Right now, you’re probably gaining weight. Really. The typical adult puts on nearly a pound a year, research shows. Luckily, to put the brakes on a slowly-growing waist, you don’t have to totally overhaul your exercise routine, says Scott Weiss, PhD, exercise physiologist and strength and conditioning specialist in New York. Instead, use these expert-backed workouts and tips to crank up your calorie expenditure without killing yourself or clocking in extra gym time. No matter your preferred mode of sweating — rowing, running, yoga, or CrossFit — we’ve got a workout that will torch more calories in less time.