Asked by: Yuanyuan Darchiashvili
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What is Iliocostalis Lumborum?

Last Updated: 1st April, 2020

The iliocostalis lumborum is the muscle that attaches to the iliac crest and the back of the ribs. The nerve supply of the iliocostalis lumborum comes from the posterior rami of the spinal nerves. Its vascular supply is from the intercostal and lumbar arteries.

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Simply so, what is the Iliocostalis muscle?

Iliocostalis muscle, any of the deep muscles of the back that, as part of the erector spinae (sacrospinalis) muscle group, aid in extension (bending backward), lateral flexion (bending to the side), and rotation of the spinal column.

Also, what is Iliocostalis Thoracis? The iliocostalis dorsi (musculus accessorius; iliocostalis thoracis) arises by flattened tendons from the upper borders of the angles of the lower six ribs medial to the tendons of insertion of the iliocostalis lumborum; these become muscular, and are inserted into the upper borders of the angles of the upper six ribs

Keeping this in consideration, where is the Iliocostalis muscle located?

The iliocostalis muscle is located over the most lateral part of the ribs and is covered by the serratus dorsalis muscle.

How do you stretch your Iliocostalis?

2. Side stretch

  1. From a standing position, raise your arms overhead and interlace your fingers.
  2. Press into your feet and legs as you tilt to the right.
  3. Tuck in your chin and gaze down toward the floor.
  4. Hold this position for up to 30 seconds.
  5. Repeat on the left side.
  6. Repeat 2–4 times on each side.

Related Question Answers

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How do I strengthen my quadratus Lumborum?

Stabilize Your Spine: 11 Yoga Poses to Strengthen Your Quadratus Lumborum
  1. Chair Pose.
  2. Cow Tilt and Cat Stretch.
  3. Extended Hand-To-Big-Toe Pose.
  4. Eagle Pose.
  5. Bridge Pose with an Optional Block.
  6. Downward Facing Dog Pose.
  7. Headstand.
  8. Side Plank.

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How do you treat quadratus Lumborum pain?

You can treat quadratus lumborum in several ways. Applying heat and ice can help to reduce pain and inflammation. Your doctor may also recommend you take some type of painkiller or muscle relaxant. Trigger point injections are another option.

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What is Spinalis?

The spinalis is a portion of the erector spinae, a bundle of muscles and tendons, located nearest to the spine. It is divided into three parts: Spinalis dorsi, spinalis cervicis, and spinalis capitis.

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What does the longissimus muscle do?

Function. Since the longissimus muscle runs up the nearly entire length of the spinal column, it functions to move both the back and the neck. These movements include: Neck extension: bending the neck backwards, such as when you look directly above your head.

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What movement does the erector spinae perform?

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.

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Where does the quadratus Lumborum attach?

The quadratus lumborum is a thick, square-shaped muscle located at the very back of the abdominal wall. Specifically, this muscle originates from the iliac crest and then travels up the lower back and inserts on the 12th rib on both sides of the rib cage as well as the first four lumbar vertebrae (L1-L4).

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What are the Splenius muscles?

The splenius muscle of the head and the splenius muscle of the neck work together so that the neck and the head can extend (tilt backward) and rotate. The splenius muscle of the head, also known as the splenius capitis, is a broad muscle located at the back of the neck. It is attached to the base of the skull.

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Which abdominal muscle plays a major role in forced exhalation?

Forced exhalation employs the internal intercostals and the abdominal muscles. The internal intercostals are positioned at such an angle to pull the ribs downward when they contract, thereby reducing the volume of the thoracic cavity.

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Where is the Longissimus muscle located?

The longissimus muscle is the longest subdivision of the sacrospinalis muscle. It is located laterally to the semispinalis, and extends forward into the back side of the cervical vertebrae. The longissimus thoracis is the longest continuation of the sacrospinalis and lies intermediate to it.

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What are the Transversospinalis muscles?

The transversospinalis group is the deep layer of the intrinsic back muscles. These muscles lie between the transverse and spinous processes and are grouped by length of the fascicles, as well as region covered. The groups are rotatores, multifidus, and semispinalis.

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Where is the Semispinalis Thoracis?

Semispinalis thoracis muscle. Semispinalis are a group of back muscles that together with the rotatores and multifidus comprise the spinotransverse group of deep back muscles. Semispinalis group is found lying on either side of the vertebral column spanning from the skull as far as to the vertebra T10.

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What is the multifidus muscle?

The multifidus is a very thin muscle. Deep in the spine, it spans three joint segments, and works to stabilise the joints at each segmental level. The stiffness and stability makes each vertebra work more effectively, and reduces the degeneration of the joint structures.

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What are the erector spinae muscles?

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.

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What is thoracolumbar fascia?

The thoracolumbar fascia (lumbodorsal fascia or thoracodorsal fascia) is a deep investing membrane throughout most of the posterior thorax and abdomen although it is a thin fibrous lamina in the thoracic region. Above, it is continuous with a similar investing layer on the back of the neck—the nuchal fascia.

Ale Dirscherl


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How do you relax paraspinal muscles?

Stretches paraspinal muscles (muscles immediately surrounding spine)
  1. Lie flat on your back.
  2. Bend one leg and cross it over to the opposite side of body.
  3. Twist hips and lower back while keeping shoulders as flat as possible.
  4. Twist until you feel stretch in lower back, then hold for 45 seconds.
  5. Repeat on each side.

Dasha Geerk


How do you fix a tight erector spinae?

Take the leg of the side you want to stretch, and cross it over the other leg. Then twist your body toward that side, and place your opposite elbow on the outside of that knee for the stretch. You can push on your elbow to get a better stretch. Hold this for 30 seconds and do it three times.

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How do you stretch your hip flexors?

Lunging Hip Flexor Stretch
  1. Kneel on your left knee. Place your right foot flat on the floor in front of you, knee bent.
  2. Lean forward, stretching your left hip toward the floor.
  3. Squeeze your butt; this will allow you to stretch your hip flexor even more.
  4. Hold for 30 seconds to 2 minutes.
  5. Switch sides and repeat.