2026.09.30 / BODY

When did grown-ups
stop jumping?

7 min read

Contents

Looking into trampolines, I started to see what "stamina" really is.

As kids, we jumped all the time. Over puddles, off stairs, bouncing in place for no reason at all.

But as adults, we stop jumping, strangely completely. We walk. Sit. Stand. Run now and then. At the gym, we lift heavy things.

But jumping has quietly disappeared from our lives.

When I heard "trampoline," I thought of it as a kids' toy. But looking into it changed my impression a little.

A study where older adults trained on a mini-trampoline for 14 weeks reported that their ability to recover after losing balance forward improved by about 35%.

Heart and lungs. Strength. Balance. Metabolism. Many functions are at work. Maybe jumping is a much more complex kind of exercise than we think.

Note: this article mainly covers research on mini-trampolines (rebounders) of the kind you can use at home.

1. Jumping works your heart and lungs

In a study of 18 overweight women, 12 weeks of mini-trampoline exercise raised their maximal oxygen uptake (VO₂max) from 15.4 to 16.9 mL/kg/min, an improvement of about 10%.

Their workload at maximal exercise also rose from 104 W to 123 W, about 18%.

From the outside, you're just going up and down in place. But your body doesn't see it that way. It uses the legs again and again, lifts the body, lands, and jumps again. That takes oxygen, and the heart has to work.

Jumping really does use your heart and lungs.

But this was a small study of 18 people. It doesn't mean anyone who jumps for 12 weeks will raise their VO₂max by 10%.

2. Every jump, your body loses balance a little

Unlike a normal floor, the surface under you isn't stable. You land. Sink. Get bounced back. Land again.

In fact, at each of those moments, your body loses its balance slightly. And in the next moment, it corrects.

In the 14-week study of older adults, the strength of the muscles that extend the ankle improved by about 10%. And their ability to recover after losing balance forward improved by about 35%.

Lose it. Notice. Correct. Recover. Jumping uses even that ability to control your body.

3. It's a bit different from walking

In 2026, a study was reported in which 47 people with an average age of 71 did either 20 minutes of trampoline × 3 times a week or 20 minutes of walking × 3 times a week for six weeks.

Walking ability and other measures improved in both groups. Single-leg standing, however, improved in the trampoline group.

Of course, this study alone doesn't show that "trampolines are better than walking." Walking has its own strengths.

But when you walk, the ground basically doesn't move. On a trampoline, the ground itself moves. So you control your posture while working your heart and lungs. That combination is what's interesting.

4. Metabolism moves too

In a study of 60 adults with type 2 diabetes who did mini-trampoline exercise for 30 minutes × 3 times a week × 12 weeks, improvements in insulin resistance, waist circumference, blood lipids and more were seen compared with a control group.

But that doesn't mean "trampolines have a special blood-sugar-lowering effect." Exercise itself affects glucose metabolism. And the participants were adults with type 2 diabetes.

Healthy young people won't necessarily see changes of the same size. Still, it's interesting that such a simple up-and-down movement can be enough exercise to move metabolism.

5. Jumping turned out to be a whole-body exercise

Jump → land → sink → recover your posture → jump again.

Calves. Thighs. Glutes. Core. And heart and lungs. On top of that, holding your posture on an unstable surface.

So rather than filing trampoline exercise under aerobic exercise, strength training, or balance training, it makes more sense to think of it as exercise that uses several body functions at once.

6. That said, it's no cure-all

In a 12-week study of 40 women with osteopenia, strength, balance and other measures improved, but no clear difference between groups was found in the bone density of the lumbar spine or femoral neck.

So at present, we can't say that "jumping greatly increases bone density."

Claims like "it gets your lymph flowing," "it detoxes you," or "it dramatically boosts immunity" also can't be said to have clinical evidence established to the same level as the heart, lung, and balance findings covered here.

Trampolines are interesting enough without exaggeration. Judge them only on what we know.

7. So how much should you jump?

Some of the studies here had people do 20–30 minutes, three times a week, for 6–12 weeks. But that doesn't mean "three times a week for 20 minutes is optimal."

If you don't exercise regularly, start with 5 minutes. Once you're used to it, go to 10 minutes, then 15 if you have room, watching how your body responds.

If you're worried about falling, use a model with a handrail, or do it somewhere you can support yourself. If you have concerns about your knees, back, or ankles, or a condition for which you've been told to limit exercise, talk to a doctor or other professional before starting.

Many of the studies here involved older adults, overweight women, or people with type 2 diabetes. It's not yet known whether healthy working-age people would see effects of the same size.

Where to put one, weight limits, and the difference between bungee and spring models are covered in "How to choose a mini trampoline for home."

What is "stamina"?

Before, I thought about what stamina is. It isn't having big muscles, or being able to run long distances.

You get up in the morning. Work. Walk. Climb stairs. See people. Play. And when night comes, you still have a little left.

To me, that's what a body with stamina is.

Heart and lung fitness. Strength. Balance. The ability to move your body as you intend. And metabolism.

It takes a little of many abilities. When I thought of it that way, trampolines suddenly looked interesting.

When did grown-ups stop jumping?

If you want to maximize strength, lift weights. If you want to build endurance, there's running. If you want to keep moving for a long time, walking is wonderful too.

This isn't about trampolines being better than any of those. It's just that the movement of jumping turned out to contain far more physical abilities than I had thought.

As kids, we just ran, climbed, crouched, and jumped.

Walk. Run. Crouch. Climb. Jump.

I was supposed to be researching trampolines, and what I was left with at the end was something that obvious.

I don't think "trampolines are the ultimate exercise."

But once in a while, it's fine to jump.

To remind our bodies of a movement we forgot as we grew up.

References

Aragão FA, Karamanidis K, Vaz MA, Arampatzis A. Mini-trampoline exercise related to mechanisms of dynamic stability improves the ability to regain balance in elderly. Journal of Electromyography and Kinesiology. 2011;21(3):512–518.

Cugusi L, et al. Effects of a mini-trampoline rebounding exercise program on functional parameters, body composition and quality of life in overweight women. Journal of Sports Medicine and Physical Fitness. 2018;58(3):287–294.

Nuhu JM, Maharaj SS. Influence of a mini-trampoline rebound exercise program on insulin resistance, lipid profile and central obesity in individuals with type 2 diabetes. Journal of Sports Medicine and Physical Fitness. 2018;58(4):503–509.

Posch M, et al. Effectiveness of a Mini-Trampoline Training Program on Balance and Functional Mobility, Gait Performance, Strength, Fear of Falling and Bone Mineral Density in Older Women with Osteopenia. Clinical Interventions in Aging. 2019.

Kendall BJ, et al. Six Weeks of Mini-Trampoline Training Improves Balance, Mobility, and Walking Capacity in Older Adults. Journal of Aging and Physical Activity. 2026.

Note: this article introduces research on exercise and health and is not intended for medical diagnosis or treatment.