“…In vocal warm-up, it was noted that the recommended exercises were cervical relaxation 12 , nasal sounds 7,8,12,17 , voiced fricative sounds 7,12,15,17 , vibrant sounds of tongue or lips 7,9,10,12,15,17 , stretching 7 , rotation of shoulders and head 7,17 , orofacial organs exercises (tongue rotation, beak-smile, kiss) 7 , over-articulation of vowels 10 , hyperacute sound 16 , basal sound 10 , lip constriction 10 , glottal firmness 10 , ascending scales 10,12,17 and association of nasal sounds and body movements hydration and after running, as well as there was a recommendation to apply the warm-up in a ludic way with children 15 .…”