Every Late August and into September, I ditch all core training.
It’s not because I’ve trained the core super hard in June and July to look good on the beach and now need a break.
It’s because of this:

No, this isn’t a marijuana plant that I harvest and get baked on and do nothing, that’s not why I stop training the core.
It’s because I’m really allergic to ragweed and I can’t stop sneezing. I always sneeze at least 3 times, sometimes up to 5 times, and if my allergies get really bad, I’ll repeat this vicious cycle of maximal abdominal contractions every couple of minutes.
This last Friday was particularly terrible, so bad that I felt mentally foggy, my body was tired, and I was all stuffy and puffy-eyed. And I missed my scheduled workout.
But here’s what I did instead, and what you can do the next time you feel like crap but you’ve got a training session scheduled: