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Gurpreet Kaur
Week 6 Assignment Anatomy Nightingale
Term | Definition |
---|---|
Origin | The point of attachment that does not move when the muscle contracts |
Insertion | The point of attachment that Moves when the muscle contracts |
Prime Mover | muscle that directly performs a specific movement |
Synergist | Muscle that contracts at the same time as the prime mover -facilitate/complete the actions of prime mover to help produce effective movement |
Fixtor Muscles | function as joint stabilizer - work to maintain posture/balance |
Identify the connective tissue membrane that covers individual muscle fibers | Endomysium |
Identify the membrane that surrounds groups of skeletal muscle fibers (fascicles). | Perimysium |
Identify the membrane that covers the muscle as a whole | Epimysium |
Name the tough connective tissue cord that serves to attach a muscle to a bone | Tendon |
Name three types of fiber arrangements seen in skeletal muscles | Variety of arrangements such as parallel to a long axis, converging to a narrow attachment, oblique, pennate, bipennate, or curved; the direction of fibers is significant because of its relationship to function. |
What organs make up the skeletal system | Bones and Ligaments |
Ligaments are deined as | Fiberous bands that help hold the various bones together in the organized skeleton |
what are the 5 major functions that bones perform for the body? | Support, Protect, movement, mineral storage, and hematopoesis |
Hematopoesis is defined as | Blood cell formation. The process of making new blood cells |
List the six structural components of a typocal long bone that are visible to the naked eye | Diaphysis, Epiphyses, Articular Cartilage, Periostenum, Medullary Cavity, Endostenum |
Identify the two prinical chemical components of bone matrix | Inorganic Salts and Organic Matrix |
Why is it important that cartilage in the skeleton have some give or spring to it. | provides cussion for bones and heps prevent injury |
What connective tissue is rich in fat | Yellow marrow that sits in the medulary cavity of the long bones. |
What is the region between the epiphysis and diaphysis and what is it known for | Metaphysis in early development it is a layer of cartilage |