With summer now in full swing, millions of Americans are heading out into their gardens for the age-old tradition of grilling, though one group seems to be omitted from the fun-packed activity. While some Americans would prefer to curl up in front of the fire with a good book, most enjoy battling the heat during the summer months. Whether you’re a gardener with a green thumb for propagation, or a fitness freak with a love of garden workout equipment, June onwards provides ample opportunities for fun and relaxation. Grilling is a male-dominated activity, according to a new surveyThere’s arguabl…