Structure

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Name That Muscle
This and that
Structure
Mic Anat
Disorders
Contraction.
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Mr. Muscle
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Muscular System Jeopardy
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An individual muscle cell
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What is a fiber?
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Covering of an individual muscle cell
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What is the endomysium?
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A bundle of muscle fibers
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What is a fascicle?
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Connective tissue covering of a fascicle
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What is the perimysium?
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Broad sheet of connective tissue that attaches
muscles to bones indirectly or to other muscles
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What is an aponeurosis?
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Type of muscle with striations, multiple nuclei,
attached to the skeleton, and are voluntary
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What is skeletal muscle?
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The contractile unit of a muscle cell, or the
space between 2 Z lines
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What is a sarcomere?
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Neurotransmmitter that initiates muscular
contraction
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What is acetylcholine or Ach?
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Part of the muscle cell which stores Calcium
before and after contraction
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What is the sarcoplasmic reticulum?
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One neuron and all the muscle cells that it
stimulates
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What is a motor unit?
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Muscle that closes, purses and protrudes the lips
in a kissing action
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What is the orbicularis oris?
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Muscle that raises the eyebrows and wrinkles the
forehead
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What is the frontalis?
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Muscle that inserts on the heel by the Achilles
tendon, or calf muscle
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What is the gastrocmemius?
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Muscle of the abdominal wall named for direction
of fibers
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What is the rectus abdominus or oblique?
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A spasm of this muscle might give you a crick
in your neck
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What is the sternocleidomastoid?
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Extreme soreness in joints and skeletal muscle
caused by repetitive action or trauma, common in
the elbow
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What is tendinitis?
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Protrusion of an organ through an opening in the
wall of a body cavity, common after heavy lifting
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What is a hernia?
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A fatal genetic disorder that appears in
previously healthy little boys, symptoms are
falling and loss of muscle function
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What is muscular dystrophy?
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Symptoms are fatigue and tenderness in specific
areas, usually strikes women in their 30s to 40s.
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What is fibromyalgia?
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Extreme pain in the heel, caused by trauma or
excessive use
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What is plantar fasciitis?
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Filaments that are made of myosin, have heads,
and form cross bridges with actin, allowing them
to join together
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What are thick filaments?
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Type of respiration that produces 2 ATPs and
lactic acid, good for a sprint
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What is anaerobic respiration?
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Name of the theory that explains muscle
contraction and is what generates the mechanical
force of contraction
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What is the Sliding Filament Theory?
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Substance that exposes the myosin binding sites
on actin filaments, allowing myosin and actin to
attach
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What is calcium?
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Reason for the striations in skeletal muscle
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A or dark bands and I or light bands
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The main function of muscle tissue
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What is movement?
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Connective tissue structure that attaches muscle
to bone
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What is a tendon?
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DAILY DOUBLE
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Type of contraction in which muscle filaments
slide past each other and the muscle contracts,
causing movement
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What is isotonic?
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Type of contraction in which muscles do not
actually shorten, like pushing against a wall
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What is isometric?
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State of sustained partial contraction which is
vital to health
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What is muscle tone?
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FINAL JEOPARDY
Contraction
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In a contraction, the ___ bands get smaller, the
____ zones disappear, and the ___ bands move
closer together but dont change in length
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FINAL JEOPARDY ANSWER
What is I, H and A?