What Are Muscles Origin?

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Muscles origin are always connected to the immovable bone, on the other side, the intersection is connected to the movable bone. Movement of the body occurs when muscles contract across joints and their attachments move toward the origin. Movements that are called Angular can increase or decrease the angle between the bones. Flexion can decrease the angle of the joint and can make the articulating bone come closer, an example could be nodding you head. An extension is the opposite and can make the angle larger.
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