“…In this sense, the greater the angle of inclination, the greater the weight that falls on the neck joints, being 12 kg at an angle of 15 degrees, 18 kg at an angle of 30 degrees, 22 kg at an angle of 45 degrees, and 27 kg at an angle of 60 degrees [1], [2], [5], [6], [9], [10]. As a result, the user may experience many ailments ranging from neck pain, neck stiffness, reduced mobility, headaches, postural disturbances, rounded shoulders [1], [6], [7], [10].…”