Suppose you wish to make a vertical leap with the goal of getting your head as high as possible above the ground. At the top of your leap, your arms should be...
a. held at your sides.
b. raised above your head.
c. outstretched, away from your body.
the answer is A. I tried it.
The correct answer is b. raised above your head.
When making a vertical leap with the goal of getting your head as high as possible above the ground, it is recommended to raise your arms above your head. This can help increase the height of your jump by utilizing the momentum generated by your arms swinging down and then up. By extending your arms above your head at the top of your leap, you can maximize the height you reach.
To determine the correct answer, let's understand the biomechanics of a vertical leap.
When jumping, the body generates force through the legs to propel itself off the ground. This force is primarily produced by the muscles in the lower body, particularly the quadriceps, hamstrings, and calves.
To maximize the height of your jump, you need to optimize the use of your arms. The arms play a role in the jump by assisting in generating momentum and upward force. They contribute to the kinetic chain, where force is transferred from one body segment to another.
In the context of a vertical leap, the correct answer to the question is b. Raised above your head.
When you jump, raising your arms above your head helps in the following ways:
1. It increases the range of motion: The upward movement of the arms adds to the overall range of motion, allowing you to exert more force during the jump.
2. It aids in balance: Extending your arms above your head helps maintain balance and control throughout the jump, preventing any unwanted sideways movements.
3. It assists with momentum: The swinging action of the arms in conjunction with the leg drive creates a coordinated movement, generating additional momentum to propel you higher.
So, to maximize your vertical leap, it is recommended to raise your arms above your head during the jump.
http://basketball.lifetips.com/cat/59049/vertical-jump/index.html
Ans. b