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Chap 7 femur/pelvic

Procedures1.

QuestionAnswer
The head of the femur contains a depression/pit near its center, termed what? Fovea capitis
Where exactly does the capitis femoris ligament attach? Fovea capitis
Greater trochanter is located superiorly and ____ to the femoral shaft. laterally
The lesser trochanter is _____ and posteriorly from the neck and shaft of the femur. medially
the trochanters are joined by a thick ridge called what? intertrochanteric crest.
Pelvis consists of what four bones? two hip bones (ossa coxae or innominate bones), one sacrum, and one coccyx.
Pelvic girdle consists of what? the two hip (innominate) bones
Wach hip bone is composed of 3 divisions, what are they? ilium, ischium, pubis. But they fuse into one bone during middle teen years
What is the acetabulum? dep, cup shaped cavity that accepts the head of the femur to form the hip joint.
The 3 divisions of each hip bone fuse together in teen years, where does the fusion occur? area of the acetabulum
In relation to the acetabulum: the ilium is located _____, the ischium is inferior and ______, and the pubis is inferior and _____. superior, posterior, anterior
The superior margin of the ala is the what? Iliac crest.
The ala or crest of the ilium, extents from ___ to ____. anterior superior iliac spine (ASIS) to posterior superior iliac spine (PSIS)
what is the less prominent projection below ASIS? PSIS? anterior inferior iliac spine. posterior inferior iliac spine.
The lower portion of the body of the ischium ends at the what? ischial tuberosity
projecting anteriorly from the ischial tuberosity is the ___ of the ischium. ramus.
deep notch superior to the ischial spine? greater sciatic notch
lesser sciatic notch is located where? inferior to the ischial spine
What forms the symphysis pubis joint? the midline where the two superior rami of the pubis meet. (each body of each pubis has a ramus)
Large opening formed by the rams and body of each ischium is called? obturator foramen
birth canal routine delivery: pelvic inlet, midcavity, through the outlet.
_____ pelvis is narrow, deeper, less flared. male
angle of the pubic arch in female vs male? (pelvis) female is usually obtuse or greater than 90 degrees, male is acute of less than 90.
shape of the inlet or superior aperture in male vs female? female inlet of pelvis is larger and more round, male is more narrow and oval/heart shaped.
joints between sacrum and each ilium? sacroiliac
between the right and left pubic bones? symphysis pubis
temporary growth joint of each acetabulum that solidifies in later years? union of acetabulum
between the head of the femur and the acetabulum of the pelvis? hip joint
sacroiliac joint class, mobility type, and movement type. synovial, amphiarthrodial, limited.
symphysis pubis class, mobility type, and movement type. cartilaginous, amphiarthrodial, limited
union of acetabulum class, mobility type, and movement type. cartilaginous, synarthrodial (for adults), nonmoveable
hip joint class, mobility type, and movement type. synovial, diarthrodial, spheroidal (ball and socket)
symphysis pubis is __-__ inches inferior to the level of ASIS, therefore, the femoral neck is __-__ inches distal and __-__ inches medial to ASIS. sypmth pubis is 3-4" below ASIS, therefore, femoral neck is 3-4inches below ASIS and 1-2 inches medial.
How can you tell by looking at the proximal femur, if the leg and ankle are in a true AP? (true AP of knee, leg, and ankle will not be a true AP of hip) the femoral neck appears shortened and the lesser trochanter is visible.
Why is the lesser trochanter key in determining the correct leg and foot position for an AP femur/hip? If leg is internally rotated 15-20 degrees (correct) the outline of the lesser trochanter isn't usually visible. If the leg is straight or externally rotated the lesser trochanter is visible.
Femoral necks greatly foreshortened? femoral necks partially foreshortened? femoral heads and necks in profile? greatly= external rotation of feet/leg partially= anatomic position profile= medial rotation (desired)
Lesser trochanters are visible in profile internally.. whats wrong? pt externally rotated their feet/legs.
Angle of neck to shaft on average adult? For a long legged person with a narrow pelvis? Short person with a wide pelvis? average is 125. narrow pelvis=140 wide pelvis=110
Longitudinal plane of femur? 10 degrees from vertical. About 15 for wide pelvis/short legs, and about 5 for long legs.
Anterior angle of the head and neck in relation to the body of the femur? 15-20 degrees. ( why leg must be rotated internally 10-20 for true AP)
Ischium consists of? greater sciatic notch, spine, lesser notch, tuberosity, ramus.
Pubis consists of? body, superior ramus, inferior ramus.
The general area above the oblique plane through the pelvic brim is termed? The greater or false pelvis
What is the purpose of the false pelvis? of the true pelvis? false- supports the lower abdomen organs and the fetus. True- forms the actual birth canal
What is the oblique plane defined by the brim of the pelvis termed? the inlet, or superior aperture of the true pelvis.
The outlet, AKA ____, of the true pelvis is defined by what? aka the inferior aperture, defined by the two ischial tuberosities and a line between each of them and the coccyx.
What is the cavity of the true pelvis? The area between the inlet and outlet.
Femoral neck can be located as being _____ inches _____, and ____ inches _____ to the ASIS. 1-2 inches medial, and 3-4 inches distal from ASIS
Created by: Zoest35
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