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3the pelvic brim divides the
superior greater pelvis from the inferior lesses pelvis
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10you have _ pelvis bones in childhood and _ in adulthood
8
4
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73distinctly human considerations of the pelvis
bipedalism
head to outlet ratio
74to adapt to bipedalism the pelvis needed to shift:
more bowl-like to support organs
narrow and rotate the iliac crests laterally so that smaller gluteals become hip stabilizers to prevent side to side swaying during walking
Big posterior muscle (gluteus maximus) to provide a spring for running
75head to outlet ratio
human heads are big but bipedal pelvises are narrow
76the human pelvis expands more posteriorly to accommodate the
gluteus maximus - important muscle for running but not for tree climbing or swinging
77the more bowl like pelvis provides
lateral space for the gluteus minimus and medius to stabilize the hip and upper body during walking
78humans are said to be "
obligate midwives - need help with birthing
79human offspring must be born before
skull formation is complete to pass through the small pelvis of our bipedal species
80pelvises widen under the influences of ______ and narrow progressively in _____
estrogen, menopause
81differences between less estrogen and more estrogen pelvises
span between ischial tuberosities and spines
subpubic angle
tilt to coccyx
82fetal head must pass through pelvic inlet oriented to the
side
83os coxae meet anteriorly at
pubic symphysis
84os coxae articulate posteriorly with
sacrum
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87anterior and posterior sacroiliac ligaments laterally attach
ilium and sacrum
88iliolumbar ligament
superior/inferior attachment between ilia and 4th + 5th lumbar vertebrae
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91sacrospinous attaches
sacrum to ischial spine
92sacrotuberus attaches
sacrum to ischial tuberosities
93sacrospinous and sacrotuberus help to stabilize the sacrum when
there is an increase in weight in the trunk
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95anterior and posterior sacrococcygeal ligaments attach
sacrum to coccyx
96"sump pump" contractions of pelvic floor muscles help move
lymph and venous blood with the lymphatic circulation/veins
97the pelvic floor muscles have a ______ role for urethra and anus
sphincteric
98pelvic floor muscles provide support for
the abdominal and pelvic viscera
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111up to 80% of individuals post-vaginal birth experience
tearing of pelvic floor muscles
112what can be helpful for tearing of pelvic floor muscles?
pelvic floor therapy
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121Semen pathway
Testis
epididymis
vas deferens
seminal vesicle adds
prostate gland
bulbourethral gland adds
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130urethra within a penis transports
urine and semen
131urethra in a penis is long or short?
very long
1323 zones of urethra in a penis
Prostatic urethra
membranous urethra
spongy urethra
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136prostatic urethra
extends through prostate gland
137membranous urethra
external urethra sphincter
passing through pelvic floor
138spongy urethra
encased within erectile tissue
passing through penis
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148rugae
bumpy stuff that allows for expansion of bladder
149difference between internal and external sphincter
interal is smooth muscle
external is skeletal muscle - what you control
150trigone
triangle shaped space between ureter orifices-location of stretch receptors that trigger urge to urinate
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158urethra in women
just for urine
very short
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168because the urethra in women is so short, this increases the chance of
UTI
169bulb of the vestibule is where
fluid is collected
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178the fimbrae and ovary ______ touch
don't
fimbrae catch the eggs from the ovary
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190proliferative phase
arteries grow and proliferate
191secretory phase
fully developed
192menstrual phase
lining is removed
193during pregnancy a tremendous amount of weight bearing stress is placed on _______ ____
the pubic symphysis
194during pregnancy, there is volume reduction in ____ ______ and ______ and limited contraction of _______
urinary bladder and stomach
diaphragm