There are so many good reasons to workout regularly, and a hotter sex life is just the cherry on top of them all. The results of exercise—a tighter, stronger bod—can seriously boost your confidence in bed, plus the feel-good endorphins released by a sweat session can put you in the mood for some post-workout action between the sheets.

But that's not all.

“Building strength in your core and pelvic floor muscles can make your orgasms more powerful," says Sadie Kurzban, founder of 305 Fitness. "Plus, a stronger upper body and lower body are important for stamina in fun but sometimes hard-to-stay-in positions like cowgirl."

Read on for the seven exercises trainers swear by for a more satisfying sex life.