my arms fell off

warm up:
5 sets of 20 air squats (30 second rest in between)

3 sets of 5 jump squats (30 second rest in between)

phase 1:
10 sets of
10 pushups
10 push press (2 15 lb dumbells)

phase 2:
5 sets of 3 minutes of continuous exercises (snatch, swing, jerk, push press, snatch) with a 25 lb dumbell...
can switch hands at any point during the 3 mintues.
1 minute rest between sets.