I’ve tried that for years and there is always a massive reversal..get smaller and weaker every single time.you would serve yourself better if you reversed that.
do heavy stuff first, then lighter.
by doing high reps first you are gonna burn out glycogen in the muscle which is EXACTLY what fast twitch intense lifting uses for energy.
so when you get to the heavy lifting there is no glycogen for ATP if i remember right... so your canabolizing muscle tissue during those heavy intense sets. cuz there is no glycogen to get energy from and not enough oxygen (anaerobic) so..... not good imo.
There is a reason the 20 rep squats routine works