Provides strong support for the weight of the body Also provides support for the urinary bladder large intestine amp internal reproductive organs Pelvic Girdle Consists of two coxal bones which meet ID: 780710
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Slide1
Pelvis
Slide2Pelvic Girdle
Attaches lower extremities to the axial skeleton
Provides strong support for the weight of the body
Also provides support for the urinary bladder, large intestine & internal reproductive organs
Slide3Pelvic Girdle
Consists of two
coxal
bones which meet
anteriorly
at the
pubic
symphysis
and
posteriorly
with the sacrum at the sacroiliac joints
Ilium
– largest component of the
coxal
bone
Acetabulum
– socket for the head of the femur; formed by the
ilium
,
ischium
and pubis
Iliac crest
– the superior border of the
ilium
Greater sciatic notch
– where the sciatic nerve (the longest nerve in the body) passes
Ischium
– inferior, posterior portion of the hip bone
Slide4Pelvic Girdle
Ischial
tuberosity
– rough, thick area on the
ischium
Obturator
foramen
– largest foramen in the body where nerves and blood vessels pass through
Pubis
– anterior and inferior part of the hip bone
Pubic
symphysis
– the joint between the two hip bones; consists of
fibrocartilage
Pelvic brim
– boundary that divides the pelvis into superior and inferior portions
Slide5Comparison of Male and Female
Pelves
Female Male
Light and thin - heavy and thick
Large, oval pelvic brim - small, heart shaped pelvic brim
Small
acetabulum
- large
acetabulum
Oval
obturator
foramen - round
obturator
foramen
Pubic arch >90° - pubic arch < 90°
Wide greater sciatic notch - narrow greater sciatic notch
Short, wide sacrum - long, narrow sacrum