Does Playing Basketball Make You Taller?

Does Playing Basketball Make You Taller?

Look at any NBA lineup and it's easy to assume basketball itself must be adding inches — why else would the sport be full of people well over 6 feet tall? The real explanation has more to do with who ends up playing basketball than what the sport does to the body.

Does Playing Basketball Make You Taller?

No — playing basketball doesn't make you taller. Basketball is full of tall people not because the sport lengthens anyone's bones, but because height is a genuine competitive advantage in the game, so taller people are recruited into it, encouraged to stick with it, and channeled toward it from a young age.

✅ The verdict: The link between basketball and height is real, but it runs the opposite direction from what people assume — tall people are drawn into and selected for basketball, rather than basketball making players tall. This is a classic case of correlation being mistaken for causation.
1 in 7
NBA players are 7 feet or taller — vs. roughly 1 in 650,000 in the general male population
~2x
Each additional inch of height roughly doubles someone's statistical odds of reaching the NBA
~80%
Of height variation in the general population is estimated to be genetic

Why Basketball Players Are So Tall — It's Not the Sport

Height offers a direct mechanical advantage in basketball: a taller player is naturally closer to a 10-foot rim, has a longer reach for rebounds and blocks, and can shoot over shorter defenders. Coaches and scouts notice this early — tall kids get pulled toward basketball, given more coaching attention, and are more likely to stick with the sport into competitive leagues. Shorter kids with the same interest in basketball face a much higher bar to compete at the same level.

This selection effect is strong enough that it shows up even within basketball itself: research on competitive players has found that centers (who play closest to the basket) are selected to be significantly taller than guards (who play further from it) — a clear sign that height is being actively selected for by position, not created by playing the position.

💡 A useful test: If basketball itself caused height gains, we'd expect to see similar effects in other physically demanding sports like swimming or distance running — but we don't see towering height as a defining trait in those sports the way we do in basketball. That's a strong sign the effect is about who plays, not what the sport does to the body.

▶ Watch: The Hidden Statistics That Control The NBA — Seth Stephens-Davidowitz

Watch on YouTube ↗

What Basketball Actually Does for a Growing Body

None of this means basketball is irrelevant to a growing kid's development — it just doesn't work the way the myth suggests. Basketball is a genuinely good weight-bearing, high-impact activity, and that matters for bone and overall health during growing years:

What Basketball Provides Why It Matters
Jumping & runningHigh-impact movement is associated with healthy bone density development in children and teens.
Cardiovascular fitnessA full-court game is a genuine aerobic workout.
Coordination & agilityDribbling, cutting, and shooting build motor skills and body awareness.
Overall active lifestyleRegular physical activity supports the general health that underlies reaching genetic height potential.

None of this is unique to basketball — any comparable high-impact sport offers similar benefits.

In other words, basketball supports growth the same way any comparable high-impact sport does — not because of anything unique to basketball itself.

Does Reaching for the Hoop "Stretch" You Taller?

Repeatedly jumping and reaching overhead doesn't stretch the skeleton into a taller shape — but it does produce a real, if very small and temporary, effect worth understanding.

What's Real
Temporary Spinal Decompression

Reaching and hanging can briefly relieve compression on spinal discs — the same effect as hanging from a bar. This can make someone measure a few millimeters taller for a short while, similar to how everyone is naturally taller in the morning than by evening.

What's Not Real
Permanent Height Gain

This decompression effect fully reverses within hours. It doesn't lengthen bone, and it works identically whether the reaching happens on a basketball court, a pull-up bar, or anywhere else.

What Actually Determines Height

Genetics sets the ceiling, shown in the stat above — the remaining variation comes down to a handful of well-established supporting factors, none of which involve any specific sport:

🧬
Genetics
Sets the overall range of height potential, inherited from both parents.
🥗
Nutrition
Protein, calcium, and other nutrients supply the building blocks bones need to grow.
😴
Sleep
Most growth hormone is released during deep sleep, making it essential during growing years.
⚕️
Hormones & Health
Growth hormone, thyroid function, and overall health during childhood all shape final height.

Basketball, or any sport, can support the nutrition, sleep, and activity side of that equation by encouraging an active, healthy lifestyle — it just can't move the genetic ceiling itself. For a fuller picture, see the role of genetics in determining height.

Basketball courts are full of tall people for the same reason NBA centers are taller than NBA guards: the sport selects for height, it doesn't create it. Playing basketball is a genuinely healthy, growth-supportive activity thanks to its jumping, running, and overall fitness demands — the same way many other sports are — but it won't move anyone past the height their genetics already have planned. If your kid loves basketball, that's a great reason to keep playing. Height isn't one of them.

FAQs

Does playing basketball make you taller?
No. Basketball players tend to be tall because height is an advantage in the sport, so tall people are recruited and encouraged to keep playing — not because basketball causes height growth. This is a selection effect, not a causal one.
Why are NBA players so much taller than average?
Height offers a clear competitive advantage in basketball (reach, rebounding, shooting over defenders), so scouts and coaches select for tall players from a young age. This concentrates unusually tall individuals in the sport rather than the sport making its players tall.
Can jumping to touch the rim make you taller?
No, not permanently. Repeated jumping and reaching can temporarily decompress the spine, similar to hanging from a bar, which may cause a tiny, short-lived increase in measured height — but it doesn't produce lasting growth.
Is basketball still good for a growing kid, even without a height benefit?
Yes. Basketball is a genuinely healthy weight-bearing, high-impact activity that supports bone density, cardiovascular fitness, and coordination — real benefits, just not a way to exceed genetic height potential.
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References

  • Popović S, et al. Anthropometric Variables and Somatotype of Young and Professional Male Basketball Players.ncbi.nlm.nih.gov/pmc/articles/PMC5969204
  • Mirtz TA, et al. The Effects of Physical Activity on the Epiphyseal Growth Plates: A Review of the Literature on Normal Physiology and Clinical Implications. Journal of Clinical Medicine Research. — jocmr.org
  • NIH National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS). Exercise for Your Bone Health.niams.nih.gov
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