Articles tagged #Hiit on Vitalspell.
HIIT for older adults cut fat without reducing lean mass in a six-month trial, but the effect was small and the workouts were supervised.
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.
