Squat Wedge Block 3 PCS Adjustable Non-Slip Rubber Squat Ramp For Better Squat Performancehelps you maintain proper posture and prevents muscle damage caused by poor posture by raising your heels and releasing pressure on your lower back, knees and hips. Improve your balance and coordination, and increase your training efficiency. Widely usedhttps://youtu.be/rhZo7LKoDFkknee strengthening exercises, such as weight lifting, hard pulls, smith squats, barbell lunges, bulgarian split squat, calf stretches.physical therapy such as recovery and prevention of plantar fasciitis, Achilles tendonitis relief for heel spurs, shin splints, Achilles tendon injuries, shin splints, calf strains and other foot and ankle injuries and pain.For Better StretchThe wedge can be used as calf stretcher slant board and it's helpful to stretching before/after workout. Increase blood flow. Adjustable height maximizes the effectiveness of stretching and decreases overall tightness in muscles.