Chapter 16 Quiz CSCS Plyometric Training
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Plyometric training is a field of physical training that deals with exercises which force muscles to exert maximum force during short intervals of time, allowing your muscles to increase in power. This is also often referred to as “jump training” as jumping is a major component. What do you know about it?
Questions and Answers
- 1.
Plyometric training involves using a prestretch and a counter-movement, and involves the _________________.
Explanation
Plyometric training utilizes a stretch-shortening cycle (SSC). This involves a prestretch of the muscles followed by a quick counter-movement, which allows for the storage and release of elastic energy. The SSC is essential in plyometric exercises as it enhances muscle power and explosiveness by maximizing the force production during the concentric phase of movement.Rate this question:
- 2.
The term used to define the force to speed relationship is_______________.
- A.
Power
- B.
Acceleration
- C.
Distance
Correct Answer
A. PowerExplanation
Power is the term used to define the force to speed relationship. Power is a measure of how quickly work is done or energy is transferred. It represents the rate at which force is applied to move an object over a certain distance in a given amount of time. In physics, power is calculated by dividing the work done or energy transferred by the time taken. Therefore, power is the correct answer to define the force to speed relationship.Rate this question:
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- 3.
The part of the mechanical model that is the workhorse of the plyometric model is known as the ______________.
Correct Answer
series elastic component
SECExplanation
The series elastic component (SEC) is the part of the mechanical model that is responsible for the majority of the work in the plyometric model. It acts as a spring-like structure, storing and releasing energy during the movement. This component is crucial in generating power and force during plyometric exercises, allowing for explosive movements and enhancing athletic performance.Rate this question:
- 4.
The __________________ involves a change in the force-velocity characteristics of the muscle's contractile components caused by stretch
Correct Answer
potentiationExplanation
The term "potentiation" refers to a phenomenon where the force-velocity characteristics of a muscle's contractile components are altered due to stretching. This means that when a muscle is stretched, it becomes more capable of generating force and velocity. This can be beneficial in activities that require explosive movements, as the muscle is able to produce more force and generate higher velocities.Rate this question:
- 5.
___________________ are proprioceptive organs sensitive to rate and magnitude of a stretch
- A.
Stretch spindles
- B.
Stretch fibers
- C.
Muscle fibers
- D.
Muscle spindles
Correct Answer
D. Muscle spindlesExplanation
Muscle spindles are proprioceptive organs that are sensitive to the rate and magnitude of a stretch. They are located within the muscle and provide information about muscle length and changes in muscle length to the central nervous system. When a muscle is stretched, the muscle spindles detect the stretch and send signals to the spinal cord, which then sends signals back to the muscle to adjust its length and maintain proper muscle tone. This feedback loop helps to regulate muscle contraction and prevent overstretching or injury.Rate this question:
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- 6.
Also known as phase I of the stretch shortening cycle this phase involves preloading of the agonist muscles, storing of energy in the SEC, and muscle spindles are stimulated.
Correct Answer
eccentric phaseExplanation
The given correct answer is the eccentric phase. This phase is also known as phase I of the stretch shortening cycle. During this phase, the agonist muscles are preloaded, which means they are stretched before contracting. This stretching helps to store energy in the series elastic component (SEC) of the muscles. Additionally, the muscle spindles are stimulated during this phase.Rate this question:
- 7.
The time between phase I and phase III of the stretch-shortening cycle is known as
- A.
Amortization phase
- B.
Eccentric phase
- C.
Concentric phase
- D.
Landing phase
Correct Answer
A. Amortization phaseExplanation
The time between phase I and phase III of the stretch-shortening cycle is known as the amortization phase. This phase refers to the transition period between the eccentric (lengthening) and concentric (shortening) phases of muscle contraction. During the amortization phase, the energy stored in the stretched muscle-tendon complex is released, allowing for a quick and powerful concentric contraction. It is an important phase for generating explosive movements and maximizing power output.Rate this question:
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- 8.
Which one is NOT a common way that volume for lower body plyometric exercises can be measured
- A.
Single foot contact
- B.
Distance
- C.
Double foot contact
- D.
Time off the ground
Correct Answer
D. Time off the groundExplanation
The volume for lower body plyometric exercises can be measured using various methods such as single foot contact, distance, and double foot contact. However, measuring the time off the ground is not a common way to measure volume for these exercises.Rate this question:
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- 9.
True or false: Plyometric exercises can be performed by athletes of any age.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Plyometric exercises involve explosive movements to improve power and speed. While they are commonly used by athletes, they can be performed by individuals of any age. However, it is important to consider the individual's fitness level and any pre-existing conditions before incorporating plyometric exercises into their routine. It is recommended to consult with a healthcare professional or a qualified trainer to ensure safety and effectiveness.Rate this question:
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- 10.
When combining lower body resistance training with plyometrics athletes should usually perform the following:
- A.
Lower body plyometrics
- B.
No plyometrics
- C.
Upper body plyometrics
Correct Answer
C. Upper body plyometricsExplanation
When combining lower body resistance training with plyometrics, athletes should usually perform upper body plyometrics. This is because plyometric exercises involve explosive movements that enhance power and speed by engaging the muscles' stretch-shortening cycle. While lower body plyometrics are commonly used to improve lower body strength and explosiveness, incorporating upper body plyometrics can help athletes develop overall body power and coordination. Additionally, upper body plyometrics can benefit athletes in sports that require throwing, striking, or pushing movements, as they can improve upper body strength and explosiveness.Rate this question:
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- 11.
______________ is the maintenance of a position without moving for a given period of time.
- A.
Technique
- B.
Strength
- C.
Balance
- D.
Power
Correct Answer
C. BalanceExplanation
Balance is the maintenance of a position without moving for a given period of time. It refers to the ability to distribute weight evenly and remain stable. In various activities such as yoga, gymnastics, or even everyday tasks like standing or walking, balance plays a crucial role in preventing falls or injuries. It requires coordination between different muscles and body parts to keep the body aligned and steady. Therefore, balance is the most appropriate term to describe the maintenance of a position without moving.Rate this question:
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- 12.
Athletes weighing more than ____________ pounds should avoid high-volume high-intensity ploymetrics and limit the depth of their depth jumps.
Correct Answer
220Explanation
Athletes weighing more than 220 pounds should avoid high-volume high-intensity plyometrics and limit the depth of their depth jumps. This is because high-impact exercises like plyometrics put a lot of stress on the joints and muscles, and individuals with a higher body weight may be at a greater risk of injury. By limiting the depth of their depth jumps, athletes can reduce the impact and stress on their joints, minimizing the risk of injury.Rate this question:
- 13.
Characteristics for proper footwear to perform plyometrics should include
- A.
Good lateral stability
- B.
Wide nonslip sole
- C.
Adequate cushioning
- D.
All of the above
- E.
None of the above
Correct Answer
D. All of the aboveExplanation
Proper footwear for performing plyometrics should have good lateral stability to provide support and prevent ankle injuries. A wide nonslip sole is necessary to ensure proper traction and prevent slipping during explosive movements. Adequate cushioning is important to absorb the impact and reduce stress on the joints. Therefore, all of the characteristics mentioned (good lateral stability, wide nonslip sole, and adequate cushioning) should be present in the footwear for effective and safe plyometric exercises.Rate this question:
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- 14.
___________ is the maximum height that depth jumps should be performed.
Correct Answer
48 in
48 inchesExplanation
The maximum height at which depth jumps should be performed is 48 inches.Rate this question:
- 15.
In order to increase the intensity of plyometrics on can
- A.
Use a single leg
- B.
Add external loads
- C.
Decrease jump height
- D.
Increase reps
Correct Answer(s)
A. Use a single leg
B. Add external loads
D. Increase repsExplanation
To increase the intensity of plyometrics, one can use a single leg, add external loads, and increase reps. Using a single leg requires more stability and engages more muscles, making the exercise more challenging. Adding external loads, such as weighted vests or ankle weights, increases resistance and forces the muscles to work harder. Increasing the number of repetitions also increases the overall workload and helps to improve power and endurance. By combining these techniques, the intensity of plyometric exercises can be effectively increased.Rate this question:
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- 16.
This is a good routine for beginners to perform in order to start plyometric training
- A.
Depth jumps
- B.
Single leg jump squats
- C.
Pike jumps
- D.
Bounding
Correct Answer
D. BoundingExplanation
Bounding is a good routine for beginners to perform in order to start plyometric training because it involves explosive movements that help improve power, speed, and coordination. Bounding is a type of running where the athlete takes long, exaggerated strides and focuses on pushing off forcefully with each step. This exercise helps to develop lower body strength, increase stride length, and improve overall athletic performance. It is a suitable choice for beginners as it is less intense compared to depth jumps and single leg jump squats, making it easier to perform and less likely to cause injury.Rate this question:
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- 17.
A depth jump can be followed by any of these:
- A.
Squat jump
- B.
Lateral movement
- C.
Long jump
- D.
Single leg jump
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
A depth jump is a plyometric exercise where an individual drops off an elevated surface and immediately jumps upon landing. It is an advanced exercise that helps improve explosive power and lower body strength. The answer "all of the above" is correct because a depth jump can be followed by any of the mentioned exercises - squat jump, lateral movement, long jump, or single leg jump. These exercises can further enhance power, agility, and overall athletic performance.Rate this question:
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- 18.
Which exercise is most beneficial for a baseball player to perform
- A.
Power drop
- B.
Two-hand overhead throw
- C.
Single arm throw
- D.
Chest pass
Correct Answer
C. Single arm throwExplanation
The single arm throw is the most beneficial exercise for a baseball player to perform because it specifically targets the muscles used in throwing, such as the rotator cuff and the muscles in the arm and shoulder. This exercise helps to improve throwing power, accuracy, and overall arm strength, which are crucial for a baseball player. The single arm throw also helps to develop proper throwing mechanics and technique, making it an essential exercise for baseball players to incorporate into their training routine.Rate this question:
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- 19.
During the concentric phase of the stretch-shortening cycle __________ stimulate the agonist muscle group.
Correct Answer
alpha motor neuronsExplanation
During the concentric phase of the stretch-shortening cycle, alpha motor neurons stimulate the agonist muscle group. Alpha motor neurons are responsible for initiating muscle contractions by sending signals from the central nervous system to the muscle fibers. In this phase, the muscle is actively shortening and generating force to produce movement. The alpha motor neurons activate the agonist muscle group, which is the primary muscle responsible for the desired movement.Rate this question:
- 20.
Which one of these factors should NOT be assessed before starting a plyometric program
- A.
Balance
- B.
Body composition
- C.
Strength
- D.
Speed
- E.
Technique
Correct Answer
B. Body compositionExplanation
Body composition refers to the proportion of fat, muscle, and other tissues in the body. While assessing body composition is important for overall health and fitness, it is not directly related to determining whether someone should start a plyometric program. Plyometric exercises focus on explosive movements and increasing power, so factors such as balance, strength, speed, and technique are more relevant in determining readiness for a plyometric program.Rate this question:
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Mar 22, 2023Quiz Edited by
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Apr 09, 2010Quiz Created by
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