Train Your Whole Body at Home with the Tabata Protocol

Four bodyweight Tabata blocks, one exercise each, are only worth something if the twenty seconds of work get close to your max. This session is built around that condition.

• How the twenty-seconds-on, ten-seconds-off format works, and where it comes from.
• A five-minute warm-up so you’re ready for the first round.
• Four four-minute blocks of squats, push-ups, mountain climbers, and alternating lunges, with form and checkpoints for each.
• Two intensity levels, from low-impact variations to jumping ones.
• The practical signs that tell you whether your twenty seconds are hard enough.
• How often to train and how much space you need: a mat and about six feet of floor.

The first round of squats goes by smoothly. So does the third. By the fifth your thighs start to burn, your breathing gets shorter, the ten-second rest is barely enough to reset your feet, and when the timer kicks off round six it feels like you never stopped. If that’s what’s happening, Tabata is working. The format is famous because it lasts four minutes, and those four minutes only count when every work interval gets close to everything you’ve got.

Twenty Seconds On, Ten Off, Eight Times

A Tabata block is eight rounds of a single exercise: twenty seconds of work, ten seconds of rest, then go again. Eight times thirty is two hundred forty, four minutes exactly. The rest is deliberately too short to recover, and the whole format depends on that “imbalance.” Think of it as an account where you withdraw twenty and deposit ten: every rest pays back less than the round took out, the debt grows, and in the last two rounds you’re working with whatever is left.

The protocol was born on ice. It’s one of the workouts Koichi Irisawa, head coach of the Japanese national speed skating team, had his athletes do, and Izumi Tabata took it into the lab to measure its effects, ending up giving it his name. In the version he studied, subjects pedaled a stationary bike at an intensity higher than the body can sustain on oxygen alone, and they reached exhaustion by the seventh or eighth round.

With bodyweight exercises that level is hard to reach, because in a squat or a push-up your form gives out before your lungs do. That’s why the at-home version is less extreme than the original, just as four minutes don’t replace an hour of training. Still, done properly, it’s one of the most efficient ways to spend twenty minutes at home: all you need is a mat and about six feet of floor, and by the end you’ll have no doubt about how hard you worked. The sweat on the floor will tell you.

Intensity also drives the choice of exercises. You need movements that recruit a lot of muscle mass and can be repeated quickly without losing form, even when you’re tired. The four in this session rotate legs, upper-body pushing, core, and legs again, so the fatigue from one block weighs as little as possible on the next.

The Warm-Up Before the First Block

Tabata goes hard from the very first second, so you need to show up already warm. Five minutes with no breaks between movements is enough. Start with a minute of marching in place, bringing one knee at a time up toward hip height and swinging your bent arms along, slowly at first and faster over the last twenty seconds. Then thirty seconds of big arm circles forward with straight arms and thirty backward, with the movement coming from your shoulders and your torso still.

Next, run through the session’s exercises in slow motion: ten squats, three seconds down and one second up, then five reverse lunges per leg, using the same technique we describe below. Finish with thirty seconds at the top of a push-up, arms straight, lifting one hand at a time to tap the opposite shoulder without letting your hips rotate. The last step is a test round: twenty seconds of brisk squats, to get a feel for the timer’s rhythm before things get serious.

The Four Blocks of the Circuit

Set an interval timer for eight rounds of twenty seconds on and ten off, and prop your phone on the floor where you can see it without turning your head. Between blocks you get one minute of rest: walk around the room, breathe deeply, take a sip of water, but stay on your feet. Four blocks plus three minutes of rest comes to nineteen minutes of work.

Squats — 8 rounds
Feet shoulder-width apart, toes turned slightly out. Lower by sending your hips back and down, as if sitting on a chair lower than usual, until your thighs are parallel to the floor or as low as you can go with your heels down. Knees track in the direction of your toes, chest stays up, and you drive back up by pushing the floor away with your whole foot. At high speed, depth is the first thing to go: if your squats get shallower round after round, you’re counting reps that are worth half.
Base level: brisk squats, no jump. Advanced level: jump squats, where you drive up explosively from the bottom until your feet leave the floor, land softly on the balls of your feet letting your heels come down, and flow straight from the landing into the next descent. If lowering down is already a struggle at a slow pace, it’s worth fixing your squat technique before speeding it up.

Push-ups — 8 rounds
Hands on the floor slightly wider than your shoulders, arms straight, body in a line from head to heels with abs and glutes engaged. Lower by bending your elbows, keeping them at about forty-five degrees from your torso instead of flaring them into a T, until your chest is an inch or two from the floor, then press back up until your arms are straight again. The checkpoint to watch is your body line: if your hips sag or pike up, the work has shifted from your arms to your back. For many people, this is the block where reps drop fastest.
Base level: knee push-ups, with your knees on the mat and a straight line from knees to head, same technique for everything else. Advanced level: full push-ups on your toes. If even knee push-ups are a struggle, put your hands on the seat of the couch: the higher your hands, the lighter the movement.

Mountain climbers — 8 rounds
Start at the top of a push-up, hands under your shoulders and arms straight. Drive one knee toward your chest, bring it back, and as you do, bring the other one forward, alternating without stopping. Hips stay level with your shoulders and shoulders stay over your hands: if your butt rises into a tent, the movement gets easier and stops working your core. From the outside it looks like a leg exercise, but your abs and shoulders are what hold everything in place, and by round three you’ll feel it.
Base level: slow mountain climbers, one knee at a time, touching your toes to the floor before switching. Advanced level: fast mountain climbers, with your feet switching in a small hop, as quickly as you can without losing your hip position.

Alternating lunges — 8 rounds
Stand with your feet hip-width apart. Take a long step back with one leg and lower until both knees are bent at about ninety degrees, the back knee hovering just above the floor without touching it. Your torso stays upright and your weight sits on the heel of the front leg: push through that foot to return to standing and repeat on the other side. A reverse lunge takes up less space than a forward lunge and is easier to control as fatigue sets in. The front knee stays in line with your foot and doesn’t cave inward; if you lose your balance, slow down until you find it again, even if it costs you a few reps.
Base level: alternating reverse lunges, no jump. Advanced level: jumping lunges, where you drive up from the bottom position, switch legs in the air, and land straight into a lunge with the other leg forward, lowering softly.

Once the last block is done, walk around the house for two or three minutes, until your heart stops pounding in your ears. Then two thirty-second stretches per side. Standing, grab one ankle behind you and pull your heel toward your glute, knees close together, for the front of your thigh. Then kneel on one knee with the other foot planted in front, and shift your hips forward without arching your back, for the front of your hip.

Two Intensity Levels

The base level uses the low-impact variations: squats without a jump, knee push-ups, slow mountain climbers, and reverse lunges. If eight rounds with ten seconds of rest are still too much, stretch the rest to twenty seconds: each block then lasts five minutes and twenty seconds, and the session gets just over five minutes longer. Strictly speaking, it’s no longer Tabata; it’s a step on the way there. Once you finish two sessions in a row with all eight rounds and clean form, go back to ten seconds.

The advanced level uses the jumping and full-load variations: jump squats, full push-ups, fast mountain climbers, and jumping lunges. Jumps raise the intensity without any equipment, and they’re also the part of the session your downstairs neighbor will hear: on a hard floor, a mat and soft landings are good for both of you.

You can mix levels exercise by exercise. Jump squats and knee push-ups in the same session are a perfectly normal combination, because legs and arms rarely have the same strength. One rule holds throughout: the base level pushed to the limit trains you more than the advanced level done halfway, and picking the easier variation to make it through round eight is exactly what a good coach would have you do.

Two or three sessions a week, on non-consecutive days, is the right frequency. After work at this intensity you need a day in between to recover, and a session done on legs that still feel heavy slides into a circuit that wears you out without ever getting near your max. If you’ve been inactive for a while or have heart problems, start at the base level and talk to your doctor before training at high intensity.