A wild 4th of July hail storm had me raking up downed leaves in the back yard, adding to my list of summer chores. From carrying bags of potting soil to pulling dandelions, winding up garden hoses, and mowing the lawn, the unending yard work engages me both body and mind. And as creaky knees and aching back threaten to undermine my efforts, these summertime tasks continually remind me to move like a martial artist – no matter the task.…