ChaoticNeutralCzech@lemmy.ml to Fitness@lemmy.worldEnglish · 3 months agoOn HIIT timers, why does "F" stand for "work" and "C" for "rest"?ae01.alicdn.comimagemessage-square0fedilinkarrow-up11arrow-down10file-text
arrow-up11arrow-down1imageOn HIIT timers, why does "F" stand for "work" and "C" for "rest"?ae01.alicdn.comChaoticNeutralCzech@lemmy.ml to Fitness@lemmy.worldEnglish · 3 months agomessage-square0fedilinkfile-text