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Topic: Obturator nerve

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	IX. Neurology. 6d. The Lumbosacral Plexus. Gray, Henry. 1918. Anatomy of the Human Body.
		The anterior cutaneous branches comprise the intermediate and medial cutaneous nerves (Fig.
		net-work (subsartorial plexus) with branches of the saphenous and obturator nerves.
		The articular branch to the hip-joint is derived from the nerve to the Rectus femoris.
	www.bartleby.com /107/212.html (2858 words)

	eMedicine - Nerve Entrapment Syndromes of the Lower Extremity : Article by Minoo Hadjari Hollis, MD (Site not responding. Last check: 2007-09-08)
		The saphenous nerve is the longest, and the terminal, branch of the femoral nerve.
		The posterior tibial nerve (L4-S3) is a branch of the sciatic nerve.
		The tibial nerve lies between the posterior tibial muscle and the FDL muscle in the upper leg, and in the lower leg, it is between the FDL and the flexor hallucis longus.
	emedicine.com /orthoped/topic422.htm (16102 words)

	The lower limb
		are innervated by the tibial division of the sciatic nerve
		lumbrical 1 is innervated by the medial plantar nerve; lumbricals 2, 3 and 4 are innervated by the lateral plantar nerve.
		Femoral nerve (by the branch to rectus femoris)
	www.indstate.edu /thcme/duong/lower.html (6340 words)

	Palaeos Vertebrates: Glossary O
		Obturator nerve: The obturator nerve supplies the adductors of the thigh and contributes to the nerve supply to the skin of the medial side of the thigh.
		The obturator nerve follows the medial surface iliac shaft, before leaving the muscle dorsomedially, crossing over the ventrally lying common iliac vein into the obturator foramen.
		Obturator process: a blade-like process extending from the ventral shaft of the ischium.
	www.palaeos.com /Vertebrates/Lists/Glossary/GlossaryO.html (1682 words)

	The Physician and Sportsmedicine: Obturator Neuropathy
		The obturator nerve arises from the posterior division of nerve roots L2 to L4 and runs over the pelvic rim into the lesser pelvis (figure 1).
		The posterior branch innervates the obturator externus and portions of the adductor magnus and pectineus muscles.
		The mechanism of obturator nerve entrapment is unclear.
	www.physsportsmed.com /issues/1999/05_99/brukner.htm (1384 words)

	[No title] (Site not responding. Last check: 2007-09-08)
		The terminal branch of the medial cord is the ________ nerve.
		quadratus femoris tensor fasciae latae gluteus maximus gracilis The obturator and femoral nerves branch from this plexus.
		obturator nerve common peroneal nerve femoral nerve tibial nerve The tailor's muscle is the ________.
	www.uic.edu /ahp/knad/k251lct3.doc (834 words)

	Dissector Answers - Hip & Posterior Thigh
		pelvic splanchnic nerves: from the anterior branches of
		Predict the functional loss and cutaneous areas affected by a given nerve injury to the hip or posterior thigh region; or conversely, given a functional and/or cutaneous loss, be able to predict which nerve or nerves are involved and the probable level of the injury.
		nerves to the obturator internus** and quadratus femoris mm.
	anatomy.med.umich.edu /limbs/gluteal_ans.html (1631 words)

	GROSS ANATOMY FINAL EXAM '97
		all of the extensors of the thigh are innervated by nerves derived from the sacral plexus.
		all the adductors of the thigh are innervated by nerves derived from the posterior divisions of the lumbar plexus.
		the main flexors of the thigh are innervated by nerves from the lumbar plexus.
	medschool.slu.edu /ms2001/Af97.html (3405 words)

	New York School Of Regional Anesthesia - Genitofemoral Block
		The femoral branch of the genitofemoral nerve is blocked by inserting the 25G/5-cm needle at the lateral border of the femoral artery at the inguinal crease.
		During endoscopic prostate and bladder procedures, because of the proximity of the obturator nerve to the bladder wall and urethra, the nerve is frequently directly stimulated by the electro-surgical unit during.
		The obturator nerve block may be successfully used in diagnosing the causes of pain in the hip region.
	nysora.com /techniques/basic/genitofemoral/genitofemoral.htm (1237 words)

	Pelvic Wall & Floor - Dissector Answers
		The obturator internus muscle takes origin from the whole bony rim of the obturator foramen, the inner surface of the obturator membrane, and a large area of the inner surface of the ischium.
		The inferior hypogastric plexus is a major meshwork of nerves that are located on either side of the rectum, cervix, and lateral vagina in the female, or on either side of the rectum, prostate, and seminal vessicles in the male.
		Sacral splanchnic nerves are slender fibers leaving the anterior surface of the sacral sympathetic trunk ganglia to enter the inferior hypogastric plexus on the sides of the rectum.
	anatomy.med.umich.edu /pelvis/pelvicwall_ans.html (2520 words)

	UpToDate Overview of lower extremity peripheral nerve syndromes
		The largest nerve that emerges from the lumbar plexus is the femoral nerve, which descends beneath the inguinal ligament before dividing into a number of smaller branches innervating the anterior thigh musculature and skin (show figure 1).
		The obturator nerve also emerges from the lumbar plexus, descending more medially than the femoral, exiting the pelvis through the obturator foramen where it innervates the thigh adductors and a small cutaneous area in the medial thigh.
		This nerve passes through the sciatic foramen and descends the posterior aspect of the leg until it reaches the popliteal fossa, where it divides into the posterior tibial and common peroneal nerves.
	patients.uptodate.com /topic.asp?file=neuropat/5898 (589 words)

	[No title]
		Ilioinguinal: The ilioinguinal nerve is derived the L1.
		Femoral: The femoral nerve is derived from posterior division of ventral rami of L2,3, & 4.
		Know the position of the openings through which the nerves of the lumbosacral plexus, and their accompanying vessels, leave or enter the pelvis.
	www.med.unc.edu /~kimplera/classes/anatomy/p4.doc (949 words)

	[No title] (Site not responding. Last check: 2007-09-08)
		The obturator nerves aries from the posterior divition of nerve roots L2 to L4 and runs over the pelvix rim into the lessor pelvis.
		The mechanisms of oburator nerve entrapment is unclear.
		But, the entrapment does not appear to occur within the fibrosseous obturator tunnel but rather at the level of the obturator foraman and proximal thigh where the fascia stops the anterior branch of the nerve as it passes over the adductor brevis muscle.
	whs.wsd.wednet.edu /Faculty/Blair/sportsmed/LaFreniere2 (315 words)

	The Journal of Bone and Joint Surgery
		The possibility that the obturator nerve has been damaged should be considered when a patient has pain as well as anesthesia or hypoesthesia in the medial aspect of the thigh, weakness of the adductors, and a gait disturbance.
		Anatomical studies have demonstrated that, in addition to the risk of serious hemorrhage due to lesions of the external iliac vein, tributaries of the internal iliac vein, and the obturator vessels, there also is the risk of an injury of the obturator nerve when screws in the anterior and central regions of the acetabulum
		Obturator nerve palsy due to fixation of an acetabular reinforcement ring with transacetabular screws.
	www.jbjs.org /Image_Quiz/2002/may02/may02quiz2.shtml (246 words)

	Anterior and Medial Thigh
		anterior and posterior divisions of the obturator nerve lie on the anterior and posterior surfaces of adductor brevis
		branches of the ventral primary rami of spinal nerves L2-L4; branches of the femoral nerve
		femoral nerve and possibly the anterior division of the obturator nerve
	anatomy.uams.edu /anatomyhtml/antmedthigh.html (3472 words)

	MUSCLES OF THE LOWER EXTREMITY - Online Information article about MUSCLES OF THE LOWER EXTREMITY
		The deep set is formed by three muscles which rise from the posterior surfaces of the tibia and fibula, the flexor longus digitorum, the tibialis posticus, and the flexor longus hallucis from within outward.
		The nerve supply indicates that the lowest myotomes taking part in the formation of the abdominal walls are those supplied by the first and second lumbar nerves, and are represented by the cremaster muscle in the scrotum.
		From the third branchiomere, the nerve of which is the ninth or glossopharyngeal, the stylo-pharyngeus and upper part of the pharyngeal constrictors are formed, while the fourth and fifth gill arches give rise to the muscles of the larynx and the lower part of the constrictors supplied by the vagus or tenth nerve.
	encyclopedia.jrank.org /MOS_NAN/MUSCLES_OF_THE_LOWER_EXTREMITY.html (3709 words)

	Leg Monoparesis, Hemiparesis, Paraparesis, and Bilateral Arm Weakness
		A neonate with a lateral fascicular sciatic nerve lesion shows evidence of denervation of the short head of the biceps femoralis, whereas a neonate with a common peroneal nerve lesion does not.
		Common peroneal nerve lesions spare all the muscles of the thigh, including the short head of the biceps, and the muscles innervated by the tibial nerve.
		Obturator nerve (Figure 236.2 [ON]) lesions produce inability to adduct the thigh.
	pediatricneuro.com /alfonso/pg236.htm (426 words)

	Dissector Answers - Hip & Posterior Thigh & Leg
		It also serves as a large collateral vessel, for near the ankle it is connected by a horizontal communicating branch with the posterior tibial artery and by a perforating ramus with the anterior tibial artery.
		Identify the nerves of the posterior compartment of the leg, the muscles and cutaneous regions supplied by them, so that given a functional and/or cutaneous loss one can predict the nerve and the probable level of injury.
		sural nerve: the union of medial sural nerve and a communicating branch of the lateral sural nerve.
	www.med.umich.edu /lrc/coursepages/m1/anatomy/html/musculoskeletal_system/gluteal_ans.html (3489 words)

	Gross Anatomy: FUNCTIONAL ANATOMY OF THE HIP JOINT
		A multiaxial ball and socket synovial joint between the head of the femur and the acetabulum of the coxal (pelvic) bone.
		Be able to determine which muscles are acting on the hip at the different stages of the gait cycle and if they are acting in a concentric or eccentric manner.
		Be able to distinguish between the effects of peripheral nerve lesions on the functioning of the hip from lesions to the roots of the lumbosacral plexus.
	www.upstate.edu /cdb/grossanat/limbs7.shtml (1585 words)

	Jeopardy
		Nerve blocks in which the transverse process is used as a guide for needle placement:
		Saphenous Nerve is the terminal branch of the Femoral Nerve.
		Deep peroneal nerve - posterolateral to the pulsations of the anterior tibial artery, between and deep to the tibialis anterior tendon and extensor hallucis longus.
	www.unc.edu /~rvp/Jeopardy/LE_Blocks/JeopDta2.html (1780 words)

	Gluteal Region
		Action of the obturator externus muscle - The action of the obturator externus muscle is lateral rotation of the thigh.
		the internal surface of the obturator membrane and margin of the obturator foramen
		the acetabular branch of the obturator artery enters the hip joint by passing beneath the transverse acetabular ligament; the artery of the ligament of the head of the femur is a branch of the acetabular a.
	anatomy.uams.edu /anatomyhtml/glutealregion.html (3066 words)

	The posterior lumbar plexus (psoas compartment) block and the three-in-one femoral nerve block provide similar ...
		The posterior lumbar plexus (psoas compartment) block and the three-in-one femoral nerve block provide similar postoperative analgesia after total knee replacement: [Le bloc du plexus lombaire par voie posterieure (loge du psoas) et le bloc du nerf femoral trois-en-un produisent une analgesie similaire apres une arthroscopie totale du genou] -- Kaloul et al.
		Sensory blockade of the obturator nerve was assessed at the
		The effect of single-injection femoral nerve block on rehabilitation and length of hospital stay after total knee replacement.
	www.cja-jca.org /cgi/content/full/51/1/45 (3525 words)

	nerve (Site not responding. Last check: 2007-09-08)
		arises from ventral barnches of the ventral rami of L2, L3 and L4 nerves.
		It descends through the psoas major muscle., leaving its medial border at the brim of that, yes that bony pelvis.
		The obturator nerve leaves the pelvis through the somewhat sacred obturator foramen and enters the thigh.
	www.geocities.com /sbonny/nerve.html (105 words)

	Medial Thigh (Site not responding. Last check: 2007-09-08)
		The medial compartment of the thigh is frequently called the adductor compartment because the major action of this group of muscles is adduction, except for the hamstring portion of the adductor magnus which performs as a hamstring and is supplied by a different nerve than the obturator, which supplies the muscles of the medial compartment.
		Note that the obturator nerve exits the pelvis by passing through a small canal in the upper part of the obturator foramen.
		This part is called the hamstring portion of this muscle and is thus, supplied by the tibial part of the sciatic nerve and functions along with the hamstrings in the posterior compartment of the thigh.
	mywebpages.comcast.net /wnor/medialthigh.htm (268 words)

	Thigh (Site not responding. Last check: 2007-09-08)
		These compartments are the femur as an axis, and are separated by tough connective tissue membranes (or septa).
		Thesemuscles are supplied by the femoralnerve and the femoral artery.
		The obturator nerve supplies the hip adductors in this compartment.
	www.therfcc.org /thigh-6859.html (170 words)

	Down Cow
		We have been lifting her up with the tractor for a few days, but most of the time she won't bring her front end up too.
		The fancy term for what the cow has is "obturator paralysis" even though it's the sciatic and not the obturator nerve involved.
		It is caused by pinching of the nerve by the calf during calving.
	www.cattletoday.com /forum/about2830.html (412 words)

	Obturator Nerve - Wheeless' Textbook of Orthopaedics
		- largest nerve formed from anterior divisons of lumbar plexus ;
		- enters the upper part of the obturator foramen and then subsequently divides into
		- nerve then runs downward behind the adductor brevis and and in front of
	www.wheelessonline.com /ortho/obturator_nerve (182 words)

	Postoperative Analgesia After Total Knee Replacement: The Effect of an Obturator Nerve Block Added to the Femoral ...
		Postoperative Analgesia After Total Knee Replacement: The Effect of an Obturator Nerve Block Added to the Femoral 3-in-1 Nerve Block -- Macalou et al.
		Postoperative Analgesia After Total Knee Replacement: The Effect of an Obturator Nerve Block Added to the Femoral 3-in-1 Nerve Block
		that the addition of an obturator nerve block to femoral 3-in-1
	www.anesthesia-analgesia.org /cgi/content/abstract/99/1/251 (435 words)

	PT Central - Muscles of the Leg
		Nerve: nerve to quadratus femoris, L4,5,S1 Posterior Thigh Musculature
		short head - common peroneal nerve, L5,S1 Adductor magnus, posterior fibers are sometimes considered part of this group.
		Nerve: medial plantar nerve, L5,S1 Flexor digitorum brevis
	www.ptcentral.com /muscles/musclelegs.html (881 words)

	Pelvis 1998 (Site not responding. Last check: 2007-09-08)
		internal pudendal: exits inf to piriformis and ant to inf gluteal in pudendal canal w/ nerve
		Contents: In: Internal pudendal vessels and pudendal nerve.
		-branches of pudendal nerve (dorsal nerve of penis/clitoris) and artery (arteries to bulb, crura; dorsal art.
	jmandel.bol.ucla.edu /msp1/m3.html (936 words)

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