In the October 2011 issue of Guitar World magazine, you can find the fourth installment of "Mega Bass" column penned by David Ellefson. This month's column, "Back To Bass-Ics", focuses on tips for bassists and guitarists to avoid injury. The following is an excerpt from the column: "You need a moderate level of physical fitness to play bass or guitar properly. An instrument's size, length and weight place unique demands on a player, and some musical styles put an even greater strain on the player's body, muscles and joints. ..For this month's installment of Mega Bass, I decided to check with a chiropractor to get advice on how we can keep our chops and our bodies healthy." The magazine is out on newsstands now.