TOM CLIFFORD: Now I'm going to demonstrate how to do shoulder laterals with the stability ball. As when you sit down on a stability ball, you want to have your butt centered on the ball, alright? So you're not wheeling all over the place, back flexed in and abs tight, alright? Do not slouch over on the ball like this, that's bad posture. Alright so, sit proper, alright? Back flexed, alright, abs tight. I'm using five pound dumbbells for this. I'm going to put the five pound dumbbells on each side, dumbbells on each side of you. You'll come straight out with your arms, three seconds up, three seconds down. You don't want to go any higher than your shoulder--shoulder height, right? So, I'm going about shoulder height, okay, and then bringing it down, nice and slow, about three seconds up, three seconds down. When you get up to the top, you can hold it for more resistance, depending on the level of advancement that you're at. So if you hold it here for five seconds then bring it down, that's another way to do this exercise. So again, when doing shoulder laterals with the stability ball, you want to keep your back flexed, your abs tight, your shoulders relaxed, you want to bring your arms up to about shoulder height, hold for resistance and bring it down, three seconds up, three seconds down. When doing shoulder laterals, repetition amount depends on the amount of weight you have but for heavier weight between eight and ten reps is about right and for a lighter weight, about 10 to 15 to 20 reps will work about three to four sets.