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26 Cards in this Set

  • Front
  • Back
Identify Three functions of the Muscular System.
Movement of the skeleton, maintenance of the skeleton, and generation of heat.
Where is a smooth muscle located?
Along the wall of hollow organs, vessels, and respiratory passageways.
What is the function of Smooth Muscles.
To produce peristalsis; contracts and relaxes slowly, and sustain contraction.
Where is a Cardiac Muscle located?
The wall of the heart.
What is the function of a cardiac muscle?
Pump blood out of heart, self-excitatory but influenced by the nervous system and hormones.
Where is skeletol muscles located?
They are attached to bones.
What are skeletol muscles used for?
To produce movement at joints.
Define and Explain endomysium.
Endomysium are delicate bands of connective tissue that are interspersed among muscular fibers.
Define and Explain perimysium.
Perimysium is the connective tissue that surrounds and bundles muscle fibers together.
Define and explain epimysium.
Epimysium is the external sheath of connective tissue that surrounds a muscle.
Define and explain tendon.
Tendons are bands of tough, inelastic fiberous tissues that connect a msucle with its bony attachment.
Define and Explain aponeurosis.
Aponeurosis is a sheetlike fiberous membrane that serves as a fascia to bind muscles together or as a means of connecting muscle to bone.
Define origin with association to muscles.
Origin is the point of attachment of a muscle that remains relatively fixed during contraction.
Define insertion with association to muscle.
Assertion is the point or mode of attachment of a skeletal muscle to the bone or other body part that it moves.
Define atrophy with association to muscle.
Atrophy is a wasting or decrease in size of a body organ, tissue, or part owing to disease, injury, or lack of use. Atrophy is also a wasting away, deterioration, or diminution.
Define hypertrophy with assonciation to muscle.
Hypertrophy is a nontumorous enlargement of an organ or a tissue as a result of an increase in the size rather than the number of constituent cells.
Define spasm with relation to muscles.
Spasm is a sudden, involuntary contraction of a muscle group or muscle.
Define twitch with relation to muscle.
A sudden and involutary spasmadic muscular movement.
Defin tetanic movement with relation to muscles.
An abnormal condition characterized by periodic painful muscular spasms and tremors, caused by faulty calcium metabolism and associated with dimished function of the paratyroid glands.
Define tone in relation to muscles.
The normal state of elasticity or contraction in a resting muscle. Normal firmness of a tissue or organ.
Define isotonic with relation to muscles.
Isotonic is when the muscular contraction of the muscle remains under realtively constant tension while its length changes.
Defin Isometric and its relation to muscles.
Of or involving muscular contraction against resistance in which the length of the muscle remains the same.
Explain prime mover.
When natural energy is converted into work.
Expain antagonist movement.
When a muscle conteracts another muscle.
Explain synergist.
When two or muscles work together in a combined effort to have a greater outcome of strength.
Explain fixator.
To attach to a bone.