WOD: “Death by Pullups”
With a continuously running clock do one pull-up the first minute, two pull-ups the second minute, three pull-ups the third minute… continuing as long as you are able.
Use as many sets each minute as needed.
After failure, work on hollow rocks. See how long you can hold one, write it down, and compare in the future. This is an amazing core strengthening tool.
Article: “Is All Cheese Created Equal?“, Marks Daily Apple.
“The answer to that question is (hopefully) pretty obvious, but I’ll still explain why.
Short answer: No.”