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horse and rider performance > Lecture 3 > Flashcards

Lecture 3 Flashcards

1
Q

Muscle contains

A

75% Water
5% Salt
20% protein

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2
Q

Protein in muscle

A

Actin
Myosin
Tropomysin

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3
Q

Myoglobin

A

An oxygen binding protein

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4
Q

Tendon

A
  • Link muscle to bone
  • Transmit the forces
  • Type 1 collagen
  • Generated by the contracting
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5
Q

Tendon strength

A

Tendon strength increased by cross linking between collagen molecules

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6
Q

Function bones

A
  • Movement
  • Shape of body
  • Supportive
  • Protective
  • Storage
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7
Q

Storage in bones

A
  • Calcium
  • Magnesium
  • Phosphorus
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8
Q

Sliding filament model

A

Sarcomere shortens because actin filaments are pulled inwards

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9
Q

Slow twitch fibers

A
  • Energy through aerobic system
  • Slow myosin ATP activity
  • Slower calcium
  • Large numbers of mitochondria
  • Red pigmentation
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10
Q

Fast twitch fibers

A
  • High myosin ATP activity
  • Anearobic
  • Rapid Ca2 release and uptake
  • Glycolytic system for energy transfer
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horse and rider performance (14 decks)

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