Using 1*20 Principles on The Field

Most of the info you want is in the video. Below will help with the classification of jumps.

Jump Terms:
Jump = double leg take off / double leg landing

Leap = single leg take off / opposite single leg landing

Hop = single leg take off / opposite single leg landing

Jop = double leg take off/ single leg landing

Reverse Jop = single leg take off/ double leg landing

Jump Directions:
Up
Forward
Backward
Right Lateral
Left Lateral
Rotational 90 degrees
Rotational 180 degrees

Jump GCT: 
Catch
Bounce
Continuous


With respect to the GPP phase, base it off how long the athletes were away from you and the document from the NSCA and CSCCa.

https://www.nsca.com/about-us/position-statements/safe-return-to-training/?srsltid=AfmBOoo_3MoCcJS1hdGPfk_qlqoTu3qdK7ukFmhpbUUO42IXux82dqIm

^^Here is the article for safe return joint statement by NSCA and CSCCa^^