What does the serratus posterior muscle do?

Asked By: Oleta Stanca | Last Updated: 27th May, 2020
Category: medical health bone and joint conditions
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Function. The serratus posterior muscles contribute to the movement and stabilization of the vertebral column and the thorax. The serratus posterior superior elevates the ribs and thus supports the inspiration (accessory muscle of inspiration).

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People also ask, what does the serratus posterior superior muscle do?

Inclining downward and lateralward it becomes muscular, and is inserted, by four fleshy digitations, into the upper borders of the second, third, fourth, and fifth ribs, a little beyond their angles. The function of serratus posterior superior is to elevate second to fifth ribs, which aids deep respiration.

Additionally, what causes serratus posterior pain? The serratus posterior inferior muscle connects the lower ribs to four vertebrae in the low back. It is one of the muscles that aches and is stiff when you have slept on a mattress that is too soft. The pain from this muscle can be mistaken for kidney pain. Abdominal muscles frequently refer pain to the back.

People also ask, what does the serratus posterior inferior do?

Function. The serratus posterior inferior draws the lower ribs backward and downward to assist in rotation and extension of the trunk. This movement of the ribs also contributes to forced expiration of air from the lungs.

How do you train the serratus posterior?

First, you can do a few simple exercises at home that can get your serratus anterior into gear.

  1. Do shoulder blade protractions. Lean against a wall and press the backs of your palms and your elbows against it.
  2. Scapular pushups. Do scapular pushups.
  3. Wall exercises for the serratus anterior.

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How do you strengthen the serratus posterior superior?

Never fear, Yoga Tune Up® has plenty of techniques to help you improve your breathing: Use Epaulet Arm Circles to warm up the upper back and shoulders. Raise The Chalice takes the shoulder blades into protraction and depression. Shoulder blade protraction actively lengthens the rhomboids and upper traps.

Is the erector spinae superficial or deep?

For the purposes of this chapter, the superficial erector spinae is the component that attaches to the thoracic spine and ribs (the thoracic erector spinae), whereas the deep erector spinae is that part attached to the transverse processes of the lumbar vertebrae (lumbar erector spinae).

How do you treat a pulled serratus posterior inferior muscle?

How is serratus anterior pain treated?
  1. Rest. Take it easy with your daily activities and try to rest the muscle as much as possible.
  2. Ice. Apply a towel-wrapped ice pack to the sore part of the muscle for 20 minutes at a time, several times a day.
  3. Compression.
  4. Elevation.

What are the intercostal muscles?

Intercostal muscles are several groups of muscles that run between the ribs, and help form and move the chest wall. The intercostal muscles are mainly involved in the mechanical aspect of breathing. These muscles help expand and shrink the size of the chest cavity to facilitate breathing.

Where is the serratus posterior located?


The serratus posterior inferior muscle is located in the mid to lower back and forms a V-shape. It originates from the spinal processes (the points of the vertebrae closest to the skin) of vertebrae T11 to T12 and L1 to L2. It travels upward from its origin and inserts into the lower borders of ribs 9-12.

What muscle attaches to both ribs and vertebrae?

Each internal intercostal muscle attaches superiorly to the floor of the costal groove and corresponding portion of the costal cartilage and runs obliquely inferior to its attachment on the superior surface of the adjacent rib below.

What nerve innervates the serratus posterior muscles?

The serratus posterior muscles are innervated from ventral rami nerves from the thoracic vertebrae.

Where do lats attach?

As the muscle fibers of the lats extend from the origin to the insertion point (the insertion for the lats is located on the inner aspect of your upper arm bone, just below the shoulder joint) they taper into a point.

What is serratus anterior?

The serratus anterior is a muscle that originates on the surface of the 1st to 8th ribs at the side of the chest and inserts along the entire anterior length of the medial border of the scapula. The serratus anterior acts to pull the scapula forward around the thorax.

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.

How many serratus muscles are there?

Serratus anterior. The serratus anteriora muscle that originates on the top surface of the eight or nine upper ribs. The serratus anterior muscle inserts exactly at the front border of the scapula, or shoulder blade. The muscle has three sections: the superior, intermediate or medial, and the inferior.

Which muscle inserts on the greater tubercle of the humerus?

Muscular attachment
The supraspinatus also originates on the spine of the scapula. It inserts on the greater tubercle of the humerus, and assists in abduction of the shoulder.

What is the insertion of the latissimus dorsi?

As the latissimus dorsi inserts into the floor of the intertubercular groove of the humerus it is surrounded by two major muscles. The teres major inserts medially on the medial lip of the intertubercular groove and the pectoralis major inserts laterally onto the lateral lip.

How do you massage the serratus anterior?

Place the elbow against the wall and lean toward the wall; allowing the elbow and scapula to move as far behind your back as possible. 3. Maintain the elbow position, and rotate the torso away from the wall while also leaning your torso to the opposite side to finish stretch. Play around with it.

How do you relax the erector spinae muscle?


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.

Why does my rhomboid muscle hurt?

You may develop rhomboid muscle pain as a result of: poor or incorrect posture. sitting for extended periods. injuries from straining, overstretching, or tearing the muscles.

How do you know if you have winged scapula?

That weakness can make lifting, pulling, and pushing heavy objects hard. Scapular winging often affects your ability to raise your arm above your shoulder.

What are the symptoms of scapular winging?
  1. pain or discomfort in your neck, shoulders, and back.
  2. fatigue.
  3. a drooping shoulder.