Free 10 second Tabata rest timer for the recovery interval in Tabata protocol. Used between 20-second work intervals.
Dr. Tabata's research specifically used 10 seconds because it's too short for any meaningful recovery — heart rate stays elevated, oxygen debt accumulates, and lactic acid continues building. This sustained metabolic stress across 8 rounds is what produces the EPOC (excess post-exercise oxygen consumption) that makes Tabata so effective for both aerobic and anaerobic conditioning.
Yes for healthy adults performing appropriate exercises. The protocol was developed for elite athletes but has been safely adapted for general fitness. The 10-second rest doesn't risk injury — it just ensures maximal metabolic loading. If you feel light-headed or nauseous, extend to 20 seconds and reduce work intensity.
Yes — many beginners and those new to HIIT start with 20 seconds rest (a 1:1 work-rest ratio). This is sometimes called "modified Tabata." You get similar cardiovascular benefits with more recovery. True Tabata purists would call it HIIT rather than Tabata, but the practical benefits are still significant.
After 20 seconds of maximum effort, your heart rate should be at or near maximum. During the 10-second rest it won't drop significantly — maybe 5–10 beats per minute. By round 8, your heart rate should be above 90% of maximum throughout both the work and rest intervals. This sustained cardiac intensity is the protocol's hallmark.
Stay standing in your exercise position during the rest. For burpees, stand upright. For squat jumps, stay in athletic stance. For jump rope, hold the rope ready. The transition from rest to max effort should be instantaneous at the alarm — no walking around, no adjusting equipment. Prepare to go before the alarm sounds.