Arnold used single-joint movements to complement overhead presses and isolate each delt head individually. Here, too, he sought subtle differences that would, over time, build better overall size. For example, the cable lateral raise in front of the body has a slightly different feel than when the cable runs behind you. Knowing how to do a given movement pattern on different pieces of equipment is, according to Arnold, essential for a bodybuilder to take his physique to the next level.
For every person who lifts weights these days, it seems there are two who have a podcast about it. There are more bodybuilding tips promising greater strength and muscle than ever before, and along with them a ton of confusion; one buffed-up Instagrammer says lifting heavy will get you swole, while a well-known fitness personality has claimed in recent years that two 30-minute workouts per week netted him 34 pounds of muscle in a month.