Lungs full of crap - can't breathe well

Bike Trainer - 10 min warmup
Cambered Bar Squats - 115-135-155-175-205# x 5
2 3/8" Barbell DL - 120 -165# Conventional
Curls - 30# DBs x 30 L&R
*** Double Slim Lever 12# hammers (actual 12.5) on mat - no raised pad***
***Nail thru a board (1") ***
***Deadlift 45# York Blob ***
***Dumbbell Curl 60# DB L&R***