@Article{ Olivares,

author = { Jesús Olivares Jabalera } ,

title = { Time to Move From Mandatory Stretching? We Need to Differentiate ¿Can I?¿ From ¿Do I Have To?¿ },

journal = { Frontiers in Physiology },

year = { 2021 },

volume = { 12 },

pages = { - },

}