Did anyone even know what an intercostal was until recently??
Ya me cause I f-ed mine up a few years ago and after countless trips to the ER thinking was having a heart attack they figured it out. Of course the just take Advil for the pain gave me an ulcer that made me lose 25lbs. They obviuosly have better trainers but way to many PT appointments and 5 years later I still cant lift anything heavy over my head or pull like a post out of the ground without pain for a few days. Same reason I had to quit bowhunting and got a crossbow permit.