positively regulates positive regulation of cilium movement flagellated sperm motility regulation of flagellated sperm motility positive regulation of flagellated sperm motility upregulation of sperm movement activation of sperm movement upregulation of sperm motility positive regulation of sperm motility up regulation of sperm movement bf up-regulation of sperm motility up-regulation of sperm movement positive regulation of sperm movement activation of sperm motility up regulation of sperm motility Any process that activates or increases the frequency, rate or extent of flagellated sperm motility. positive regulation of cilium-dependent cell motility positive regulation of reproductive process