Abdominal exercises progression

https://www.scribd.com/document/1040428097/Cancer-and-make-up-is-there-a-link-165943

Abdominal Exercises Progression<br/>Because of tradition, abdominal exercises are often executed in long sets of 50, 100, or even 200 repetitions. Friends even turn it into a contest:<br/>– “I did 4 sets of 200!”<br/>– “Really? I did 6 of 300