ANAT 215 Lecture Notes - Lecture 15: Greater Sciatic Notch, Internal Obturator Muscle, Ischial Tuberosity
28 Apr 2018
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Department
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Professor
ANAT 215 week 5 lecture 3
Lower limbs: for weight bearing and locomotion
Pelvic girdle
Attaches lower limb to axial skeleton, two hip
bones joined anteriorly at pubic symphysis
Ilium
Iliac crest: 1st bony part u can
feel
Anterior and posterior (back
dimbles) superior iliac spine
Anterior and posterior inferior
iliac spine
Greater sciatic notch: muscle
path
Ischium
Ischial spine: divides greater and
lesser sciatic notch
Lesser sciatic notch
Ischial tuberosity: bone we site
on
Pubis
Obturator foramen: passes
obturator vein, artery and
nerves
Pubic arch: angle b/n pubic
bones, helps distinguish sex
(female is wider)
Acetabulum
Depression on lateral side of hip
bone, art w head of femur to
form hip joint
Femur (4*
your height)
Longest and heaviest bone
Fovea
Attachment to the ligament
femur head
Neck
Connects femoral head and
shaft
Greater
trochanter
Attachment for gluteus medius +
minimus, obturator internus +
externus muscles
Lesser
trochanter
For insertion of muscles
Shaft
transmits weight to tibia
Medial and
lateral
condyles
Medial is larger b/c it bears
more weight (center of mass)
Medial
epicondyle
Protrusion that joins the knee,
above condyle, contains
adductor tubercle (point of
attachment of abductor
muscles)
Lateral
epicondyle
Protrusion that joins knee
find more resources at oneclass.com
find more resources at oneclass.com
Document Summary
Pelvic girdle attaches lower limb to axial skeleton, two hip bones joined anteriorly at pubic symphysis. Iliac crest: 1st bony part u can feel. Anterior and posterior (back dimbles) superior iliac spine. Ischial spine: divides greater and lesser sciatic notch. Obturator foramen: passes obturator vein, artery and nerves. Pubic arch: angle b/n pubic bones, helps distinguish sex (female is wider) Acetabulum depression on lateral side of hip bone, art w head of femur to form hip joint. Attachment for gluteus medius + minimus, obturator internus + externus muscles. For insertion of muscles transmits weight to tibia. Medial is larger b/c it bears more weight (center of mass) Protrusion that joins the knee, above condyle, contains adductor tubercle (point of attachment of abductor muscles) Deep notch b/n rear surfaces of medial and lateral epicondyle. Kneecap, circular-triangular bone, largest sesamoid bone, embedded w/n quadriceps tendon + strengthens it, covers and protects anterior art surface of knee joint.
