Ch. 9 Muscle fiber types

36 terms by l2ichard

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Slow

Speed of contraction for slow oxidative fibers is ___

Fast

Speed of contraction for fast oxidative fibers is ___

Fast

Speed of contraction for fast glycolytic fibers is ___

Slow

Myosin ATPase activity for slow oxidative fibers is ___

Fast

Myosin ATPase activity for fast oxidative fibers is ___

Fast

Myosin ATPase activity for fast glycolytic fibers is ___

Aerobic

Primary pathway for ATP synthesis for slow oxidative fibers is ___

Aerobic

Primary pathway for ATP synthesis for fast oxidative fibers is ___ (some anaerobic glycolyis)

Anaerobic glycolysis

Primary pathway for ATP synthesis for fast glycolytic fibers is ___

High

Myoglobin content for slow oxidative fibers is ___

High

Myoglobin content for fast oxidative fibers is ___

Low

Myoglobin content for fast glycolytic fibers is ___

Low

Glycogen stores for slow oxidative fibers is ___

Intermediate

Glycogen stores for fast oxidative fibers is ___

High

Glycogen stores for fast glycolytic fibers is ___

First

Recruitment order for slow oxidative fibers is ___

Second

Recruitment order for fast oxidative fibers is ___

Third

Recruitment order for fast glycolytic fibers is ___

Slow

Rate of fatigue for slow oxidative fibers is ___

Intermediate

Rate of fatigue for fast oxidative fibers is ___ (moderately fatiged-resistant)

Fast

Rate of fatigue for fast glycolytic fibers is ___

Red

Color of slow oxidative fibers is ___

Red, pink

Color of fast oxidative fibers is ___ to ___

White

Color of fast glycolytic fibers is ___

Small

Fiber diameter of slow oxidative fibers is ___

Intermediate

Fiber diameter of fast oxidative fibers is ___

Large

Fiber diameter of fast glycolytic fibers is ___

Many

Mitochondria of slow oxidative fibers is ___

Many

Mitochondria of fast oxidative fibers is ___

Few

Mitochondria of fast glycolytic fibers is ___

Many

Capillaries of slow oxidative fibers is ___

Many

Capillaries of fast oxidative fibers is ___

Few

Capillaries of fast glycolytic fibers is ___

Slow oxidative fibers

Which type of muscle fiber is best suited for endurance type activities?

Fast oxidative fibers

Which type of muscle fiber is best suited for sprinting and walking?

Fast glycolytic fibers

Which type of muscle fiber is best suited for short-term intense or powerful movements?

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