What are the benefits of this training?
You can do it with OP's mom for free.
>>75731566>no chest>no back>no calvesNGMI
>>75731610women don't care about any of that
>>75731630What do you think women care about?
>>75731566Probably really good for posture and back mobility. My ass lower back have a lot of strength but endurance is not one of their strong suits. This is probably the only groups of muscles I'd train in the endurance range unless it's for a sport.
>>75731566More sex