Which of the following statements is true?
A. When movement is slow, slow twitch fibers are recruited first.
B. When movement is fast, fast twitch fibers are recruited first.
C. Both A and B are true.
D. None of the above are true.
Answer: A. When movement is slow, slow twitch fibers are recruited first.
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Biomechanics Chapter 6
- In a 5K road race, the finish line is also the starting line. What does 5K represent?
- Marion Jones changes her velocity from 8 m/s to 11 m/s. Gail Devers changes hers from 7 m/s to 10 m/s. Who has the higher acceleration?
- When final velocity is larger than initial velocity, the acceleration is what?
- A runner moving at a velocity of 6 m/s increases the velocity in a 2 s time interval to a rate of 10 m/s. What is the rate of acceleration?
- A runner completes 1 full lap around a 400 meter track. What is her displacement?
- Which of the following is/are scalar quantity(ies)?
- In sport, which measure is more important or relevant?
- Which of the following is not a kinematic quantity?
- Linear distance traveled per unit of time describes what?
- The Greek letter ? (delta) is used to represent what?
- If velocity is constant, then acceleration is what?
- Vector mechanics apply to which of the following?
- Which of the following is/are characteristic(s) of muscle fatigue?
- The opposite of muscular endurance is what?
- During the first 12 weeks of resistance training, strength gains are due primarily to what?
- The torque of a muscle (rotary component) is greatest in what position?
- The amount of torque a muscle group can generate at a joint is used to measure what?
- Which of the following is true regarding the stretch-shortening cycle?
- Which of the following likely contributes to the stretch-shortening cycle?
- In human skeletal muscle, force generation capability is highest in which of the following conditions?
- The force-velocity relationship implies which of the following?
- When the wrist is flexed, the finger flexors cannot produce as tight a fist as when the wrist is in a neutral position. This is an example of what?
- Which of the following is a potential disadvantage of multijoint muscles?
- When an opposing torque at a joint is greater than the torque created by a muscle, what type of contraction occurs in that muscle?
- Which of the following is/are characteristic of fast-twitch oxidative glycolytic fibers?