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Encyclopedia > Psoas minor muscle
Psoas minor muscle
Muscles of the iliac and anterior femoral regions. (Psoas minor visible near top right.)
Latin m. psoas minor
Gray's subject #127 467
Origin: Side of T12+L1 and IV Disc between
Insertion: Pectineal line and iliopectineal eminence
Artery:
Nerve: L1
Action: Weak trunk flexor
Antagonist: Gluteus maximus
MeSH Psoas+Muscles
Dorlands/Elsevier m_22/12550283

The psoas minor is a long, slender muscle that is placed (when present) in front of the psoas major muscle. It is absent in 40% of individuals.[1] Image File history File links Download high resolution version (354x1229, 176 KB) Summary Licensing File links The following pages link to this file: Sartorius muscle Wikipedia:Grays Anatomy images with missing articles 9 Psoas major muscle Vastus medialis Psoas minor muscle Vastus intermedius muscle Vastus lateralis muscle Rectus femoris... For other uses, see Latin (disambiguation). ... A typical adult human skeleton consists of the following 206 bones depending on age, though this number does vary owing to a variety of anatomical variations; for example, a small portion of the human population have an extra rib, or an extra lumbar vertebra. ... A typical adult human skeleton consists of the following 206 bones depending on age, though this number does vary owing to a variety of anatomical variations; for example, a small portion of the human population have an extra rib, or an extra lumbar vertebra. ... On the posterior surface of the femur, the intermediate ridge or pectineal line is continued to the base of the lesser trochanter and gives attachment to the Pectineus. ... Medial to the anterior inferior spine is a broad, shallow groove, over which the Iliacus and Psoas major pass. ... Section of an artery For other uses, see Artery (disambiguation). ... List of human nerves External links List of nerves This is an incomplete list, which may never be able to satisfy certain standards for completeness. ... Look up kinesiology in Wiktionary, the free dictionary. ... The movement of body structures is accomplished by the contraction of muscles. ... An antagonist is a kind of muscle that acts in opposition to the movement generated by the agonist and is responsible for returning a limb to its initial position. ... The gluteus maximus is the largest and most superficial of the three gluteal muscles. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo. ... For other uses of Muscles, see Muscles (disambiguation). ... This page is a candidate for speedy deletion. ...


It arises from the sides of the bodies of the twelfth thoracic and first lumbar vertebrae and from the intervertebral discs separating them. It ends in a long flat tendon which is inserted into the pectineal line and iliopectineal eminence, and, by its lateral border, into the iliac fascia. A typical thoracic vertebra The thoracic vertebrae (vertebrae thoracales) compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae. ... The lumbar vertebrae are the largest segments of the movable part of the vertebral column, and are characterized by the absence of the foramen transversarium within the transverse process, and by the absence of facets on the sides of the body. ... Intervertebral discs lie in between adjacent vertebrae in the spine. ... A tendon (or sinew) is a tough band of fibrous connective tissue that connects muscle to bone and is built to withstand tension. ... On the posterior surface of the femur, the intermediate ridge or pectineal line is continued to the base of the lesser trochanter and gives attachment to the Pectineus. ... Medial to the anterior inferior spine is a broad, shallow groove, over which the Iliacus and Psoas major pass. ... The iliac fascia has the following connections: laterally, to the whole length of the inner lip of the iliac crest. ...


References

  1. ^ Patrick W., Tank (2005). Grant's Dissector, 13th ed., Hagerstwon, MD: Lippincott Williams & Wilkins, 93. ISBN 0-7817-5484-4. 

Additional images

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. A garden sign welcomes residents and visitors to Rogers Park as home of Loyola University Chicago. ... GPnotebook is a British medical database for general practitioners (GPs. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body (or Grays Anatomy as it has more commonly become known) is an anatomy textbook widely regarded as a classic work on human anatomy. ...


  Results from FactBites:
 
Massage Therapy Massage Bodywork Massage Therapy Schools Massage Therapy Career (3512 words)
The psoas minor starts from the upper reaches of the psoas (meaning it has attachments to the 12th thoracic body) and runs down the front and inside of the psoas to attach onto the upper edge of the pubic bone.
The psoas minor, when present as a muscle, pulls the pubic bone closer to the 12th thoracic, and is thus involved in lumbar flexion and posterior pelvic tilt.
The psoas minor can be felt as a slick, tendinous strand on the anterior surface of the psoas, moving down onto the medial side of the psoas as you move lower on the muscle.
IV. Myology. 8. The Muscles and Fasciæ of the Lower Extremity. a. The Muscles and Fasciæ of the Iliac ... (1005 words)
The Muscles and Fasciæ of the Iliac Region.
The Muscles and Fasciæ of the Iliac Region (Fig.
Muscles of the iliac and anterior femoral regions.
  More results at FactBites »


 

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