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Chap 7 femur/pelvic
Procedures1.
| Question | Answer |
|---|---|
| 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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