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Nastasia [14]
3 years ago
15

Depends on oxygen delivery and aerobic mechanisms. Have very fast-acting myosin ATPases and depend upon anaerobic metabolism dur

ing contraction. Red fibers, the smallest of the fiber types. Contain abundant amounts of glycogen. Abundant in muscles used to maintain posture. A relatively high percentage are found in successful marathon runners. A. Slow (oxidative), fatigue-resistant fibers B. Fast (oxidative or glycolytic), fatigable fibers
Health
1 answer:
Vsevolod [243]3 years ago
3 0

Answer:

Fast glycolytic fibers use anaerobic metabolism to produce energy which is used by the muscle for high tension contraction but these muscles fatigue quickly.

  • It has amount amount of glycogen and have very quick acting myosin ATPase.

Slow oxidative are known as resistant fibers which generates energy(ATP) by the help of aerobic system.

  • It depends on the delivery of oxygen and have red fibers which is smallest of all the fibers.
  • It is found in marathon runners and its main function is to maintain posture.

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