complex.

You can protect the back muscles by bending from the hip and knee when you lift objects from the ground. The lumbar spine consists of 5 moveable vertebrae numbered l1 l5. Within this group of back muscles you will find the latissimus dorsi the trapezius levator scapulae and the rhomboids.

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. Important muscles of the lumbar spine include. Muscles of the lumbar spine of the trunk.

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. The muscles in all of the layers are innervated by the posterior rami of spinal nerves. Here we will attempt to provide a brief overview of lumbar spinal anatomy.

The lumbar spine makes up the the lower end of the spinal column.

Multifidus