Term
what provides cutaneous innervation to the upper medial quadrent of the gluteal region |
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Definition
dorsal rami L1-3 and S1-3 |
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Term
what provides cutaneous innervation to the upper lateral quadrent of the gluteal region |
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Definition
branches of subcostal and iliohypogastric nerves (VR T12 and L1) |
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Term
what provides cutaneous innervation to the lower lateral quadrent of the gluteal region |
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Definition
branches of lateral cutaneous nerve of the thigh (lumbar plexus VR L2-3) |
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Term
what provides cutaneous innervation to the lower medial quadrent of the gluteal region |
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Definition
posterior cutaneous nerve of the thigh (sacral plexus VR S1-3) |
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Term
what are the ligaments of the gluteal region |
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Definition
sacrotuberous, sacrospinous |
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Term
what are the shapes of the ligaments of the gluteal region |
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Definition
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Term
what does the sacrotuberous ligament attach to and from |
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Definition
PSIS, sacrum, coccyx to medial margin ischial tuberosity |
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Term
what does the scarospinous ligament run to an dfrom |
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Definition
llateral sacrum, coccyx to ischial spine |
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Term
where is the scarospinous ligament located in relation to the sacrotuberous |
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Definition
the sacrospinous is anterior |
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Term
what do the sacrospinous and sacrotuberous form |
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Definition
greater and lesser sciatic notches into foramina |
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Term
what does the greater sciatic formaina communicate between |
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Definition
main pelvic cavity and gluteal region |
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Term
what does the lesser sciatic foramen communicate between |
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Definition
gluteal region and perineum |
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Term
what are the muscles of the gluteal region |
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Definition
gluteus maximus, medius, minimus. priformis. obutrator internus. superior and inferior gemellus. quadratus femoris |
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Term
what is the origin of the gluteus maximus |
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Definition
outer gluteal surface of the ilium behind gluteal line, posterior sacrum and coccyx, sacrotuberous ligament |
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Term
what is the insertion of the gluteus maximus |
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Definition
iliotibial tract and gluteal tuberosity of femus |
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Term
what is the iliotibial tract made of, where |
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Definition
fascia lata along lateral aspect of thigh |
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Term
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Definition
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Term
what does the iliotibial tract extend to and from |
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Definition
tubercle of the iliac crest to lateral condyle of tibia |
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Term
what innervates the gluteus maximus |
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Definition
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Term
what is the inferior gluteal nerve a branch of |
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Definition
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Term
what is the action of the gluteus maximus |
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Definition
extension and lateral rotation of thigh at hip, extension of trunk when thigh is fixed, maintaining knee joint extension via iliotibial tract |
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Term
what shape is the gluteus medius and minimus |
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Definition
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Term
where is the gluteus medius in relation to other muscles |
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Definition
beneath maximus and above minimus |
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Term
what is the origin of the gluteus medius and minimus |
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Definition
outer gluteal surface of the ilium between anterior and posterior gluteal lines |
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Term
what is the insertion of the gluteus medius and minimus |
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Definition
lateral greater trochanter |
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Term
what innervates the gluteus medius and minimus |
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Definition
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Term
what is the superior gluteal nerve a branch of |
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Definition
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Term
what is the action of the gluteus medius and minimus |
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Definition
abduction and medial rotation of thigh at hip, steadies pelvis in walking |
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Term
whow does the gluteus medius and minimus steady the pelvis in walking |
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Definition
when foot is taken off ground and goes forward, the muscles steady pelvis on supporting limb |
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Term
what happens if the gluteus medius and minimus are paralized |
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Definition
when standing on the leg with the paralysis and with the other leg out pelvis will sink away from the standing leg |
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Term
what is the sinking of the pelvis indicating gluteus minimus or medius paralysis called |
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Definition
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Term
what is the origin of the piriformis |
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Definition
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Term
before the piriformis muscle inserts, describe its path |
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Definition
exits pelvis via greater sciatic foramen |
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Term
what is the insertion of the piriformis |
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Definition
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Term
what innervates the piriformis |
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Definition
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Term
where is the sacral plexus relative to the piriformis |
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Definition
the sacral plexus is anterior |
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Term
what is the action of the piriformis |
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Definition
lateral rotation of thigh at hip |
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Term
what is the origin of the obturator internus |
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Definition
internal pelvic surface of the obturator membrane and parts of the bonr around it |
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Term
before its insertion, describe the path of the obturator internus |
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Definition
tapers into a tendon, enters gluteal region via lesser sciatic formaen, joined by superior and inferior gemelli |
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Term
what is the insertion of the obturator internus |
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Definition
nerve to obturator internus |
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Term
what is the nerve to the obturator internus a branch of |
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Definition
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Term
what is the action of the obturator internus |
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Definition
lateral rotation of the thigh at hip |
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Term
what is the origin of the superior gemellus |
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Definition
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Term
what is the insertion of the superior gemellus |
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Definition
with tendon of the obturator internus and inferior gemellus into medial aspect of the greater trochanter |
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Term
what is the innervation of the superior gemellus |
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Definition
nerve to the obuturator internus |
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Term
what is the action of the superior gemellus |
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Definition
lateral rotation of thigh at hip |
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Term
what is the origin of the inferior gemellus |
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Definition
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Term
what is the insertion of the inferior gemellus |
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Definition
with tendon of the obturator internus and superior gemellus into medial aspect of the greater trochanter |
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Term
what is the innervation of the inferior gemellus |
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Definition
nerve to quadratus femoris |
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Term
what is the nerve to the quadratus femoris a branch of |
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Definition
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Term
what is the action of the inferior gemellus |
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Definition
lateral rotation of thigh at hip |
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Term
what is the origin of the quadratus femoris |
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Definition
lateral ischial tuberosity |
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Term
what is the insertion of the quadratus femoris |
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Definition
quadrate tubercle on intertrochanteric crest and inferior to it |
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Term
what innervates quadratus femoris |
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Definition
nerve to quadratus femoris |
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Term
what is the nerve to the quadratus femoris a branch od |
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Definition
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Term
what is the action of the quadratus femoris |
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Definition
lateral rotation of thigh at hip |
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Term
what is the largest nerve in the body |
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Definition
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Term
what is the sciatic nerve a branch of |
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Definition
sacral plexus (VR L4-5, S1-3) |
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Term
describe the path of the sciatic nerve |
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Definition
emerges from pelvis through greater sciatic foramen inferior to piriformis, on obturator internus super and infer gelemmi, and quadratus femoris covered by gluteus maximus, passes deep to head o biceps femoris to leave gluteal region and enters posterior compartment of the thigh |
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Term
what are the divisions of the sciatic nerve |
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Definition
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Term
what are the divisions of the sciatic nerve bound by |
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Definition
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Term
what branches does the sciatic nerve give in the gluteal region |
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Definition
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Term
what is the tibial divisions of the sciatic nerve composed of |
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Definition
anterior division of L4-S3 VR |
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Term
what is the common fibular division of the sciatic nerve composed of |
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Definition
posterior division L4-S2 VR |
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Term
what is the posterior cutanous nerve of the thigh a branch of |
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Definition
sacral plexus (anterior division S2-3 VR, posterior divisions S1-2 VR) |
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Term
how does the posterior cutanous nerve of the thigh leave the pelvis |
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Definition
leaves pelvis through greater sciatic foramen inferior to piriformis |
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Term
after the posterior cutanous nerve of the thigh leaves the pelvis decribe its path |
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Definition
descends under gluteus maximus posterior of medial to the sciatic nerve, continues of back of thigh superificial to hamsting muscles and deep fasca lata |
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Term
what does the posterior cutanous nerve of the thigh run with under the gluteus maximus |
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Definition
inferior gluteal nerve and vessels |
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Term
what are the branches of the posterior cutaneous nerve of the thigh |
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Definition
gluteal, perineal, cutaneous |
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Term
where are the gluteal branches of the posterior cutanous nerve of the thigh |
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Definition
curve around inferior border of gluteus maximus |
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Term
what do the gluteal branches of the posterior cutanous nerve of the thigh supply |
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Definition
skin over inferomedial quadrent of the gluteal region |
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Term
what does the perineal branch of the posterior cutaneous nerve of the thigh supply |
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Definition
skin of superomedial thigh and posterior scrotum or labium majus |
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Term
what does the cutaneous branch of the posterior cutanrous nerve of thigh supply |
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Definition
skin on back of thigh and upper leg |
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Term
what is the superior gluteal nerve a branch of |
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Definition
sacral pleus (posterior division L4-5, S1 VR) |
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Term
describe the path of the superior gluteal nerve |
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Definition
leaves pelvis through greater sciatic foramen, superior to the piriformis super superior gluteal vessels, funs forward between gluteus medius and minimus |
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Term
what are the branches of the superior gluteal nerve |
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Definition
muscular, articular branch to hip |
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Term
what do the muscular branches of the superior gluteal nerve supply |
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Definition
gluteus medius, minimus and tensor fasciae latae |
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Term
what is the inferior gluteal nerve a branch of |
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Definition
sacral plexus (posterior division L5, S1-2) |
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Term
describe the path of the inferior gluteal nerve |
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Definition
leaves pelvis through greater sciatic foramen, inferior to piriformis, with inferior gluteal vessels |
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Term
what does the inferior gluteal nerve supply |
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Definition
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Term
what is the pudendal nerve a branch od |
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Definition
sacral plexus (anterior division S2-4 VR) |
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Term
how does the pudendal nerve leave the pelvis |
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Definition
through greater sciatic foramen inferior to piriformis with internal pudendal vessels |
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Term
what does the pudendal nerve do after it leaves the pelvis |
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Definition
curves around posterior ischial spine, passes through lesser sciatic foramen to enter perineum |
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Term
what is the nerve to the obturator internus a branch of |
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Definition
sacral plexus (anterior division L5, S1-2 VR) |
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Term
how does the nerve to the obutrator internus leave the pelvis |
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Definition
greater sciatic foramen, inferior to piriformis |
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Term
what branches does the nerve to the obutrator internus nave |
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Definition
supergemellus, obturator internus |
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Term
what does the nerve to the obturator internus do after it leaves the pelvis |
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Definition
gives branch to superior gemellus then passes through lesser sciatic foramen and gives branch to obturator internus |
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Term
what is the nerve to the quadratus femoris a branch of |
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Definition
sacral plexus (anterior division L4-5, S1) |
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Term
how does the nerve to the quadratus femoris leave the pelvis |
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Definition
greater sciatic foramen inferior to piriformis |
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Term
what does the nerve to the quadratus femoris do after it leaves the pelvis |
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Definition
descends deep to the obturator internus and gemelli |
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Term
what does the nerve to the quadratus femoris supply |
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Definition
quadratus femoris, inferior gemellus, hip joint |
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Term
what are the arteries of the gluteal region |
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Definition
superior and inferior gluteal, internal pudendal, |
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Term
what are the superior and inferior gluteal arteries branches of |
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Definition
internal iliac artery in the pelvis |
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Term
what is the internal pudendal artery a branch of |
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Definition
internal iliac within pelvis |
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Term
what does the internal pudendal artery accompany |
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Definition
pudendal nerve in the gluteal region and peninrum |
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Term
what branches does the internal pudendal artery have in the gluteal region |
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Definition
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Term
what structures pass through the greater sciatic foramen |
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Definition
piriformis, sciatic nerve, posterior cutanous nerve of the thigh, super and inferior gluteal nerves, nerve to obturator internus, nerve to quadratus femoris, pudendal nerve, superior and inferior gluteal vessels, internal pudendal vessels |
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Term
what structures pass through the lesser sciatic foramen |
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Definition
obturator internus muscle, nerve to obturator internus, pudendal nerve, internal pudendal vessels |
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