By Michael Lanza
If you’ve opened this story, you probably already recognize this truth: For backpackers, dayhikers, climbers, mountain runners, and others, trekking poles noticeably reduce strain, fatigue, and impact on leg muscles and joints, feet, back—and really on your entire body. And that’s true no matter how much weight you’re carrying, whether a daypack, an ultralight backpack, or a woefully heavy backpack.