The Japanese habits that keep women strong, and the floor test that shows yours

The problem

Why it got harder, and why it is not your fault

You are busy. Work, family, parents, grandchildren. When you do exercise, it comes in bursts: a new class, a new app, a new pair of trainers. Three weeks of trying hard, then a sore knee or a busy fortnight, and it quietly stops.

Somewhere along the way you were told the answer is the gym. Heavy weights, no pain no gain. Part of you believes it, and part of you would rather do anything else.

Japanese women have the longest life expectancy in the world: 87.13 years in 2024, according to Japan’s health ministry, the top spot for the 40th year in a row. Most of them did not get there in a gym. They walk a lot. Many grew up with a ten-minute morning routine broadcast on Japanese radio since 1928. In traditional homes they sit on the floor and get back up, many times a day. And they are taught to stop eating before they are full.

The West got one big thing right, and that is strength training. Japan got the daily habit right. The problem was never you. You were handed the punishing half of the answer without the daily half that makes it stick.

Technique one

The 3:3 walk

You may have seen this called “Japanese walking”. Its proper name is interval walking training, and it comes from researchers at Shinshu University in Japan.

1. 1Walk fast for 3 minutes: you can talk, but you would not want to sing. About 6-7 out of 10.
2. 2Walk easy for 3 minutes: comfortable and chatty. About 3-4 out of 10.
3. 3That is one round. Build up to 5 rounds, 30 minutes, 4 days a week.

Why it works: the fast minutes ask your legs and heart for more than a stroll does, and the easy minutes let you recover before you have to stop. In the 2007 study and the larger follow-ups, people who walked this way improved their thigh strength and aerobic fitness, and their blood pressure came down, more than people who walked at one steady pace for the same time.

Where it goes wrong is week one. People go too fast, ache for three days and quit. Start with three rounds, add one every couple of weeks, and if your knees grumble, make “fast” mean brisk rather than frantic.

Technique two

The Morning Ten

Taiso simply means exercise. In Japan it usually means radio taiso, a short routine people have done to the same broadcast every morning since 1928. In one survey in the early 2000s, more than 27 million people said they did morning exercises like this at least twice a week.

1. 1Reach up tall and rise onto your toes.
2. 2Swing your arms and bend your knees loosely, like a pendulum.
3. 3Circle your arms, forwards then backwards.
4. 4Open your chest, arms wide.
5. 5Bend to each side.
6. 6Twist gently left and right.
7. 7Bend your knees and come up slowly.
8. 8March on the spot, lifting your knees.
9. 9Stand on one leg for 10 seconds each side, a hand near the counter.
10. 10Three slow breaths, arms rising as you breathe in.

You do not need the radio. You need ten minutes and a rule. Give each move 45 seconds to a minute, and use a sturdy chair for any move if standing is hard today.

The rule is the real technique: tie the routine to something you already do every morning, like the kettle, the coffee machine or opening the curtains. You are not finding ten minutes. You are attaching ten minutes to a habit you already own.

Technique three

The best-of-both week

Most plans fall apart because they ask for everything at once: walk every day, lift three times a week, cut sugar, start yoga. By Thursday it has collapsed. So build the week in layers, in this order.

1. 1Daily: the Morning Ten, every day, including rest days.
2. 2Four days a week: the 3:3 walk.
3. 3Twice a week, never back to back: 20 minutes of home strength. Chair stands, wall or counter push-ups, a band or backpack row, a hip bridge, calf raises, and carrying something heavy-ish across the room.
4. 4Every meal: protein first, then vegetables, and stop at about 80% full (hara hachi bu). Put your fork down halfway and ask whether you are still hungry, or just still eating.

Why this order: the daily layer gets your joints moving and makes you someone who moves every day. The walking builds the engine. The strength sessions build the muscle walking alone does not. And the plate gives that muscle something to be built from.

Do it with AI

Let Claude do the fiddly planning

You can do all of this with a notebook, but an AI assistant like Claude will happily do the planning. Copy these prompts and fill in your own details.

The reveal

The ten-second floor test

It is called the sitting-rising test. Brazilian researchers scored 2,002 adults aged 51 to 80 and followed them for about six years. People who scored lower were noticeably more likely to die during the follow-up than people who scored 8 to 10. That is a pattern across a large group. It is not a prediction about you, and a low score is not a diagnosis.

1. 1Clear floor, socks or bare feet, a sturdy chair within reach.
2. 2Cross one foot in front of the other and lower yourself to sit on the floor, with as little support as you can.
3. 3Stand back up the same way.
4. 4Start at 10 points: 5 for going down, 5 for getting up. Take off 1 for each hand, knee, forearm, side of leg or push on your knee. Take off half a point for a wobble.

Do not do it if you have had a recent joint replacement, if you have osteoporosis with a past fracture, or if you get dizzy getting up.

Why it matters: it measures what Japanese floor life trains every day. Leg strength, hip mobility, balance and confidence, all at once. And unlike your weight, it is a number you can raise. Practise getting down and up with support, retest once a month, and watch it climb.