Ever since Michelle Obama first came into the public spotlight, her famously toned arms have been the envy of women across the nation. In an article the first lady penned for Women’s Health magazine, she urges women to stop making excuses and get routine physicals and screenings.

Obama touted the Affordable Care Act, the president’s signature domestic achievement, and how it requires insurance companies to pay for screenings and preventive services without a co-pay. She also talked about the importance of working out regularly not just to look good but to stay healthy.

“I try to work out most mornings with cardio and weights. I also add yoga into my routine when I can, because as I get older I know it's essential for my flexibility and mobility,” Obama wrote. “I want to be as healthy at 75 as I am now — so I keep on setting, and pushing myself toward, new goals.”

Here’s what the first lady listens to when she hits the gym:

Stevie Wonder: “Signed, Sealed, Delivered (I’m Yours)”

Beyoncé: “Move Your Body”

Janelle Monáe: “Tightrope”

Sara Bareilles: “Love Song”

Michael Jackson: “Unbreakable:

Willow Smith: “Whip My Hair”

Beyonce: “I Was Here”

Chubb Rock: “Treat ‘Em Right”

Ledisi: “Thank You”

Jennifer Lopez: “Get Right”

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(Photo: Brandon Wade/Getty Images for USOC)