Final anatomy study cards Flashcards
Puborectalis
inner pubic bone lat to pub. sym.
(around anorectal angle )
n2 Levator ani (S4 ventral ramus)
fecal continence
Pubococcygeus
inner pubic bone lat to puborect.
coccyx
n2 Levator ani (S4 ventral ramus)
resist intraabdom. pressure
Illiococcygeus
along ilium (broad)
coccyx
n2 Levator ani (S4 ventral ramus)
resist intraabdom. pressure
Coccygeus m
ischial spine
along coccyx
ventral rami S4, S5
Support pelv. viscera, resist pressure
superficial: Splenius Capitis \//
nuchal lig, s.p. C7-T4
mastoid proc, lat. 1/3 of sup. nuchal line
Segmental: dorsal rami C1-T4
EXT neck; ROT, SIDEBEND
Superficial: Splenius Cervicis
nuchal lig, s.p. C7-T4
post. tuberc. trnsv proc. C1-C3
Segmental: dorsal rami C1-T4
EXT neck; ROT, SIDEBEND
Intermediate:
Iliocostalis Cervicis
Thoracis
Lumborum
rib angles
trnsv. proc. cervical v
Segmental: dorsal rami
EXT vertebral column, posture
Intermediate:
Iliocostalis
Thoracis
ilium @ESA
rib angles
Segmental: dorsal rami
EXT vertebral column, posture
Intermediate:
Iliocostalis
Lumborum
(fused w/longiss)
trnsv. proc. lumbar v
Segmental: dorsal rami
EXT vertebral column, posture
Semispinalis (6-8 segments)
Capitis
trnsv. p.
occipital bone btwn inf&sup nuchal lines
dorsal rami
EXT, ROT spine
Semispinalis (6-8 segments)
Cervicis
trnsv. p.
s.p. cervical v
dorsal rami
EXT, ROT spine
Semispinalis (6-8 segments)
Thoracis
trnsv. p.
s.p. cervical v
dorsal rami
EXT, ROT spine
Multifidus (3-5 segments, C,T,L)
trnsv. p. below
s.p. above
dorsal rami
STABILIZE, ROT, SIDEBEND, EXT
Rotatores B&L (1-2 segments)
trnsv. p. below
s.p. above
dorsal rami
PROPRIOCEPTION, ROT
Spinalis Capitis
s.p. below
s.p. above and cranium
dorsal rami
EXT vertebral column, posture
Spinalis Cervicis
s.p. below
s.p. above
dorsal rami
EXT vertebral column, posture
Spinals Thoracis
s.p. below
s.p. above
dorsal rami
EXT vertebral column, posture
what are the 3 layers of the thoracolumbar fascia and where do they connect?
Anterior: Iliac crest, TP fo lumbar vert, diaphragm.
Middle: covers posterior surface of QL attaches to TP of lumbar vert.
Posterior: SP of lumbar vert. and sacrum, supraspinous ligament.
where do the alar ligaments attach?
dens–> occipital bone
where does the transverse ligament of the atlas attach?
between lateral masses of C1
what wall of the pelvic floor does the piriformis muscle form?
posterolateral
what wall of the pelvic floor does the obturator internus muscle form?
anterolateral
attachments of Round ligament of the uterus = ligamentum teres?
Attached to the superior lateral portion of the uterus
inferior insertion
o Travels through the deep inguinal ring inguinal
canalsuperficial inguinal ringlabium
majora (external genitalia)
attachments of Transverse cervical ligaments
Lateral wall of cervix to lateral wall of pelvis
what are the boundaries of the urogenital triangle?
Pubic symphysis, ischiopubic ramus,
what are the boundaries of the anal triangle?
coccyx, ischial tuberosity, sacrotuberous lig. anus.
what are the spermatic cord contents?
Ductus deferens – transport tube
o Testicular artery (gonadal artery), artery of
ductus deferens, cremaster artery
o Pampiniform plexus (venous) – surrounds
-ANS nerve fibers; branch of genitofemoral nerve
o Cremaster muscle
o Lymph vessels
What innervates the perineum?
Perineal nerve from pudendal nerve S2,3,4 ventral rami
except external anal sphincter Pudendal nerve S2, 3, 4
what innervate the pelvic floor muscles?
Nerve to the levator ani S4 ventral rami contribution
except the coccygeus S4, 5 spinal nerves
