Foam incline slant boards help stretch your calves and Achilles for relief from plantar fasciitis and during injury recovery. These lightweight blocks are often recommended by physical therapists to strengthen your muscles after a calf, ankle or knee injury and can enhance anyone’s stretching routine. They’re are used during yoga and pilates exercises. When shopping for this piece of equipment, look for styles made with high-foam density for cushioning and a slip-resistant exterior. For deeper stretches, you can stack two boards together to create a higher incline. Here, 3 foam incline slant boards to shop.