What is the primary function of mitochondria in muscle fibers?

Running Performance and Physiology Concepts

Interactive Video
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Science, Physical Ed
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7th - 12th Grade
•
Hard

Aiden Montgomery
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To store energy
To facilitate cellular respiration
To produce lactic acid
To increase muscle mass
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can easy runs help improve your running performance?
By reducing muscle fatigue
By decreasing heart rate
By improving flexibility
By increasing the number of mitochondria
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of threshold runs?
To increase speed
To clear lactic acid efficiently
To build muscle strength
To improve flexibility
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what pace should threshold runs be performed?
At a walking pace
At a pace slower than your marathon pace
At your 10k pace for three to five minutes
At a sprinting pace
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main benefit of improving your lactate threshold?
Improving flexibility
Increasing muscle size
Reducing heart rate
Running faster comfortably
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you improve the oxygen delivery to your muscles?
By doing interval training
By increasing your water intake
By reducing your running pace
By doing more stretching exercises
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the recommended pace for interval training?
At a pace slower than your easy pace
At a walking pace
At your 5k pace for up to 5 minutes
At a sprinting pace
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