Pelvic Girdle/ Hip Flashcards
What are the bones of the pelvic girdle
Ilium, sacrum, acetabulum, pubis, pubis symphysis, ischium
What is the function of the pelvis
movement, posture, support of body weight, receiving ground forces, provide attachment, bony portion of birthing canal
what is the greater or major pelvis containing no organs
false pelvis
what is the lessor or minor pelvis, containing organs for the GI, urinary tract and reproductive
true pelvis
What is the difference in pelvis in male and female
male- longer, thinner
Female- thicker, wider
What is the symphysis pubis
a padded disk
What is the SI
sacroiliac synovial non axial joint between sacrum and ilium
functions of the SI joint
transmit weight from upper body to hips, greater stability and less mobility
Nutation of the SI
sacral flexion, pelvic outlet becomes larger, trunk flexion and hip extension (having a baby)
Counternutatuion of the SI
sacral extension, pelvic inlet becomes larger, trunk extension and hip flexion (baby first hits birth canal
where is the lumbosacral joint
the 5th vertebra with the 1st sacral
What ligaments are included in the lumbosacral joint
ilioslumbar, lumbosacral
What is the ilioslumbar ligament
attaches on the transverse process of L5 and runs laterally to the inner lip of the posterior portion of the iliac crest. limits rotation of L5 on S1 and assists in preventing L5 from moving anterior
what is the lumbosacral ligament
attaches on the transverse process of L5. runs inferiorly and laterally to attach on the ala of the sacram, where its fibers intermingle with the fibers of the anterior sacroiliac ligament
What is the optimal angle measure
30 degrees
why is the optimal angle measure important
prevents stress and damage to the joint and disk