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48 Cards in this Set
- Front
- Back
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Stretching of muscles tendons and ligaments by Contracting the antagonist muscles |
Active stretching |
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Stretching muscles tendons and ligaments by force other than the antagonist muscles |
Passive stretching |
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Maintaining a slow controlled sustain stretch over time (GTO'S ARE ACTIVATED) |
Static stretching |
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A series of quick bouncing type stretches. Activates muscle spindles , ( puts greater stretch in tendon |
Ballistic stretching |
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Ligaments reinforcing a joint are stretched and possibly torn |
Sprain |
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Partial dislocation of a joint |
Subluxation |
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Total malalignment of a joint |
Dislocation (luxation) |
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Often repaired with arthroscopic surgery |
Torn intracapsular cartliage |
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Inside of knee capsule , flap irritation |
Placa syndrome |
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Inflammation of the bursa |
Bursitis |
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Inflammation of the joint |
Arthritis |
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Wear and tear arthritis (greater bone density) |
Osteoarthritis |
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Autoimmune disorder in which the immune system attacks synovial joints |
Rheumatoid arthritis |
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Uric acid and crystallizes in the joints |
Gout |
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Functions of muscle tissue |
Movement, maintenance of posture, joint stabilization, and heat generation |
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Enables the body to remain sitting or standing |
Maintenance of posture |
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Muscle contractions produce heat helps maintain normal body temperature |
Heat generation |
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Tissues in the muscletebdinious unit ? |
Muscle cells, tendons, connective tissue and fascia |
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Binds a skeletal muscle and its fibers together and continuous with tendons |
Connective tissue shealths |
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Surrounds entire muscle |
Epimysium |
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Surrounds each fascicle |
Perimysium |
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Surrounds each muscle cell |
Endomysium |
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Ability to shorten to generate Force |
Contractility |
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Ability to react to a stimulus |
Excitability |
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Ability to be stretched |
Extensibility |
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Ability to recoil after being stretched |
Elasticity |
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Look up ??? |
Contractile component (CC) |
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Property is tendons |
Series elastic component (SEC) |
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Fascia and other , connective tissues |
Parallel elastic component (PEC) |
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Contractility and excitability |
Active tissue |
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Extensibility and elasticity |
Passive tissue |
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Appears to represent an increase in fiber diameter rather than fiber numbers, in humans the same number of fibers president at Birth is maintained throughout life except for the loss from injury |
Hyperplasia |
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The basic unit of contraction of skeletal muscle |
Sarcomere |
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Extend from Z disc toward the center of the sarcomere |
Thin actin filaments |
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Located in the center of the sarcomere, overlap inner ends of the thin filaments contain ATPase enzymes |
Thick myosin filaments |
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Elastic filament |
Titan |
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Boundaries of each sarcomere (end) |
Z disc ( z line ) |
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Full length of the thick filament. Includes inner end of the thin filaments (red) |
A bands |
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Center of the H Zone. Contains tiny rods that hold thick filaments together (middle ) |
M line |
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Region with only thin filaments. Lies within two adjacent sarcomeres (white strips ). |
I band |
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An elaborate smooth endoplasmic reticulum made of interconnecting tubules |
Sarcoplasmic reticulum |
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Contains calcium ions, release when muscle is stimulated to contract |
Sarcoplasmic reticulum |
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A deep invagination of the sarcolemma |
T tubules |
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What's a motor unit comprise of ? |
The nerve cell body, the nerve Axon, all muscle fibers innervated by the nerve fibers. |
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Number of fibers in the MU depends on ? |
How precise / powerful the movements are that the muscle normally does |
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Hand muscles have ? |
< 100 fibers /MU |
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Quads , gastroc , and he |
< 100 fibers/MU |
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What are units are confined to how many muscles |
1 |
