Muscular Tissue
Filaments
Action Potential
Muscles
Misc.
100
What is it called when the muscle has the ability to stretch?
Extensibility
100
What holds tropomyosin?
Troponin
100
This is where the actin potential begins
Neuromuscular Junction
100
What is the attachment of muscle tendon to movable bone?
Insertion
100
Concentric vs. Eccentric
Concentric is when the muscle shortens and eccentric is when the muscle lengthens.
200
Skeletal Muscle contains...
Connective tissue, blood vessels, and nerves.
200
What are the regulatory proteins?
Tropomyosin and troponin
200
What is the neurotransmitter that communicates across synaptic cleft
Acetylcholine
200
Describe the second class lever.
Fulcrum is at one end, effort at the other end, and the resistance in between.
200
What are the three ways to produce ATP
Creatine Phosphate, Anaerobic Glycolysis, Aerobic Respiration
300
What is a dense of irregular connective tissue, supports and surrounds muscles similar functions, and has 3 layers that extend to skeletal muscle.
Fascia
300
What is excitation?
Muscle action potenial
300
How many acetylcholine receptors do motor end plates have?
30-40 million
300
What fascicle arrangement is short and directed obliquely toward the tendon?
Pennate
300
What is the cherophobia the fear of?
The fear of fun
400
What is a flat sheet of fibrous connective tissue?
Aponeurosis
400
What are the steps of the contraction cycle?
ATP hydrolysis, attachment of myosin and actin, power stroke, and detachment of myosin and actin
400
What are the four steps of a nerve impulse?
Release of acetylcholine, activation of ACh receptors, production of muscle action potential, and termination of ACh activity.
400
What are muscles that assist prime move helping to steady a movement?
Synergists
400
Why is there continued heavy breathing following ending of exercises?
Elevated body temperature, muscles still at elevated state, and repair
500
What is the inner most layer reticular fibers inside of the fascicle extension between individual muscle fibers?
Endomysium
500
What happens following death?
Ca2+ lead from sarcoplasmic reticulum, myosin her binds to actin, ATP synthesis stops.
500
Explain the junctional folds
Grooves and increases surface area
500
Describe what pronators do?
Turn the hand palm downward
500
What is dark red and has large amounts of myoglobin and capillaries?
Slow oxidative fibers
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