animations that are made to be loops work on both hands.
animations that are not only work on right hand jumps
with the default jump loops sometimes the loop will change randomly, no idea what causes it
there also does seem to be a default jump loop that happenes, which is slightly different to the normal one.
when I was testing I found that some animation can affect the jump height too, I changed the far jump animation to the begin jump and I couldn't jump which was weird because the variables were unchanged, but when I changed in to the loop animation, I jumped then the loop animation happened and I got sent higher in the air like a double jump