Tag
#Hiit
Articles tagged #Hiit on Vitalspell.
Norwegian 4x4 intervals raised VO2max more than moderate runs in landmark trial
A 2007 randomized trial in Medicine & Science in Sports & Exercise found four-minute high-intensity intervals raised VO2max 7.2 percent across eight weeks. The same total work at moderate pace produced no change. Two decades of replication has held up the claim.
Rafael Costa5 min read