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Origin and Insertion
One of the points of attachment is the ORIGIN (typically the non-moving point of attachment). The other point of attachment is the INSERTION (typically the moving point of attachment).
For example - when the brachialis muscle (located on the upper arm) contracts - it shortens the distance between the origin (on the humerus - the upper arm bone and the insertion (on the radius - the forearm bone). The humerus does not move, but the radius does move - it moves closer to the humerus.
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What is the function of the calvarium bone?
Protection and support of the brain, muscle attachment.
Function of Xiphoid process?
It provides an attachment point for the rectus abdominus muscle.
What is an actinin?
An actinin is a microfilament protein which has a function in the attachment of actin fibres in muscle cells.
Is the distal attachment of a muscle the origin?
Origin is typically the proximal attachment of a muscle because it is the least moveable. The distal attachment is where a muscle inserts.
Prominent projection at back of skull?
Is called the External Occipital Protuberance and its function is simply an attachment for the occipitalis muscle.
What is the lower leg bone whose main function is muscle attachment?
what do you have 3 per toe but only 2 per thumb
Which muscle attachment is usually fixed or immovable?
What is the Orgin of a muscle, and the moveable part is the insertion
What is the part of the bone that provides a place for muscle attachment?
Many bones have ridges and protuberances which provide an area for muscle attachment.
Fixed attachment of a muscle?
origin
What is the fixed attachment of a muscle called?
According to Anthony's Textbook of Anatomy and Physiology the origin is that point of attachment that does not move when the muscle contracts, and the point of attachment that does move when the muscle contracts is the insertion. Muscles and muscle groups that that directly perform specific movements are prime movers or agonists.
Is the insertion the distal attachment of a muscle?
true
What is attachment of muscle to bone?
Legment and tendons
