When you Tenderize meat with a meat tenderizing mallet it softens the meats fibers.
When the meats fibers are softened it makes the meat easier to chew and to digest.
Tenderizing meat is done by using a meat tenderizing mallet and it's like a hammer but for meat and you pound the meat by working back and forth around the meat and flipping the meat over and making sure to pound the meat on both sides for a few minutes.
Then when done you cook it like normal and it will be much more tender and easier to chew the meat.
If you have tough meat that is hard to chew and digest then it can be worth the effort to tenderize the meat to make it easier to chew and digest.
I always tenderize any tough meat so that it's easier to chew and digest otherwise I have a hard time chewing the tough meat if it's not tenderized first.