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CSCS EXAM FINAL PREP Question with complete solution
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CSCS EXAM FINAL PREP Question with complete solution 3 Types of Joints Fibrous (no movement), Cartilaginous (limited movement), Synovial (considerable movement) Bones are covered with what? Smooth Hyaline Cartilage 3 Types of Joints Uniaxial, Biaxial, Multiaxial Vertebrae is m...

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  • November 28, 2024
  • 54
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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CSCS EXAM FINAL PREP Question with
complete solution
3 Types of Joints
Fibrous (no movement), Cartilaginous (limited movement), Synovial
(considerable movement)




Bones are covered with what?
Smooth Hyaline Cartilage




3 Types of Joints
Uniaxial, Biaxial, Multiaxial




Vertebrae is made up of....
(top down) 7 Cervical, 12 Thoracic, 5 Lumbar, 5 Sacral (fused together), 3-5
Coccygeal




Muscles contain the following components
Muscle Tissue, Connective Tissue, Nerves, and Blood Vessels




Epimysium

,Fibrous Connective Tissue that covers the body's more than 430 skeletal
muscles




Full Muscle Outer Layer
Epimysium (Epipen on outside)




Connective Tissue that surrounds each Fascicle (group of fibers)
Perimysium (perry facial)




Surrounds Each Fiber
Endomysium (Inside the Dome)




Proximal
Closer to trunk




Distal
Further from trunk




Neuromuscular Junction Synonym
Motor End Plate

,Motor Unit
Neuron and its fibers




The sarcoplasm
the cytoplasm of a muscle fiber, contains
contractile components consisting of protein filaments, other proteins, stored
glycogen and fat particles, enzymes, and specialized organelles such as
mitochondria and the sarcoplasmic reticulum.




Break down Muscle Big to Small
Epimysium Surrounds the muscle, Muscle Made up of multiple fascicles each
surrounded by perimysium, fascicles made up of muscle fibers each encased
in sarcolemma and insulted by endomysium, fibers made up of myofibrils that
fill the sarcoplasm, each myofibril is made up of actin and myosin.




Myofibril Size
about 1 m(mew)M 1/100 diameter of a hair




Smallest contractile unit of muscle cell
Sarcomere

, What initiates the contraction process (chemical)
The discharge of an action potential from a motor nerve signals the release of
acetylcholine led to the release of calcium from the sarcoplasmic reticulum
into the myofibril, causing tension development in muscle




I-Band
ONLY Actin (I Am Only Actin(g))




Z-Line
Middle of I-band End of each sarcomere




H-Zone
ONLY Myosin (My Only H)




A-Band
Full Myosin Ladder, doesn't change




Each action potential traveling down a motor neuron results in a short
period of activation of the muscle fibers within the motor unit. The brief
contraction that results is referred to as a...
Twitch

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