Myofilaments - Study guides, Class notes & Summaries
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Muscle Physiology Verified Answers
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Muscle Physiology Verified Answers 
Only skeletal muscles ️️the muscles that the muscular system includes 
1movement of the skeleton 
2posture and body position 
3supports soft tissues 
4guards enterence/exit 
5maintains body temp ️️functions of the skeletal muscles 
muscle fibers ️️muscle cells are also called 
epimysium ️️__ layer of muscle separates muscle from surrounding tissues 
perimysium ️️__ layer of muscle surrounds muscle fiber bundles (fascicles) 
endomy...
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NASM 2024 Practice Test Questions with Correct Answers
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NASM 2024 Practice Test Questions with Correct Answers 
A-Band - Answer-The region of the sarcomere where myosin filaments are predominantly seen with minor overlap of the actin filaments 
 
Abduction - Answer-A movement in the frontal plane away from the midline of the body 
 
Acceleration - Answer-When a muscle exerts more force than is being placed on it, the muscle will shorten. Also known as concentric contraction or force production 
 
Acidosis - Answer-The accumulation of excessive hydro...
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CanFitPro - FIS Theory Exam (Answered 100% Correctly)
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CanFitPro - FIS Theory Exam (Answered 100% Correctly) 
ATP-CP System (Max effort - very short) 
Lactic Acid or Glycolytic System (Hard effort) 
Aerobic or Oxidative (Steady state effort) 
3 energy systems 
Cardiorespiratory capacity 
Muscular capacity 
Flexibility 
three primary components of fitness 
• Decreased resting Heart Rate 
• Decreased risk of cardiovascular disease 
• Improved endurance 
• Increased stroke volume & cardiac output 
4 benefits of training the cardivoscular system...
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EEOB Exam 8 Versions Questions and Answers Graded A 2024
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C. Sarcomere 
During cross bridge cycling in skeletal muscle, the _____ shortens 
A. A band 
B. Z line/disc 
C. Sarcomere 
D. M line 
B. It begins after calcium binds to troponin 
Which is a correct statement about the sarcoplasmic reticulum? 
A. Energy is provided when ADP and Pi detach from the actin head 
B. It begins after calcium binds to troponin 
C. The binding of an ATP causes the deflex of the crossbridge 
D. The process is based on a series of convergence changes 
D. One ATP was being ...
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CanFitPro - FIS Theory Exam Questions and Answers 100% Pass
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CanFitPro - FIS Theory Exam 
Questions and Answers 100% Pass 
ATP-CP System (Max effort - very short) 
Lactic Acid or Glycolytic System (Hard effort) 
Aerobic or Oxidative (Steady state effort) - Correct Answer ️️ -3 energy systems 
Cardiorespiratory capacity 
Muscular capacity 
Flexibility - Correct Answer ️️ -three primary components of fitness 
• Decreased resting Heart Rate 
• Decreased risk of cardiovascular disease 
• Improved endurance 
• Increased stroke volume & cardiac ...
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CanFitPro - FIS Theory Exam Questions and Answers 100% Pass
- Exam (elaborations) • 28 pages • 2024
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CanFitPro - FIS Theory Exam 
Questions and Answers 100% Pass 
ATP-CP System (Max effort - very short) 
Lactic Acid or Glycolytic System (Hard effort) 
Aerobic or Oxidative (Steady state effort) - Correct Answer ️️ -3 energy systems 
Cardiorespiratory capacity 
Muscular capacity 
Flexibility - Correct Answer ️️ -three primary components of fitness 
• Decreased resting Heart Rate 
• Decreased risk of cardiovascular disease 
• Improved endurance 
• Increased stroke volume & cardiac ...
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Movement Science Final Exam Questions and Answers Rated A+
- Exam (elaborations) • 24 pages • 2023
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Movement Science Final Exam Questions and Answers Rated A+ 
Extensibility of soft tissues that cross joints necessary for unrestricted, pain-free movements through functional ROM Flexibility 
Ability of muscle/tendon to relax or deform & yield to stretch/lengthening force Extensibility 
Any therapeutic maneuver designed to increase mobility of soft tissues and subsequently improve ROM by elongating structures that have adaptively shortened and have become hypo-mobile over time Stretching 
Decrea...
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Bio 264 Exam 3 Questions and Answers Already Passed
- Exam (elaborations) • 35 pages • 2024
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Bio 264 Exam 3 Questions and Answers 
 
Already Passed 
 
What structure runs from Z line to Z line? Sarcomere 
 
The movement of the troponin-tropomyosin complex requires _______ Ca2+. 
 
The actin filament is a polymer formed from 300 to 400 globular subunits called ______ G- 
actin. 
 
A myofilament is the _________. Protein strand composed of actin or myosin 
 
T tubules ________. Conduct action potentials deep into the muscle cell 
 
A drug that interferes with the active transport of calci...
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Rio Salado BIO 201 Anatomy & Physiology exam 2023 with 100% correct answers
- Exam (elaborations) • 57 pages • 2023
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What is the connective tissue covering that encloses the sarcolemma of an individual muscle fiber? 
 
A) epimysium 
B) perimysium 
C) endomysium 
D) periosteum correct answersC) endomysium 
 
What is a fascicle? 
 
A) muscle 
B) bundle of muscle fibers enclosed by a connective tissue sheath 
C) bundle of myofibrils 
D) group of myofilaments correct answersB) bundle of muscle fibers enclosed by a connective tissue sheath 
 
What are the differences, if any, in the composition for thick and thin m...
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BMSC 207 Post Midterm Exam Questions and Correct Answers
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Function of all musclesto generate force and movement 
Skeletal muscles- voluntary (somatic neurons) - striated - Multi-nucleated - insertion is more distal - antagonistic muscle groups = flexor-extensor pairs - 40% of body weight 
Cardiac Muscle- Primarily involuntary - striated and uninucleated - spontaneous electrical activity - altered by autonimc NS and hormones - intercalated disks that connects them - desmosomes (mechanical link) - gap junctions (electronical link) - larger but less T-Tub...
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