What must happen with the right foot for the pelvis to turn freely to the left?

Keep the right foot flat on the ground

What is the ideal movement sequence of the body when hitting harder and safer?

pelvis, shoulder, right arm, left arm

Volleyball Power Hitting IQ

1.

In the Draw & Tilt, what do the shoulders do?
- A.
  
  Do the same as the left hand
- B.
  
  Tilt upwards
- C.
  
  Remain parallel to ground
Correct Answer
B. Tilt upwards

Explanation
The correct answer is "Tilt upwards." In the Draw & Tilt activity, the question is asking about the movement of the shoulders. The shoulders are instructed to tilt upwards, which means they should move in an upward direction. This movement is different from doing the same as the left hand or remaining parallel to the ground.

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2.

In the Draw & tilt, what muscles play a key role in opening the chest and stretching the chest muscles?
- A.
  
  Lower back
- B.
  
  Shoulders and upper traps
- C.
  
  Abs, lower back and core
- D.
  
  Abs and shoulder blade muscles
- E.
  
  Shoulder blade muscles
Correct Answer
E. Shoulder blade muscles

Explanation
The shoulder blade muscles, also known as the scapular muscles, play a key role in opening the chest and stretching the chest muscles. These muscles include the rhomboids, trapezius, and serratus anterior. They help to stabilize and move the shoulder blades, allowing for proper alignment and movement of the upper body. By activating and strengthening these muscles, the chest can be opened and the chest muscles can be stretched effectively.

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3.

What must happen with the right foot for the pelvis to turn freely to the left?
- A.
  
  Flex the right calf muscles
- B.
  
  Turn the heel to the sky
- C.
  
  Keep the right foot flat on the ground
- D.
  
  Lift the right knee
Correct Answer
B. Turn the heel to the sky

Explanation
To allow the pelvis to turn freely to the left, the right foot must turn the heel to the sky. This movement helps to create external rotation in the hip, allowing the pelvis to rotate without restriction. By turning the heel upward, the foot and leg are positioned in a way that promotes a greater range of motion in the pelvis, enabling it to rotate more easily to the left.

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4.

In the Elbow Up movement, what should the shoulders do?
- A.
  
  Tilt up
- B.
  
  Stay level
- C.
  
  Tilt to athlete's right
- D.
  
  Tilt to athlete's left
Correct Answer
D. Tilt to athlete's left

Explanation
In the Elbow Up movement, the shoulders should tilt to the athlete's left. This means that the left shoulder should be raised slightly higher than the right shoulder. This movement helps to create the proper alignment and positioning for the elbow to be raised up, which is important for certain sports techniques or exercises.

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5.

In the Hand Up movement, the right wrist should be held firm to use the strength of the forearm muscles to hit harder?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
In the Hand Up movement, the power comes from the rotation of the hips and the transfer of weight from the back foot to the front foot. The wrist should not be held firm as it restricts the natural movement and rotation of the arm, which reduces the power generated. Instead, a loose wrist allows for a whip-like motion, maximizing the speed and force of the hit. Therefore, the statement is false.

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6.

In regards to arm action, to improve flexibility and speed of movement in the shoulders, encourage the hitter to work on touching the hands together in front and in back of the body.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Encouraging the hitter to work on touching the hands together in front and back of the body will not improve flexibility and speed of movement in the shoulders. This action may actually restrict the movement and limit the range of motion in the shoulders. Therefore, the correct answer is false.

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7.

The faster the approach the higher the athlete will jump; so always work on performing the approach movements faster to increase speed and vertical?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The explanation for the correct answer is that while a faster approach can increase the speed and momentum of the athlete, it does not guarantee a higher jump. Other factors such as technique, strength, and timing also play a significant role in achieving a higher vertical jump. Therefore, simply focusing on performing the approach movements faster may not necessarily lead to an increase in vertical jump height.

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8.

In the approach, what is the position of the lower back as the athlete loads the hips?
- A.
  
  Straight for injury prevention
- B.
  
  Extending for maximal power
- C.
  
  Slightly rounded forwards
Correct Answer
C. Slightly rounded forwards

Explanation
During the loading phase, the position of the lower back is slightly rounded forwards. This is because a slight rounding of the lower back helps to engage the core muscles and stabilize the spine, allowing for better force transfer and power generation. It also helps to maintain a more efficient and balanced position, reducing the risk of injury. However, it is important to note that excessive rounding or flexion of the lower back can be detrimental and increase the risk of injury, so a slight rounding is ideal for optimal performance and injury prevention.

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9.

What is the ideal movement sequence of the body when hitting harder and safer?
- A.
  
  Pelvis, arm, hand
- B.
  
  Shoulder and hand at same time
- C.
  
  Pelvis, shoulder, right arm, left arm
- D.
  
  Pelvis, shoulder, arm
Correct Answer
D. Pelvis, shoulder, arm

Explanation
The ideal movement sequence of the body when hitting harder and safer is to first engage the pelvis, followed by the shoulder, and then the arm. This sequence allows for the generation of power from the lower body through the rotation of the pelvis, which is then transferred to the shoulder and arm. By initiating the movement from the pelvis, the body is able to generate more force and maintain stability, resulting in a harder and safer hit.

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10.

Most hitting-related shoulder injuries occur as the arm is rapidly accelerating forwards?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
False. Most hitting-related shoulder injuries occur as the arm is rapidly decelerating or stopping, not accelerating forwards. When a person swings their arm to hit something, the muscles and tendons in the shoulder undergo a lot of stress as they work to slow down the arm's movement. This can lead to injuries such as rotator cuff tears or shoulder impingement.

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Volleyball Power Hitting IQ

In the Draw & Tilt, what do the shoulders do?

In the Draw & tilt, what muscles play a key role in opening the chest and stretching the chest muscles?

What must happen with the right foot for the pelvis to turn freely to the left?

In the Elbow Up movement, what should the shoulders do?

In the Hand Up movement, the right wrist should be held firm to use the strength of the forearm muscles to hit harder?

In regards to arm action, to improve flexibility and speed of movement in the shoulders, encourage the hitter to work on touching the hands together in front and in back of the body.

The faster the approach the higher the athlete will jump; so always work on performing the approach movements faster to increase speed and vertical?

In the approach, what is the position of the lower back as the athlete loads the hips?

What is the ideal movement sequence of the body when hitting harder and safer?

Most hitting-related shoulder injuries occur as the arm is rapidly accelerating forwards?