Should I stretch these muscles everyday I've noticed when doing reach and sit it's hard and i can't get legs all the way near lock out in the penudlum side to side with my legs. Will stretching everyday help this?
Yes stretch everyday!
To stretch your hamstrings easily,take a beach towelfold hot dog style several timestake an end in each handput around footlay downpull up!
Flexibilty is key in pitching. Make sure to stretch out every day.
I'm sure someone with a more extensive background on here will post something to back this up.
eric cressey wrote an article about deep tissue stretching and it is on tnation somewhere