How to extend out your knee joints when taking off

How to extend out your knee joints when taking off

The following kind of preparing to jump and takeoff can be seen in beginners frequently. ; a hips joint is extended too early and knees detain forward .
It is not good because you cannot jump by extending both hips joint and knees.
The power of jump diminish because you jump with only hips joint.

if you extend hip-joint earlier you cannot jump well

This occurs due to too strong concentration to extend the hip joint or arch the back.
You should delay the timing of extending your hips joint.
To make the start position more bend and the notion of looking forward and waiting would help you avoid this.
By the way, standing front flip type 2 and front flip in which your hip joint closed too early are almost the same as this.
Because, you jump extending not both hips joint and knees.
As for these kinds of front flips , to opposite, you cannot use hip joint though.

In addition, if you extend out your knees, it’s not enough.
A process is also important.
To keep your torso and shins parallel is required.
If you extend your hip-joint earlier, you cannot get more power.
hip-joint and knees should be extended at the same speed

(cf. Keep your torso and shins parallel when jumping)