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Topic: Iliacus muscle

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ILIACUS MUSCLE: Muscle that originates at the iliac fossa and base of the sacrum, and inserts into the lesser trochanter of the femur.
INFRASPINATUS MUSCLE: Muscle responsible for the lateral rotation of the humerus.
INTERNAL OBLIQUE MUSCLE: Muscles which originates at the inguinal ligamen, iliac crest, and lumbar aponeurosis, and inserts into the lower three or four costal cartilages, the linea alba, and the conjoined tendon to the pubis.
rad.usuhs.mil /rad/radbrowser2/glossary/glossi.html   (914 words)

  IV. Myology. 8. The Muscles and Fasciæ of the Lower Extremity. a. The Muscles and Fasciæ of the Iliac ...
The Muscles and Fasciæ of the Iliac Region (Fig.
Muscles of the iliac and anterior femoral regions.
The portions investing the Iliacus (fascia iliaca; iliac fascia) is connected, laterally to the whole length of the inner lip of the iliac crest; and medially, to the linea terminalis of the lesser pelvis, where it is continuous with the periosteum.
www.bartleby.com /107/127.html   (1005 words)

 II. Osteology. 6c. The Bones of the Lower Extremity. 1. The Hip Bone. Gray, Henry. 1918. Anatomy of the Human Body.
Below the spine is a smaller notch, the lesser sciatic notch; it is smooth, coated in the recent state with cartilage, the surface of which presents two or three ridges corresponding to the subdivisions of the tendon of the Obturator internus, which winds over it.
It is converted into a foramen by the sacrotuberous and sacrospinous ligaments, and transmits the tendon of the Obturator internus, the nerve which supplies that muscle, and the internal pudendal vessels and nerve.
The ridges are continuous with similar ones on the inferior ramus of the pubis: to the outer is attached the deep layer of the superficial perineal fascia (fascia of Colles), and to the inner the inferior fascia of the urogenital diaphragm.
www.bartleby.com /107/57.html   (3348 words)

 NationMaster - Encyclopedia: Suprascapular nerve
The suprascapular nerve arises from the lateral aspect of the upper trunk of the brachial plexus, runs across the posterior triangle of the neck together with the suprascapular artery and the omohyoid muscle, dips under the trapezius, and then passes through the suprascapular notch at the superior border of the scapula.
This almost 90-degree kink of the nerve often is exaggerated by a thickened ridge in the iliacus fascia as it attaches to the posterior aspect of the inguinal ligament.
To avoid kinking the nerve at both ends of the transposition, a block of the intermuscular septum is removed in the proximal end, and the aponeurosis and muscles fibers of the flexor carpi ulnaris are split longitudinally between the 2 heads.
www.nationmaster.com /encyclopedia/Suprascapular-nerve   (296 words)

 PTontheNET.com Articles
The problem with understanding hip flexion in general and the psoas muscle in particular is that we use the term “hip flexor” as a generic term to apply to five muscles, four of which have distinctly different leverage positions from the other one.
There are five muscles that are capable of assisting in hip flexion: the tensor fascia latae (TFL), the rectus femoris (distinct in that it is both a member of the quadriceps group and a hip flexor), the iliacus, the sartorius and the psoas.
The psoas and iliacus are to the anterior hip as the glute is to the posterior hip.
www.ptonthenet.com /articleprint.aspx?ArticleID=2679&m=62245   (1583 words)

 The Lumbar Nerves
The lumbar plexus forms within the psoas muscle, and the nerves emerge either at the medial or lateral borders of the psoas, or through the muscle to emerge on its anterior surface.
Emerging from the medial border of the psoas muscle is the obturator nerve and the lumbosacral trunk.
The nerve lies on the quadratus lumborum muscle and the iliacus until it perforates the body wall near the anterior iliac crest.
www.med.mun.ca /anatomyts/nerve/lumbnerv.htm   (565 words)

The iliacus muscle (which covers the pelvic bone on the inside surface of the pelvis) and the psoas muscle (which embraces the side of the lumbar spine), both attach as if they were one muscle with a common tendon onto that protruberance at the base of the femoral neck.
The psoas tendon (1) is underneath the psoas muscle (2).
To get at these muscles, surgery to reduce ongoing hip destruction associated with overactive iliopsoas tension is commonly directed around the periphery of the lower abdomen on the inside bowl of the pelvis.
www.pediatric-orthopedics.com /Treatments/Hips/Psoas/psoas.html   (620 words)

 Common Dance Injuries - THE HIP
Diagnosed most often in younger dancers, iliacus tendinitis affects the iliacus muscle, at the lower portion of the iliopsoas muscle at the front of the hip.
The piriformis is a muscle that lies underneath the gluteus maximus muscle in the buttock.
The piriformis muscle and its tendon have an intimate relationship to the sciatic nerve--the largest nerve in the body--which supplies the lower extremities with motor and sensory function.
www.med.nyu.edu /hjd/harkness/patients/injuries/hip.html   (1328 words)

 Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of ...
Iliacus may be found divided into two parts, or with a partly separated superficial lamina arising from the fascia iliaca, or with a slip from the psoas crossing over the crural (femoral) nerve, and become continuous with it;
Iliacus minor or iliocapsularis (third head of iliacus), a small detached portion of iliacus, is frequently present.
It is usually separated from iliacus by arising either direclty from the margin, or from its outer surface.
www.anatomyatlases.org /AnatomicVariants/MuscularSystem/Text/I/06Iliopsoas.shtml   (725 words)

 Abdomen, Abdominal Wall, & Plexes
The rectus muscle extends from the xiphoid process of the sternum and 5,6,7th costal cartilages to the pubic symphysis and pubic crest.
The muscles of the posterior abdominal wall are the psoas, quadratus lumborum and the iliacus.
Iliacus muscle arises from the iliac fossa in the pelvis.
www.pitt.edu /~anat/Abdomen/Abdomen/Abd.htm   (3974 words)

 Untitled Document   (Site not responding. Last check: 2007-10-26)
An iliopsoas muscle strain actually involves two muscles in the thigh, the psoas and the iliacus.
The psoas muscle acts like a pilot, determining the speed and direction of the thigh's movement, but gives some responsibility to the iliacus muscle, which acts like a co-pilot.
An iliopsoas muscle strain occurs when muscle fibers or tendons in either the psoas or the iliacus get damaged or torn, which can affect the way all the thigh muscles function.
www.kirkchiro.com /symptoms/iliopsoasmusclestrain.htm   (393 words)

 Pyomyositis: Pyomyositis of the iliacus muscle in a child at The Medical Dictionary
We describe the occurrence of pyomyositis of the iliacus muscle in a ten-year-old girl which was diagnosed by MRI and blood culture.
Pyomyositis (tropical pyomyositis) is a primary bacterial infection of skeletal muscle which is not secondary to a contiguous infection of the skin, bone or soft tissue.1 It usually affects the muscles around the hip and thigh,2 and initially may be mistakenly diagnosed as septic arthritis of the hip.
The iliacus muscle is closely associated with the psoas muscle, the femoral and lateral femoral cutaneous nerves, 14 the hip and pelvic and intra-abdominal structures.
www.the-medical-dictionary.com /pyomyositis_article_5.htm   (1523 words)

 Body and Breath - Answers
Because the model is advised not to use the upper extremities to pull into the posture, the psoas and iliacus muscles are doing most of the work (isotonic, then isometric) in pulling forward and holding the position.
The completed posterior stretch features easing yet further into counternutation, relaxation of the psoas muscles, and for those who are able to focus their attention on pulling forward on the ilia, full tension in the iliacus muscles.
The psoas muscles and sacroiliac nutation are emphasized over the iliacus as one starts to come into the forward bend with a sharp lumbar lordosis, and as the bend is continued, the iliacus contributions become more obvious, nutation is eased, and the sacroiliac joint or joints come into a more neutral position.
www.bodyandbreath.com /answers082002.htm   (1017 words)

 Integrative Healing Institute - Psoas Release - San Antonio, Texas
The psoas muscle is involved in many of the acute and chronic problems of the body.
This powerful muscle runs down the lower mid spine beginning at the 12th thoracic vertebrae connecting to all the vertebral bodies, discs and transverse processes of all the lumbar vertebrae down across the pelvis to attach on the inside of the top of the leg at the lesser trochanter.
The lower portion of the psoas combines with fibers from the iliacus muscle, which sits inside the surface of the pelvis and sacrum, to become the Iliopsoas muscle as it curves over the pubic bone and inserts on the lesser trochanter.
www.naturalreflexes.com /pages/Psoas.html   (2052 words)

 Table V   (Site not responding. Last check: 2007-10-26)
Laying in the iliac fossa, the iliacus muscle which is linked, in the middle, to the psoas major which comes downwards along the lumbar column, can be observed.
Sideways to the iliacus muscle, separated from the latter by the interposition of the rectus femuris muscle (here resected), appear the anterior margins of the small and middle glutei heading to the greater trocanther of the femur.
Between the ischio cavernosus muscle and the corresponding bulbo-spongiosus stretches the transversus perinei superficialis.
pacs.unica.it /tav5eng.htm   (232 words)

 Touchpoint - Articles - Round about: The Psoas Muscle
The Greater Psoas is the primary flexor muscle of the hip joint.
From here the muscle runs deep in the pelvis and forward to the groin area, where it curves over the pubic bone and down to the insertion on the medial side of the Femur (the minor trochanter).
One of the reasons is the position of the muscle as it sits deep in the very core of the body in intimate relation to the lumbo-sacral nervous plexus and to abdominal and pelvic organs.
www.touchpoint.dk /UK_artikler_psoas.htm   (1051 words)

 The pelvis: A keystone for yoga   (Site not responding. Last check: 2007-10-26)
The psoas muscle, a large, massive muscle, bridges the trunk to the leg.
Proper positioning of the pelvis and releasing, toning and lengthening the psoas muscle is an integral part of stabilizing the pelvis.
Keeping the pelvis forward and stable may change the range of movement, but the stretch is deeper and you can isolate the stretch the psoas and iliacus muscle rather than pull on the pelvis.
www.yogachicago.com /sep99/lizkoch.shtml   (889 words)

 AAPM&R - EMG Case No. 81, cont
Muscles innervated by the superior gluteal nerve, tibial nerve, obturator nerve, and peroneal nerves are all normal making a lumbosacral plexopathy unlikely.
After exiting the spine, nerve fibers give branches to the psoas muscle, it passes through the muscle and exits at the lateral border of the lower third of the muscle.
It travels between the psoas muscle and the iliacus muscle, and provides innervation to the iliacus at this point.
www.aapmr.org /education/emgcases/emg8106e.htm   (899 words)

 The PowerBoard Company::::Live & Work in Your Power
The primary muscles of support in the trunk are the abdominal muscles (abs) and the iliopsoas.
It then travels through the pelvis and joins the iliacus muscle, which arises from the inside of the pelvic bone (ilium), drops out of the abdominal cavity and attaches to the inside of the femur.
When the abdominal muscles are engaged, (especially the lower abdominals) they hold the pelvis in neutral, decreasing the "swayback" posture and allow the trunk to work in alignment.
www.thepowerboard.com /body.htm   (1977 words)

 eMedicine - Iliopsoas Tendinitis : Article by Joseph P Garry
The psoas and iliacus muscles originate from the lumbar spine and pelvis, respectively, and are innervated by the upper lumbar nerve roots (ie, L1, L2, L3).
The iliopsoas muscle passes anterior to the pelvic brim and hip capsule in a groove between the anterior inferior iliac spine laterally and iliopectineal eminence medially.
Direct deep palpation to the area of the femoral triangle, which is bordered superiorly by the ilioinguinal ligament, medially by the adductor longus muscle, and laterally by the sartorius muscle, results in direct palpation of the iliopsoas musculotendinous junction.
www.emedicine.com /sports/topic52.htm   (4704 words)

 NAST - NAST Discussion Board :: Public Forum :: Iliacus muscle   (Site not responding. Last check: 2007-10-26)
The iliopsoas is the most powerful flexor of the hip, and is a broad thick muscle that attaches to the femur.
Iliacus' origin is at the Iliac crest with Psoas origin at the lumbar spine.
You may want to check the QL stretch, as this muscle is involved in flexion of the lumbar spine and hip alignment.
www.nast.com.au /discussion/read.php?1,322   (286 words)

 Equine Massage : A Practical Guide Book Excerpts Vastu
The lateral vastus muscle allows extension of the stifle, which in turn causes the hock and fetlock joints to extend.
to the ground.This is a good stretch for the muscles involved in leg flexion: the iliacus muscle, the thigh muscles (vastus muscles), the gluteus muscles, the tensor fasciae latae, the long extensor muscles and the abdominal muscles.
The whole muscle might show tightness along its course, depending on the severity of the stress.
www.themebookstore.us /vastu/0876059981_Equine_Massage__searches_Vastu.shtml   (288 words)

 Injury to the lateral femoral cutaneous nerve during harvest of iliac bone graft, with reference to the size of the ...   (Site not responding. Last check: 2007-10-26)
In some cases, it crosses close to the iliacus muscle along the iliac crest and may be damaged by ligation, electrocautery or retraction through the iliacus muscle.
When a large piece of the iliac bone is removed, the incision may be long and the iliacus muscle widely retracted.
After subperiosteal stripping of the iliacus muscle it was retracted to expose the ilium.
www.looksmartrecreation.com /p/articles/mi_qa3767/is_200208/ai_n9138570   (964 words)

 The Running Process
The first muscle group that we will consider applying isometric training to are a group of seven muscles located on each side of the body (for a total of 14) known as the thigh or hip flexor muscles.
The acceleration portion of the swing phase is characterized by the flexing of the thigh upon the pelvis.
For this reason, the thigh flexor muscles are considered to be the primary muscle group involved in running.
www.athleticquickness.com /page.asp?page_id=18   (396 words)

 Article : Solitary Giant Neurilemoma in the Psoas Muscle ; Author : KV Rajagopal ; Co-Author(s) : BN Lakhkar ; Vol / ...   (Site not responding. Last check: 2007-10-26)
The case of a 38-year old male with a giant neurilemoma in the left psoas muscle is reported, which was not associated with von Recklinghausen's disease.
Ultrasound showed a large thick walled cystic lesion with internal echoes in the left psoas muscle extending from the origin to the level of iliacus muscle.
The encapsulated cystic mass in the psoas muscle on ultrasound and CT, especially in a patient with no constitutional symptoms or bleeding disorders, should raise the possibility of a Neurilemoma in the differential diagnosis.
www.ijri.org /articles/archives/2002-12-4/musculoskeletal_551.htm   (981 words)

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