Gradually add more fast intervals with shorter recovery periods. (heart.org)
«HIIT certainly increases metabolism due to its nature of raising heart rates to maximal levels followed by short recovery periods, while usually incorporating multiple muscle groups simultaneously,» says accredited dietitian and nutritionist, Mark Robinson. (womenshealthandfitness.com.au)
VBAC means no major surgery and the associated risks, no long hospital stay and much shorter recovery period. (pregnancy-info.net)