jumps

X jump/spread eagle, this is where your arms are in a high "v" and your legs are spread apart.

pencil/t/straight jump, this is where you jump straight with your arms straight above you.

toe touch, is when your legs are out to the side (straddle) your toes are pointed and your arms are in a "t".

tuck, is when your legs are bent and your thighs are close to your chest and your arms are in a high "v".

hurdler:
front, is when you have one leg straight in front of you and your arms are in a touch down.
side, this is where one leg is out straight to the side and the other leg is bent on the other side your arms are in a "t".

pike, this is where you have both feet in front of you and your arms are in a touch down, but they're in front of you.

double hook, is when both your legs are bent to the side.