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muscle Physiology Questions
Human Anatomy & Physiology with Baumler at Marcos de Niza High School
About this deck
By: Bart Baumler
Created: 2012-02-14
Size: 36 flashcards
Views: 128
Created: 2012-02-14
Size: 36 flashcards
Views: 128
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Resistance Training benefits
1. increased myofilaments
2. increased cardiovascular system
3. Increased respiratory system
molecule Calcium bonds to during an A.P.
troponin is the target during an A.P.
Hemoglobin
oxygen bonding molecule of red blood
myoglobin
oxygen bonding molecule of muscle fibers
calsequestrin & calmodulin
molecules that regulate calcium ions
glycosome
organelle that stores glycogen
sarcomere
What found between Z- Discs
endomysium
what surrounds a muscle fiber
epimysium
what surrounds a muscle group
perimysium
what surrounds a fascicle
fascicle
a group of muscle fibers
treppe
the pattern seen as muscles warm up increasing calcium and enzyme efficiency
isometric
same distance muscles do not shorten though tension can be peaked
isotonic
same tension on muscle as it moves a load muscle shortens
refractory period
time muscle is unable to contract at all
where multi unit smooth muscle is used
a) eye focus
b) eye pupil diameter
c) diameter of large arteries
d) large airways
multi unit smooth muscle characteristics
a) cells are structurally independent of each other no gap junctions
b) richly supplied with nerves
c) can respond with grades response
d) uses norepinephrine as neurotransmitter
Properties of Muscle
a) contractility
b) elasticity
c) extensibility
d) excitability
Name 4 functions of muscle
a) movement
b) maintaining posture
c) heat producer
d) joint stabilizer
Sarcolemma
plasma membrane of muscle cell
Structure of skeletal muscle fiber
Long cylindrical , multinucleated, and striated cell,
Structure of a cardiac muscle fiber
self stimulating,striated, single or double nucleated cell
What are the symtoms of muscular dystrophy?
Sex linked gene affects males more
muscle fibers breakdown due to lack of dystrophin proteins in sarcomlemma
What muscle cells have the greatest ability to regenerate?
Smooth muscles in the uterus during puberty and pregnancy because of increased estrogen
functional role of T-tubules
Increase communication between extracellular fluids and the sarcomeres
Lactic Acid
What substance is made during strenous excercise?
What is the function of creatine phosphate?
Transfers the energy of its phosphate to ADP to form ATP
What muscle type has one nucleus,rare gap junctions, and no sarcomeres?
multiunit smooth muscle
What tissue surrounds a group of muscle fibers?
perimysium
What distinguishing characteristics are found in all muscle?
1. the ability to contract
2. the ability to transfer chemical energy to mechanical energy
What respiration process splits glucose into two pyruvic acids?
glycolysis
cell membrane of muscle fibers are
sarcolemma
myosin filaments are
thick filaments with club like ends that attach to actin
Club ends are energizied by A.T.P.
What types of muscle fiber would be in a long distance runner
red slow twitch would dominate
What type of muscle fibers would be in a pitchers arm?
White fast twitch
Most people have what type of muscle fibers?
a mixture of fiber types
About this deck
By: Bart Baumler
Created: 2012-02-14
Size: 36 flashcards
Views: 128
Created: 2012-02-14
Size: 36 flashcards
Views: 128
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“Simply amazing. The flash cards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness.”
Dennis
Dennis