Acute Effects of Various Stretching Techniques on Range of Motion: A Systematic Review with Meta-Analysis oleh David George Behm, Shahab Alizadeh, Abdolhamid Daneshjoo, Saman Hadjizadeh Anvar, Andrew Graham, Ali Zahiri, Reza Goudini, Chris Edwards, Robyn Culleton, Carina Scharf, Andreas Konrad