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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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ImUnique1820 ImUnique1820
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6 years ago
The muscles of the arms and shoulders contain
 
  a. approximately equal amounts of fast and slow-twitch fibers, making them well-suited for both endurance and explosive movements.
  b. higher proportions of slow-twitch fibers, making them better suited for endurance than for explosive movements.
  c. higher proportions of fast-twitch fibers, making them better suited for explosive movements than for endurance movements.
  d. higher proportions of fast-twitch fibers, making them better suited for endurance than for explosive movements.
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estiee3estiee3
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6 years ago
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ImUnique1820 Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
byehoe
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Yesterday
You make an excellent tutor!
mkyoungs
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2 hours ago
This helped my grade so much Perfect
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