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Iliac psoas

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The iliac psoas is a compound muscle that has various functions since it acts on many lower parts of the anatomy , such as the hip, pelvis, legs and lumbar area , in addition to this, it is a multidirectional muscle which makes it even more relevant.

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What is the iliac psoas?

The iliac psoas also recognized as iliopsoas is a muscle formed by the union of two muscles the psoas and the iliac, for this reason the composition of both names; the psoas muscle is located in the abdominal cavity , by the back of the internal organs and the back of the pubic bone, that is, the pubis is subdivided into psoas major and psoas minor , having its roots or originating from the last dorsal vertebra where all the lumbar are found On the other hand, the iliac muscle has a flat and triangular outline that originates from the internal surfaces of the sacrum and ilium., a tendon that is located close to the femur is what joins these muscles, the fibers of this go in a descending direction , since this tendon is inserted between the two muscles, it tends to join them calling it the iliopsoas or iliopsoas muscle , however , The iliac does not have the same influence and activity on the lumbar spine as the psoas muscle that it does cover most of it.

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  • What is the iliac psoas
  • Origin and insertion
  • Characteristics of the iliac psoas
  • Function
  • Location
  • Heating
  • Exercises to strengthen the iliac psoas
  • Iliopsoas stretches
  • Contracture
  • Tearing
  • Tendinitis
  • Bursitis
  • Iliac psoas care
  • Importance

What is the iliac psoas

In the pubic area is the iliac psoas muscle, which is the conformation of two individual muscles such as the psoas and the iliac , however, they are united thanks to a tendon inserting with each other, making it look like one, This compound muscle, so to speak, has a lot of influence on the lumbar vertebrae as it covers a large part of them.

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Origin and insertion

This muscle, as mentioned above , originates from two individual muscles which are the psoas and the iliac , these are inserted and united by a tendon of descending fibers that is located close to the femur, that is why it is said to be a shaped muscle or compound since it originates from the union of two muscles.

Characteristics of the iliac psoas

Some of the most relevant characteristics of this muscle are the following:

  • It is located in the abdominal cavity and covers the lumbar vertebrae.
  • It is made up of the union of two individual muscles , the iliac and the psoas.
  • The muscle is anatomically divided in two.
  • It is a multidirectional muscle, it has three directions.
  • It has various functions on the hip, trunk, pelvis, legs, and lumbar spine.
  • The muscles that compose it are joined or inserted by a tendon of descending fibers.
  • It is one of the most important muscles in the anatomy.

Function

The iliac psoas muscle has many functions, however, some of the most relevant will be highlighted here:

  • It acts on the hips and the fixed trunk.
  • It has a great influence and activity on the lumbar spine.
  • Produces flexion in the legs, adduction and rotation
  • It has activity on the pelvis and trunk.
  • Thanks to this muscle the trunk is flexed by the impulse that is given from the lumbar area.
  • It can produce an increase in lordosis , that is, lumbar curvature.
  • You can flex the trunk closer to the femur.

It is important to note that its functions depend on the position of the muscle, if it is unilateral or bilateral, it can change the action or function of the iliac psoas.

Location

It is located in the abdominal cavity , by the back of the internal organs and the back of the pubic bone , that is, the pubis is subdivided into psoas major and psoas minor, having its roots or originating from the last dorsal vertebra where they are all lumbar.

Heating

Since this muscle is located mostly in the pubic area and the lumbar spine, its warm-up is very simple , the simple action of jogging or running can help this muscle to warm up, in the same way some continuous stretching can do that this muscle remains in shape and in optimal functions.

Exercises to strengthen the iliac psoas

Some of the exercises for the iliac psoas are as follows:

Unilateral leg raise

Lying on the floor on your back raise one leg so that it does not touch the ground, you can support your buttocks on your hands to generate greater comfort, raise both legs to an angle of 90 degrees, then letting one of the legs fall without that touches the ground, this action is repeated 15 times for each leg.

Hanging leg raise

The subject must hang from a bar and must raise his legs to bring them almost to the elbow, raising both knees at the same time to bring them as close to the chest as possible, this must be repeated fifteen times, however, it must be taken Keep in mind that it has to be calm so as not to generate any injury.

Iliopsoas stretches

One of the most basic and simple stretches is that when standing, one leg is placed forward and the other back , with the straight feet facing forward, the leg that is forward is bent a little, taking in Note that the pelvis must not be rotated, it must be straight , making a pelvic retroversion , so that in this way the lumbar area is not affected by stretching, this can be done for ten or fifteen minutes , taking into account that Care must be taken not to flex or rotate the trunk abruptly, as this could have unpleasant repercussions.

Another of the stretches most handled by physiotherapists is lying down, a girdle is placed on one of the supports of the bed and one of the feet is tied to it in the area of ​​the ankles , in addition to this, the other leg must be taken and flex it towards the chest , while holding the subject should subtly lie down; always with a straight back and with a posture that does not deviate the lumbar area. The iliac psoas is also arched, so that one part does not stretch more than the other and forms some kind of repercussion that could be pain or another type of symptom.

Contracture

A contracture in this muscle occurs when it has been kept in tension for a long time , in addition to the fact that this state of rigidity may be due to various exercises and poorly performed practices that have had sequelae over time.

Tearing

Tears of this muscle occur like all the others, however they can have various more serious repercussions and with different consequences, such as immobility or numbness of the legs, including other lumbar consequences .

Tendinitis

Tendinitis in this muscle is caused because it is affected and influences various parts of the body , so any bad movement can inflame the muscle, thus causing severe pain in the lumbar, back, pelvis and hips, although it could have various repercussions but these are the ones that stand out the most when it comes to a pathology caused by this muscle.

Bursitis

Bursitis in the iliac psoas muscle proceeds after tendonitis when the inflammation becomes greater and begins to be extremely painful , and makes it impossible for the affected person to perform actions that previously seemed extremely simple.

Iliac psoas care

The care of this muscle is not many , most of these are based on the movements carried out with the trunk or the postures in which the subjects are placed, since these open up some type of inflammation and deviation in said muscle ; It should be taken into account that it is advisable to keep it balanced so as not to suffer from any type of subsequent pain thanks to the pressure that could be generated more on one side of the pelvis than on the other.

Importance

It is one of the most important muscles in the human body , since based on this there are many relevant functions for the quality of life of people, it helps mobility and is responsible for protecting some extremely delicate areas, such as the lumbar spine and pelvis.

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