Fibres and contraction

What are type 11a muscle fibre?

• Type 11a muscle fibers are intermediate-twitch muscle fibers.
• Type 11a muscle fibers are fast-twitch muscle fibers.
• Type 11a muscle fibers are slow-twitch muscle fibers.
• Type 11a muscle fibers are a type of connective tissue.

How can type 11a muscle fibers be trained effectively?

• Static stretching

• Low-intensity, endurance exercises

• Isometric exercises

• High-intensity, explosive exercises

What is the function of type 11a muscle fiber?

• Type 11a muscle fibers are only used during high-intensity exercise.

• Type 11a muscle fibers are responsible for muscle contraction.

• Type 11a muscle fibers have a high capacity for both aerobic and anaerobic metabolism.

• Type 11a muscle fibers are primarily used for endurance activities.

How do type 11a muscle fibers differ from other muscle fibers?

• Type 11a muscle fibers have a low capacity for generating force and fatigue slowly.

• Type 11a muscle fibers have a low capacity for generating force and fatigue quickly.

• Type 11a muscle fibers have a high capacity for generating force and fatigue quickly.

• Type 11a muscle fibers have a high capacity for generating force and fatigue slowly.

What are the characteristics of type 11a muscle fibers?

• Fast-twitch oxidative-glycolytic fibers

• Intermediate fibers

• Slow-twitch oxidative fibers

• Fast-twitch glycolytic fibers

What are the benefits of having type 11a muscle fibers?

• Type 11a muscle fibers provide explosive power and strength.

• Type 11a muscle fibers enhance flexibility.

• Type 11a muscle fibers increase speed and agility.

• Type 11a muscle fibers improve endurance.

What is the all or none law in muscles?

• The all or none law in muscles states that when a muscle fiber is stimulated, it will contract slowly.
• The all or none law in muscles states that when a muscle fiber is stimulated, it will contract partially.
• The all or none law in muscles states that when a muscle fiber is stimulated, it will contract fully or not at all.
• The all or none law in muscles states that when a muscle fiber is stimulated, it will contract intermittently.

What are the body's responses to exercise?

• Increased heart rate, increased breathing rate, increased blood flow to muscles, increased body temperature, and release of endorphins.
• Increased heart rate, increased breathing rate, increased blood flow to muscles, increased body temperature, and release of cortisol.
• Increased heart rate, decreased breathing rate, increased blood flow to muscles, increased body temperature, and release of adrenaline.
• Decreased heart rate, decreased breathing rate, decreased blood flow to muscles, decreased body temperature, and release of endorphins.

What is muscular hypertrophy?

• Increase in size of skeletal muscle fibers
• Increase in flexibility of skeletal muscle fibers
• Increase in number of skeletal muscle fibers
• Decrease in size of skeletal muscle fibers

What are our body's adaptations to exercise?

• Hypertrophy, increased tendon strength, increased fat, increased glycogen.

• No changes in cardiovascular fitness, muscle strength and endurance, flexibility, bone density, or mental well-being.
• Decreased cardiovascular fitness, weakened muscle strength and endurance, decreased flexibility, decreased bone density, and worsened mental well-being.
• Increased cardiovascular fitness, improved muscle strength and endurance, decreased flexibility, improved bone density, and worsened mental well-being.