Go with what works until it stops working, then switch.
Depending on body type, some people will respond better to higher reps than lower reps. Concentrating on the bigger white muscle fibers doesn't do much good if you have more type II red muscle fibers.
Depending on body type, some people will respond better to higher reps than lower reps. Concentrating on the bigger white muscle fibers doesn't do much good if you have more type II red muscle fibers.