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...

Question

a. held at your sides.
b. raised above your head.
c. outstretched, away from your body.

Answer 1

http://basketball.lifetips.com/cat/59049/vertical-jump/index.html
Ans. b

Answer 2

the answer is A. I tried it.