Growth Plates, Genetics and Gummies: Reading the Actual Studies Behind Does Basketball Increase Height

Does basketball make children taller? We explain the science of growth, genetics, and nutrition, and show how to calculate your child's target height range.

By Champions Studio · Sun Sep 13 2026

Growth Plates, Genetics and Gummies: Reading the Actual Studies Behind Does Basketball Increase Height

No. Basketball does not make a child taller. No sport does. Approximately 75 to 80 percent of the variation in adult height is genetic, and the rest is mostly nutrition, sleep and general health. A child who plays basketball for six years will ultimately reach the height they were genetically predisposed to attain.

Where the belief comes from, and why it is so convincing

The widespread belief that basketball increases height often stems from observation. Taller children are frequently selected for teams, encouraged to play more, and given greater court time, leading to their continued participation. Shorter children, by contrast, may find less encouragement and eventually leave the sport. The tall players seen on professional rosters are a result of this selection process, not the cause of their height.

What the research actually says

When we look at the scientific literature, a clearer picture emerges regarding the factors influencing height.

A comprehensive review by Malina (1994) in Medicine and Science in Sports and Exercise concluded that regular physical activity, sport participation, and training for sport have no measurable effect on attained stature, the timing of peak height velocity, or the rate of growth in stature [1]. This suggests that engagement in sports like basketball does not alter a child's natural growth trajectory.
Regarding the genetic component of height, Root (2020) highlighted in the Journal of Clinical Endocrinology & Metabolism that genetics accounts for approximately 75 to 80 percent of the variability in normal adult stature [2]. This figure underscores the strong hereditary influence on a child's final height. Further studies, such as Silventoinen et al. (2003) examining twin cohorts across eight countries, found heritability for height ranging between 0.68 and 0.93, depending on sex and the specific statistical model used [3].
The idea that jumping increases growth hormone and thus height is also frequently discussed, particularly in the context of sports like basketball. It is true that acute bouts of intense exercise, including jumping, can transiently increase growth hormone secretion. However, this temporary rise does not translate into greater final adult height. A 2025 BMC Pediatrics trial involving a 24-week jumping programme for short-stature children, for instance, found no significant effect on morning growth hormone secretion or on interim height gain [4]. This study had an intervention arm of 15 participants and was non-randomised, focusing on interim height rather than final adult height. The available evidence does not support the claim that exercise-induced growth hormone leads to increased adult stature.
Another frequently miscited study is an Italian paper from 2020 involving 50 boys aged 12. This paper is often presented as evidence that ten weeks of basketball training improves lean mass, jump height, and grip strength. A careful reading of the study reveals it was not a training intervention; it lacked a control group, and merely consisted of two measurement surveys conducted ten weeks apart on boys who already had an average of 5.7 years of basketball experience. While the boys grew an average of 1.15 cm during this period, this was consistent with normal growth for their age and did not correlate significantly with changes in any of the five motor tests performed. Grip strength, contrary to popular claims, did not significantly change [5]. It is important, when considering significant decisions about your child's activities, to examine the primary research rather than relying on secondary interpretations.

What the pages telling you otherwise are selling

When you search for information on this topic in India, you will often encounter a pattern. Many pages claim that basketball or specific exercises activate growth plates and stimulate growth hormone. These claims frequently appear alongside advertisements or direct sales of products like height growth protein powders, bone growth gummies, acupressure sole patches, or DNA tests that promise to unlock height potential. Some of these sources may cite reviews without authors, years, or accessible links. It is important to recognise the inherent financial incentive behind such claims.

The calculation to do instead, which takes five minutes and costs nothing

Instead of seeking external levers for height, a more grounded approach involves understanding your child's probable genetic potential. The Indian Academy of Pediatrics (IAP) growth monitoring guidelines provide a simple and free method to estimate a child's target height range based on parental heights [6].

Measure parental heights: Measure both parents' heights accurately in centimetres.
Calculate mid-parental height:
- For a boy: (Father's height + Mother's height + 13) / 2
- For a girl: (Father's height + Mother's height - 13) / 2
Determine target range: Your child's expected adult height will generally fall within 8 cm above or 8 cm below this calculated mid-parental height.

Worked Example:

If a father is 170 cm and a mother is 160 cm, for a boy:

Mid-parental height = (170 cm + 160 cm + 13) / 2 = 343 / 2 = 171.5 cm

Target height range = 171.5 cm ± 8 cm. So, the boy's expected adult height would likely be between 163.5 cm and 179.5 cm.

It is important to remember three things about this calculation. First, it provides a range, not a precise prediction. The 8 cm band on either side is wide by design to account for natural variations. Second, what matters more than any single number is whether your child consistently tracks along their own percentile line on a growth chart over time. This consistent tracking is the primary purpose of growth monitoring. If your child crosses percentile lines downwards or consistently falls well outside this target range, it indicates a clinical question that should be discussed with a paediatrician, not a decision for sports class selection.

The three things that do move the needle, with the Indian numbers

While sport does not directly increase height, certain factors are crucial for a child to reach their full genetic height potential. These include:

Nutrition: Adequate calorie intake and sufficient protein are fundamental for healthy growth. Both undernutrition and childhood obesity can negatively impact a child's final adult height [7]. A balanced diet rich in micronutrients supports overall development.
Sleep: Quality sleep plays a vital role. The Indian Academy of Pediatrics (IAP) 2023 guideline recommends at least 11 hours of sleep for 3 to 5-year-olds and at least 10 hours for 5 to 10-year-olds [8]. Growth hormone is primarily released during the slow-wave stages of sleep, making consistent, sufficient sleep critical for growth. This recommendation is notably higher than the 9 to 12 hours often quoted by US-based sources and AI assistants, which may not be tailored to the specific needs or contexts of Indian children.
Routine Growth Monitoring: Regular check-ups with a paediatrician, focused on plotting your child's growth on appropriate charts, provide the most reliable insight into their developmental trajectory. This offers a more informed perspective than anxious measurements against family members or peers.

The one height-related risk in youth basketball, and it is not the one you came here for

The only genuine height-related concern in youth sports, including basketball, involves growth plates. These are areas of cartilage at the ends of long bones where growth occurs. Growth plate injuries account for anywhere between 15 and 30 percent of all childhood fractures, depending on the specific source [9]. A poorly managed or severe growth plate injury is one of the few physical issues that can genuinely reduce the final length of a limb. Growth plates generally fuse, or close, around a bone age of 14 in girls and 16 in boys, with all plates typically closed by about 20 years of age.

Therefore, the crucial questions a parent should be asking about a youth basketball programme are not about increasing height, but about protecting the child's growth plates and ensuring safe development:

What size ball is used for his age group? (Refer to our guide on basketball equipment for kids.)
What is the hoop height for his age and skill level?
What qualifications does the coach hold in youth sports development and injury prevention? (See our post on coach qualifications.)
What is the coach-to-child ratio, ensuring adequate supervision and individual attention?

So what should a 6 year old actually get out of basketball

Rather than focusing on unattainable promises, let us consider what tangible progress a child can realistically achieve and what a good programme should measure. At Champions Studio, our focus is on developing specific, observable skills through a structured curriculum. For instance, in our Explorer and Builder levels, we track progress on clear milestones:

Explorer level: A child can bounce the ball once and catch it.
Builder level: A child can bounce the ball five consecutive times while stationary and catch it.
Performer level: A child can complete a dribbling obstacle course within a specified time limit during a demonstration.

These skills are assessed on a 4 to 6-week cycle in small batches of 8 to 10 children, and parents receive a written report detailing their child's progress. Height is not on that list, and no honest programme would include it there. For a full understanding of our levels and the skills developed, please refer to our levels post.

If what you genuinely want is to observe measurable progress in your child's skills and development within a few weeks, we encourage you to experience a session. A trial class is Rs 500. You can book your slot easily via WhatsApp at +91 95096 71632. Bring the questions you came in with; we are here to show you a clear pathway to visible skill development instead.

Frequently asked questions

How tall was Mj at 16?

Michael Jordan's height at 16 is often cited as being around 5'10" (178 cm) before a significant growth spurt in his later teenage years. This anecdote is frequently shared when discussing late growth spurts in athletes.

Is 5'7 too short to play basketball?

No, 5'7" (170 cm) is not too short to play basketball. While professional basketball players are often very tall, many successful players in various leagues and at amateur levels are of average height or even shorter. Skill, agility, strategic thinking, and dedication are often more important than height.

Can I grow 5 cm after 18?

It is uncommon for individuals to grow a significant amount, like 5 cm, after the age of 18. Growth plates, which are responsible for increasing bone length, typically fuse (close) by this age, or even earlier, stopping further linear growth. Any perceived increase after 18 is usually due to factors like improved posture or slight compression/decompression of spinal discs, not actual bone lengthening.

What age is best to start basketball?

Children can start learning fundamental basketball skills like dribbling, passing, and shooting as early as 4 or 5 years old in age-appropriate programmes. These early stages focus on motor skill development, coordination, and enjoyment rather than competitive play. Structured training with adapted equipment (smaller balls, lower hoops) becomes more beneficial from around 6 to 8 years old.