I like doing 25-minute intervals on the treadmill. I go back and forth with running and fast walking and keep changing the incline to high and low. Then I do 15 minutes of lifting light weights and all different kinds of sit-ups, squats, and stretches. I do this routine four days a week.

Colbie Caillat

Gym sessions will always consist of 40 minutes to one-hour cardio. I try to stay off the treadmill because of the pounding, so it's the rower or the cross-trainer.

Adebayo Akinfenwa

I try to push myself a little every day. For me, it's doing 10 more seconds of whatever I'm working on. So if I'm on the treadmill sprinting my butt off or doing a grueling core workout, I think to myself, 'You can do 10 more seconds, and you'll be that much mentally stronger.' After a while, those 10 seconds add up!

Alex Morgan

Me and my brother are players that spend three to four hours in the gym every day doing running, lifting heavy weights, and doing treadmill stuff.

Alexander Zverev

Samuel Johnson called it the vanity of human wishes, and Buddhists talk about the endless cycle of desire. Social psychologists say we get trapped on a hedonic treadmill. What they all mean is that we wish, plan and work for things that we think will make us happy, but when we finally get them, we aren't nearly as happy as we thought we'd be.

Alison Gopnik

I love to eat and I don't believe in denying myself, so I have to work out. I'm not obsessed with it, I don't have a trainer or do any of the fancy classes, but I usually put on my iPod and run on the treadmill for an hour a few days a week.

Amber Rose

I love to eat, and I don't believe in denying myself, so I have to work out. I'm not obsessed with it; I don't have a trainer or do any of the fancy classes, but I usually put on my iPod and run on the treadmill for an hour a few days a week. I'd much rather be the girl who worked out more so she could eat more; I could never not eat.

Amber Rose

I just don't do the treadmill; I hate that. I do Pilates and yoga. I've recently joined aerial Pilates; you're in the air and with straps. It's crazy fun.

Amy Jackson

I try to walk at least three times a week for 40 minutes or an hour. I do it at the gym on the treadmill, or I go hiking outside.

Ana de la Reguera

I'm sick of the treadmill.

Andrea Martin

If I'm on set and there's no other option, I get on a treadmill, but that's my most hated thing.

Anna Kendrick

I have a punishing workout regimen. Every day I do 3 minutes on a treadmill, then I lie down, drink a glass of vodka and smoke a cigarette.

Anthony Hopkins

I'd rather enjoy meals, order bottles of red wine and eat creme brulee at the end of dinner. Then, when they call you for a photo shoot, you just go, 'Okay, time to hit the treadmill.'

Armie Hammer

It is no doubt technically possible to study metabolism and respiration of fishes during swimming at a constant rate, and of certain insects and birds during flight, and to obtain information similar to that obtained on man during work on a bicycle ergometer or a treadmill.

August Krogh

I'm really self-conscious if I go to trainers, so I just do stuff on my own. I go on the treadmill or do yoga and Pilates if I can.

Bella Hadid

Leisure time is only leisure time when it is earned; otherwise, leisure time devolves into soul-killing lassitude. There's a reason so many new retirees, freed from the treadmill of work, promptly keel over on the golf course: Work fulfills us. It keeps us going.

Ben Shapiro

If you don't have the energy or time to walk your dog, what I recommend is a doggie treadmill. It takes a little while to get the dogs accustomed to it and they are expensive, but if you're looking for a lavish gift for a dog that's fat, it's really great.

Beth Ostrosky Stern

Even though it doesn't look like it, I run. On a treadmill. And I bounce around to all the songs on my iPod - the Pixies, Wagner, Richard and Linda Thompson, even books on tape. Just not self-help ones.

Bill Hader

I was a good baseball player. I still play a couple of times a week as part of my daily workout. Just throwing the ball, running around, fielding ground balls, you know. It's better to me than being on a treadmill or some sort of Zumba class.

Billy Crystal

I walk. I do the treadmill; I walk around the mall. I do a little crunches with my stomach, not that much. Just enough to get the engine going cha-cha-cha-cha-cha-cha! Vroooommmmm.

Biz Markie

The treadmill and the damn elliptical - they get so boring to me.

Brian Urlacher