Additional birth trauma injuries may occur when a baby's shoulders become stuck behind the mother's
pelvic bone as the baby moves down the birth canal, a complication known as shoulder dystocia.
Fetal macrosomia may, in turn, lead to a childbirth complication known as shoulder dystocia, which occurs when a fetus's shoulder is caught behind the mother's
pelvic bone as the fetus moves down through the birth canal.
Not exact matches
Larger babies may increase the risk of needing an assisted vaginal delivery or a C - section
as they may experience shoulder dystocia — getting a shoulder stuck behind your
pelvic bone during birth.
As nutrition improved, there were fewer women with rickets, which causes
bone deformations; many obstructed births in the late 19th and early 20th centuries were caused by abnormal
pelvic bones in the mother.
Dines et al. show that the reduced
pelvic bones of cetaceans (marine mammals such
as whales, porpoises and dolphins) may fall into the latter category.
By contrast, humans, who have a shorter
pelvic bone called an ischium (informally known
as a «sit
bone»), can hyperextend their legs in a way that generates less force on the hamstrings at the knees.
The 4.4 - million - year - old hominin known
as Ardi (Ardipithecus ramidus) had
pelvic bones oriented in such a way that its hip flexors could extend almost
as much those of modern humans, despite having a long, apelike ischium.
As Nesbitt cradles the Teleocrater
pelvic bone, he turns to a tall cabinet of wide, shallow drawers.
Dropping the head of the thigh
bone into the socket acts
as an anchor to weight the base of the leg into the
pelvic.
The second action is to elevate or to draw up the
pelvic floor from its relaxed position (in this state, it's shaped like a bowl) to a flattened, tighter position, higher within our
pelvic outlet (the space bordered by our two sit
bones, our pubic
bone, and our tail
bone, also known
as our coccyx), giving better support to bladder, bowel, and uterus.
So it is a good idea to learn your specific size and shape of your
pelvic bones than you will be able to use these tools to create
as much room
as possible for your baby in your
pelvic area during your labor and birth.
Begin with a slight
pelvic tilt (pubic
bone moves toward navel), press feet into the floor, lift hips up to knee height (or
as high
as your flexibility allows), contract (squeeze) your glutes (butt), hands and arms press into the floor for additional hip height and thoracic / spinal extension.
Together, these abnormal muscles — muscle imbalance — can adversely affect the joint (s) they control, the tendons they're attached to, and other muscles, ligaments,
bones, and body areas (such
as the
pelvic, spine, or head) all over.
Let me begin with a couple of definitions to make sure everyone is clear on some important terms: Your
pelvic outlet is the diamond - shaped area, bordered in front by your pubic
bone, in back by your tail
bone (otherwise known
as your coccyx), and on the sides by your two sit
bones.
Gluteus maximus (also referred to
as the glutes) arises from the large area on the rear of the
pelvic bone, passes down behind the hip joint, and attaches onto the upper femur.
Females that do not breed by the age of six to eight months can become pregnant, but they are physically unable to give birth
as the
pelvic bones fuse by this age.
The ribs, lumbar vertebrae, and
pelvic bones,
as well
as smaller
bones are clearly visible.
Some chis acquire the disease through genetics (it is hereditary), while some get it
as a result of hip dysplasia, or the continual degeneration of its
pelvic bone.
That feat — more specifically, the moment known
as «crowning,» when the mother's
pelvic bones resemble a crown encircling the baby's head — forms the basis of her new sculpture show at San Francisco's Anthony Meier Fine Arts opening on February 27.