I can't promise you won't break a sweat, especially in hot, humid climates, but "no dig" gardening is much easier than dragging out the shovel to turn the soil and get your garden ready for planting.
Many gardeners are using no dig beds. I follow several gardeners on YouTube, one of which is in England. His yard is comprised of nothing but these beds and the plants he grows are incredible. No dig ...
"No dig" gardening is a system of layering organic materials to create nutrient-rich soil ready for planting. A "no dig" garden area should be prepared several weeks before you are ready to sow seeds ...