love the testosterone articles, but i have a problem, i have no idea what hamstrings, glutes, hipflexors and alot of other parts of the body, are. is there some educational page i can study?
great, thanks man!
love the testosterone articles, but i have a problem, i have no idea what hamstrings, glutes, hipflexors and alot of other parts of the body, are. is there some educational page i can study?
great, thanks man!