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Fish do not have "pelvic girdles" per se. Land animals in large majority have skeletal structures in their hips known as pelvic bones. In humans, men have a narrow pelvic size and women have a wider pelvic size. This is because women bear babies. The circular shape of these pelvic bones are referred to as the "pelvic girdle". Fish, however, don't have hip bones. Living in the water has eliminated the need for the extra physical support those bones would give during pregnancy.

Since fish range in size from near-microscopic up to the immense whale shark, the equivalent to the pelvic area would vary greatly in size. Mammals too, range widely in size so comparison is difficult without a more specific question.

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In contrast to a male pelvic girdle a female pelvic girdle is?

In comparison to a male pelvic girdle, a female pelvic girdle typically has a wider pelvic inlet and wider pubic angle, allowing for childbirth. Additionally, the female pelvic bones are generally lighter and thinner than those of a male.


Why are the bones of the pelvic girdle larger than the bones of the pectoral girdle?

The pelvic girdle supports more weight and pressure due to the upper body resting on it while standing and moving. It also provides protection for internal reproductive organs. Additionally, the pelvic girdle is involved in weight-bearing activities such as walking and running, requiring larger and stronger bones for stability and support.


What functions are common to the both shoulder girdle of pelvic girdle?

They are designed to work together. The muscles that link the two girdles, the lats, the gluts wit the lats and trapizies, the long muscles that drape the shoulders that intertwine the with muscles attached to the pelvis all work in concert with movement. It has been noted by F.M. Alexander that all movement of the body begins with that muscle point located at the small of the back. The only way to experience the composite movement of the shoulder girdle and the pelvic girdle is to 1. Be fortunate to be brought up by a parent that has free movement of the shoulder and pelvic girdles, so as an offspring you could image properly, or 2. Stretch. If you have the desire to imulate those with good movement, poise and grace, then this very desire suggests that you do not have a certain poise and grace exhibited by those with graceful shoulder and pelvic girdle movement. The only recourse you have is to stretch so that your muscles lenthen to allow your skeleton to expand. The muscles will eventually maintain a lengthening and your shoulder girdle and pelvic girdle will function together. Please note that this change you're asking of yourself is grand. It is a life style change. You must drop all of your baggage and start by doing nothing. This period is doing nothing may include that you do the opposite of what you have been doing. i.e. putting on your pants initially with the left leg insted of the right. Start downstairs with the left insted of the right leg. Imperceptiably lengthen your neck and spine as you stand in line at the grocery store. You'll need to regain a spiritual strength as you gain confidence in youself and take your inate power from your friends and family members. God Bless.


Why is the pelvic bone of a four legged animal much less massive than those of the human?

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What is the job of the appendicular skeleton?

The appendicular skeleton consists of your upper and lower extremities and pectoral girdle connects the arms to the thoracic cage which is in the axial The pelvic girdle connects the legs to the axial skeleton


Why are pelvic bones of four legged animals are much less massive than those of humans?

each leg suppports less weight (because theres 4) so less space is needed for the bone


Do lampreys have sacral vertebrae?

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Why is the pelvic bones of a four legged animal less massive than those of a human?

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