Hi, in this video i will show you how probably you are using the graph editor in the wrong way and how you should approach it
jump animation: https://www.youtube.com/watch?v=m5mZ-...
attack animation: https://www.youtube.com/watch?v=rdjUg...
volley ball service: https://www.youtube.com/watch?v=afC-e...
how to create a pose: https://www.youtube.com/watch?v=5Dmzx...
the rig i use in this video are from Animation Mentor