how does pivotal joint is helpful to us
Answers
Answer:
Explanation:
The pivot joint located near the elbow, holds the two forearm bones, radius and ulna, together.
The two bones, radius and ulna, are also connected to each other near the wrist by another pivot joint. These two bones twist around each other by using a pivot joint.
The pivot joint situated at the base of the skull, connects the first vertebrae of the spine to the second vertebrae. Thereby, allowing the side-to-side rotation of the head.
A pivot joint permits movement of the bones in one plane, such as rotation around a single axis.
In the human body, the joint of the wrist that lets the palm of the hand move up and down is possible because of pivot joints.
Without pivot joints, the skeleton of the human body would lack flexibility and freedom of movement thus, making the movement of the skeleton quite stiff and rigid.
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Answer:
Pivotal joint is helpful to us because it allows to movement in all directions. It allows to move your head up and down, left and right and also to rotate .
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