We earn a commission for products purchased through some links in this article. Why Trust Us? As runners, we have loads of reasons to thank our legs. They carry us through every stride, whether they like it or not, and they experience thousands of impacts with the ground every time we lace up our trainers and tap out a jog. Ultimately, those impacts add up over time. And if you’re not taking time to strengthen key areas like your calves, ankles, and knees, you might end up with some underdeveloped mobility, which isn’t ideal if you’re a high-mileage runner. If avoiding injury is a goal of yours, try a slant board: a multi-use tool for your gym that can yield more targeted gains from your leg workouts. Often simple in their construction, and sometimes made up of only wooden boards and some triangular wedges, slant boards provide an angled surface that you can stand on to place your calves or shins in a more stretched-out position.…