An ergonomic slant board designed to boost flexibility, mobility, and balance while supporting proper squat positioning. It helps relieve tension in calves, Achilles tendons, and ankles for smoother movement. Improves squat depth and posture: stable heel elevation guides you into a deeper, safer squat and helps reduce knee strain. Calf and ankle relief: targeted stretch assists with calves, Achilles, and ankle stiffness during warmups and recovery. Versatile stretching and rehab tool: supports lowerbody strength, improves circulation, and eases tightness in muscles, tendons, and joints. Durable, nonslip design: quality, nonslip surface and base provide secure footing for workouts in home gyms, studios, and rehab centers. Compatibility and performance: works with most athletic footwear and common weightlifting routines; suitable for everyday training and progressive mobility work. 23 practical use scenarios: Warmup: place the board under the heels to improve ankle mobility and achieve better squat depth before lifting. Mobility session: use during calf and ankle stretches to loosen tightness and enhance range of motion. Rehab or recovery day: integrate into a lowimpact routine to maintain movement and support gradual strength gains.