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Anatomy week 6
Term | Definition |
---|---|
Prime Mover | A muscle that directly performs a specific movement |
Antagonist | A muscle that directly opposes the prime mover |
Synergist | Muscles that contract at the same time as prime movers |
Fixator | Function as joint stabilizers |
Origin | The point of the muscle that does not move during contraction |
Insertion | Point of attachment that does move during muscle contraction |
Parallel muscle | Vary in length, long strap-like muscle with parallel fascicles are the most typical |
Convergent muscle | Muscles that radiate from a smaller to a wider point of attachment |
Pennate muscle | Unipennate muscle have fascicles the anchor to only one side of connective tissue, Bipennate have a type of double feather attachment of fascicles, Multipennate muscles have multiple interconnecting quill like fascicles converge on a common point |
Fusiform Muscle | Fascicles that may be close to parallel in the center but converge to a tendon at one or both ends |