Four by Four (fa7b3d) — ASO

Yayıncı Bhavik Patel AppTrack Ninja’da.

Norwegian 4x4 interval training is the gold standard for improving VO2 max -- and Four by Four is the only app built specifically to coach you through every second of it, live from your Apple Watch. The protocol is simple: four rounds of 4-minute high-intensity intervals at 85-95% of your max heart rate, separated by 3-minute active recovery periods. Researchers at the Norwegian University of Science and Technology proved this method delivers dramatic cardiovascular gains in just weeks. Four by Four turns that science into a guided workout you can do anywhere. HOW IT WORKS Strap on your Apple…

Kategoriler: Health & Fitness, Lifestyle

için anahtar kelime görünürlüğü, sıralanan arama terimleri ve günlük konum hareketi. Four by Four (fa7b3d).