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Trigger Point Therapy - External Oblique Muscles

Posted by Judith Winer on

 

External Oblique Muscles Trigger Point Therapy

 

Pain can refer down into the groin and sometimes to the testicles

Similarly to the other abdominal muscles, external oblique myofascial trigger points can refer pain anywhere locally throughout the abdominal region.

This pain is often exacerbated during the menstrual cycle. Pain can refer down into the groin and sometimes to the testicles.

Anatomy

The posterior fibers of the external oblique are usually overlapped by the latissimus dorsi, but in some cases there is a space between the two, known as the lumbar triangle, situated just above the iliac crest. The lumbar triangle is a weak point in the abdominal wall.

 

External Oblique Trigger Points

External Oblique Muscle - Common Trigger Point Sites

 

Origin

Lower eight ribs.

Insertion

Anterior half of iliac crest, and into an abdominal aponeurosis that terminates in the linea alba (a tendinous band extending downward from the sternum).

Action

Compresses abdomen, helping to support abdominal viscera against pull of gravity. Contraction of one side alone bends trunk laterally to that side and rotates it to opposite side.

Nerve

Ventral rami of thoracic nerves, T5–T12.

Basic Functional Movement

Example: digging with a shovel.

Trigger Point Referred Pain Patterns

Viscerosomatic.
Costal margin: abdominal pain to chest.
Lower lateral: testicular pain. Local pain.
Pubic rim: bladder pain. Frequency/ retention (urine). Groin.

Indications

Abdominal pain and tenderness, groin pain, testicular pain, bladder pain, nausea, colic, dysmenorrhea, diarrhea, viscerosomatic pain, irritable bowel syndrome, lower crossed pattern, bedwetting in children.

Common Causes

Direct trauma (commonly from overexertion during sports), poor sit-up technique, prolonged cross- legged sitting, coughing, emotional stress, may be related to back pain, post-surgical (abdominal).

Differential Diagnosis

Visceral pathology including: renal, hepatic, pancreatic, diverticular disease, colitis, appendicitis, hiatus hernia, peritoneal disease—pelvic inflammatory disease, ovarian, bladder.

Connections

Transversus abdominis, internal oblique, rectus abdominis, pyramidalis.

 

External Oblique Trigger Point Pain

External Oblique Trigger Points - Typical Referred Pain Pattern (Lower Fibers)

 

 

External Oblique Muscles Trigger Points

External Oblique Trigger Points - Typical Referred Pain Pattern (Lateral view, upper and lower fibers)

 

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This trigger point therapy blog is intended to be used for information purposes only and is not intended to be used for medical diagnosis or treatment or to substitute for a medical diagnosis and/or treatment rendered or prescribed by a physician or competent healthcare professional. This information is designed as educational material, but should not be taken as a recommendation for treatment of any particular person or patient. Always consult your physician if you think you need treatment or if you feel unwell. 

  

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