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321:. When the diaphragm contracts, it pulls the lower wall of the chest cavity down, increasing the volume of the lungs which then fill with air. Conversely, when the internal obliques contract they compress the organs of the abdomen, pushing them up into the diaphragm which intrudes back into the chest cavity reducing the volume of the air-filled lungs, producing an exhalation.
29:
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of the opposite side to achieve this torsional movement of the trunk. For example, the right internal oblique and the left external oblique contract as the torso flexes and rotates to bring the left shoulder towards the right hip. For this reason, the internal obliques are referred to as "same-side
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266:. The muscle fibers run from these points superomedially (up and towards midline) to the muscle's insertions on the inferior borders of the 10th through 12th ribs and the
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at Human
Anatomy Online, SUNY Downstate Medical Center - "Incision and reflection of the internal abdominal oblique muscle."
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Diagram of a transverse section of the posterior abdominal wall, to show the disposition of the lumbodorsal fascia.
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Diagram of a transverse section through the anterior abdomina wall, below the linea semicircularis.
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Secondly, its contraction causes ipsilateral rotation and side-bending. It acts with the
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Internal abdominal oblique muscle.Anterior abdominal wall.Deep dissection.Anterior view
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Bilateral: Compresses abdomen
Unilateral: Ipsilateral trunk rotation
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The internal oblique performs two major functions. Firstly as an
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Femoral sheath laid open to show its three compartments.
262:(upper part of hip bone) and the lateral half of the
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436:Moore, Keith L; & Dalley Arthur R (2006).
285:The internal oblique is supplied by the lower
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309:, it acts as an antagonist (opponent) to the
440:(5th ed.). Lippincott Williams and Wilkins.
258:of the lower back, the anterior 2/3 of the
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277:is also attached to the internal oblique.
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313:, helping to reduce the volume of the
33:The abdominal internal oblique muscle.
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473:at the SUNY Downstate Medical Center
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250:Its fibers run perpendicular to the
155:musculus obliquus internus abdominis
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704:Crura of superficial inguinal ring
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998:
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216:abdominal internal oblique muscle
22:Abdominal internal oblique muscle
399:
387:
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307:accessory muscle of respiration
280:
1:
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358:Diagram of sheath of Rectus.
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16:Muscle in the abdominal wall
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438:Clinically Oriented Anatomy
411:
300:
240:transverse abdominal muscle
10:
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597:Abdominal internal oblique
548:Abdominal external oblique
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198:Anatomical terms of muscle
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694:Superficial inguinal ring
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465:Anatomy figure: 35:07-05
326:external oblique muscle
252:external oblique muscle
236:external oblique muscle
220:internal oblique muscle
86:pectineal line of pubis
935:Puboprostatic ligament
651:Interfoveolar ligament
587:Tendinous intersection
418:anatomical terminology
982:Spine lateral flexors
891:Rectoprostatic fascia
291:iliohypogastric nerve
45:Muscles of the trunk.
972:Muscles of the torso
930:Pubovesical ligament
553:Transverse abdominal
256:thoracolumbar fascia
234:that lies below the
115:Thoracoabdominal nn.
886:Rectovaginal fascia
622:Panniculus adiposus
254:, beginning in the
238:and just above the
802:Iliopectineal arch
759:Quadratus lumborum
726:Reflected ligament
716:Pectineal ligament
699:Intercrural fibers
689:Deep inguinal ring
471:Anatomy image:7526
425:Abdominal exercise
416:This article uses
295:ilioinguinal nerve
287:intercostal nerves
123:iliohypogastric n.
103:Subcostal arteries
70:lumbodorsal fascia
959:
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947:Anococcygeal body
913:Piriformis fascia
814:
813:
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740:
739:
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711:Inguinal ligament
679:Inguinal triangle
663:Linea semilunaris
646:Transverse fascia
510:and ligaments of
333:Additional images
289:, as well as the
264:inguinal ligament
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92:) and ribs 10-12.
62:Inguinal ligament
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903:Obturator fascia
825:
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721:Lacunar ligament
639:Fascia of Scarpa
634:Membranous layer
627:Fascia of Camper
617:Abdominal fascia
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570:Rectus abdominis
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275:cremaster muscle
228:abdominal muscle
224:interior oblique
204:edit on Wikidata
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940:Inferior fascia
925:Superior fascia
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558:Conjoint tendon
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127:ilioinguinal n.
90:conjoint tendon
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987:Spine rotators
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977:Spine flexors
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565:Rectus sheath
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850:Puborectalis
797:Iliac fascia
596:
580:Arcuate line
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315:chest cavity
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281:Nerve supply
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167:A04.5.01.017
154:
119:subcostal n.
835:Levator ani
774:Psoas minor
769:Psoas major
575:Pyramidalis
329:rotators."
260:iliac crest
144:Identifiers
66:iliac crest
966:Categories
658:Linea alba
431:References
319:exhalation
268:linea alba
117:(T7-T11),
82:Linea alba
882:Visceral
857:Coccygeus
764:Iliopsoas
745:Posterior
592:Cremaster
532:Anterior/
454:, unm.edu
452:Abdominal
311:diaphragm
246:Structure
125:(L1) and
77:Insertion
898:Parietal
672:Inguinal
412:See also
301:Function
293:and the
226:, is an
68:and the
779:Iliacus
534:lateral
512:abdomen
508:Muscles
317:during
230:in the
218:, also
135:Actions
121:(T12),
51:Details
871:Fascia
828:Muscle
820:Pelvis
790:Fascia
752:Muscle
606:Fascia
541:Muscle
516:pelvis
444:
98:Artery
57:Origin
920:Floor
202:[
191:13891
150:Latin
110:Nerve
88:(via
514:and
442:ISBN
214:The
179:2373
162:TA98
129:(L1)
222:or
186:FMA
174:TA2
968::
297:.
270:.
242:.
84:,
64:,
500:e
493:t
486:v
448:.
420:.
206:]
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
