Hip - The Hip Hip and pelvis region are not synonymous o...

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The Hip - Hip and pelvis region are not synonymous o Hip is joint/articulation of femur with the pelvis o Pelvis consists of sacrum, coccyx, and two large hip bones on either side Hip bones known as innominates Left/right Rotate - Pelvis and innominates protect the reproductive organs o Also serves as part of the birth canal o Also serves as a stable platform which supports the body weight Links the sacrum with weight transmission into the lower extremities - Females have lighter, thinner, and smoother bones than males in the hip and pelvic region Innominates - Consists at birth of three separate bones joined by hyaline cartilage o Ilium Largest bone of the innominate Posterior known as ala/wings Anterior known as iliac fossa Lot of muscular attachment on the iliac fossa Bones are also more flared in females Broader, wider hips Iliac crest is thickened superior ridge Serves as muscular attachment Common contact injuries (hip pointers) Spines of the ilium Anterior superior iliac spine (ASIS) Anterior inferior iliac spine (AIIS) Posterior superior iliac spine (PSIS) Posterior inferior iliac spine (PIIS) o Most are easily palpated and serve as muscular attachment Hip, trunk, thigh Other structures of the ilium Greater Sciatic Notch o Deep indentation inferior to PIIS o Serves as passageway for sciatic nerve and some tendons Auricular Surface o Large roughened region on iliac fossa o Articulates with sacrum to form sacroiliac (SI) joint o Iliacus m. originates on iliac fossa o Ischium Lower posterior portion of innominate and marked by several structures
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Ischial Spine Between the great and lesser sciatic notches Attachment for sacrospinous ligament Physician will measure to determine pelvic outlet o Farther apart in females Lesser Sciatic Notch Indentation below ischial spine Passageway for blood vessels and nerves Ischial Tuberosity Large rough inferior portion of ischium Inferior to lesser sciatic notch Origin for hamstrings, sit on, strongest part of the innominate o Also farther apart in females o Pubis Most anterior part of the innominates Pubic Symphysis Anterior midline where two pubic bones meet This articulation held together by fibrocartilage o Fibrocartilage: cartilage containing collagen fibers Pubic Rami Arm-like projections from the pubic symphysis Superior Pubic Rami o From body of pubis and goes superior, posterior, and laterally to form anterior portion of acetabulum Inferior Pubic Rami o Goes posterior, inferior, and lateral to unite with ischial tuberosity Pubic tubercles are most prominent portion of pubic bones Iliopectineal (arcuate) line Sharp curved line at inferior margin of iliac fossa Point of muscular attachment Pubic Arch V-shaped and is inferior to pubic symphysis Formed by inferior pubic rami Obturator Foramen Opening between pubis and ischium
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  • Fall '11
  • Stilger
  • Posterior Superior Iliac Spine, greater trochanter, Anterior superior iliac spine, Iliac fossa, Posterior inferior Iliac Spine

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