Which of the following types of muscle tension is commonly used as a braking mechanism to slow limb movement?
A. eccentric
B. isotonic
C. concentric
D. isometric
Answer: A. eccentric
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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?