Gymnastics and Rhythmic Gymnastics Classes: An Option for Building Core Strength and Flexibility
Why this topic is on your mind
Around age 4, you more often hear from other parents who have been to trial sessions for gymnastics or rhythmic gymnastics classes. Mat exercises, vaulting boxes, balance beams, trampolines: a full set of movements you can’t do at home, with a coach watching carefully. Rhythmic gymnastics also has the appeal of graceful routines using ribbons and balls.
In this situation, questions like these come up at home.
- Is it true that doing gymnastics improves athletic ability?
- My child’s posture seems poor and core seems weak. Will gymnastics fix that?
- Should we start something before the “golden age” (ages 5 to 12)?
- Gymnastics clubs, gymnastics classes, rhythmic gymnastics: what’s the difference?
- Monthly fees and taking my child there and back are hard. Can things we do at home substitute for it?
Research on motor development and sports medicine gives fairly calm answers to these. It is not as simple as “doing gymnastics improves athletic ability”, nor is it “too late if you miss the golden age”. On the other hand, there certainly are kinds of movement that tend to develop through gymnastics, and these can be well supplemented when combined with playground play. Let’s look at them in turn.
What does the research say?
On gymnastics in early childhood, findings have accumulated from three angles: (1) theoretical research on Long-Term Athletic Development, (2) meta-analyses of Fundamental Movement Skills interventions, and (3) research on the risks of early specialization. Let’s answer the three questions that mothers of 4-year-olds worry about most with each body of research.
Question 1: Is there really a golden age? What stage is early childhood (age 4)?
Many mothers have probably heard the phrase “Don’t miss the golden age”. The golden age is a concept that originally spread in sports coaching, a phrase referring to roughly ages 5 to 12, when the nervous system is said to develop remarkably. It is true that the nervous system develops actively from early childhood through the school years, but the general summary of modern motor development research is that it is not a “critical period” so strict that “if you miss this time, a particular movement can never be acquired”.
The central paper on the Long-Term Athletic Development model by Canadian sports scientists divided development from early childhood to adulthood into 6 to 7 stages. Its first stage, the “FUNdamental stage (up to roughly age 6)”, is positioned as “a time not for technical practice in a particular sport, but for enjoyably experiencing all kinds of basic movements, such as running, jumping, throwing, catching, kicking, climbing, rolling, balancing, and moving in water”. “FUN” is emphasized in capital letters because turning this period into “practice you are made to do” increases the likelihood of leaving sport.
The paper proposing the Youth Physical Development (YPD) model, which developed the LTAD model further likewise states that early childhood is a time for developing “fundamental movement skills” and “neuromuscular coordination”, and that “sport-specific skills”, “maximal strength”, and “full endurance training” come much later. In other words, there is no need to “drill gymnastics skills” at age 4; the position in research is that within the broad framework of “experiencing a variety of movements”, a gymnastics class is one of the options.
Japan’s Physical Activity Guidelines for Early Childhood, formulated in 2012, are written in the same direction. “Early childhood is a time for acquiring a variety of movements”, “Move the body enjoyably for a total of 60 minutes or more a day”, “Center on active play rather than concentrating on a particular kind of exercise”: the content emphasizes “variety of movement” rather than “being able to do ○○ skill”.
Question 2: What exactly develops in gymnastics and rhythmic gymnastics classes? Does athletic ability really improve?
This is probably the question mothers most want answered. Summarizing the research, it is accurate to see that there is no single ability called “athletic ability”; several motor skills each develop.
A meta-analysis of fundamental movement skill intervention studies with children aged 2 to 18 (integrating 11 studies) reported that structured movement programs significantly promote the acquisition of fundamental movement skills compared with natural development alone (effect size d=0.49, p<0.05). It is reasonable to read this not as “an effect specific to gymnastics classes” but as an effect of “places where a coach is present and children are deliberately given a variety of movements” in general. Similar effects may be obtained in soccer classes or dance classes too.
On that basis, the movements that are especially easy to experience in gymnastics and rhythmic gymnastics classes have features such as the following.
The values are the editorial team's rough guide to 'how easily each develops'. There are clear elements that develop through gymnastics, but much can also be substituted or supplemented by playground play. It is accurate to see it not as 'doing gymnastics improves all athletic ability' but as 'certain movements are easier to experience'.
Source: Created by the editorial team with reference to Balyi & Hamilton (2004), Lloyd & Oliver (2012), Logan et al. (2012), and the MEXT Physical Activity Guidelines for Early Childhood (2012)
To sum it up:
- Core strength and holding posture: movements that use the core, such as handstand preparation, bridges, and standing on one leg on the balance beam, are included every time. It can be one option if you are concerned that your child’s “posture is poor” (though it is worth keeping in mind that poor posture is often due less to a weak core than to environmental factors such as the height of chairs and desks and posture while watching screens).
- Flexibility: in both gymnastics and rhythmic gymnastics, stretching is built into the basic part of every lesson. Rhythmic gymnastics in particular is a discipline that values flexibility, with splits, bridges, and backbends practiced repeatedly. Flexibility is one of the elements that are easy to develop in early childhood.
- Spatial awareness and how to fall: forward rolls, cartwheels, vaulting boxes, and trampolines are experiences that are hard to have at home, in which children learn “which way my body is facing right now” and “how to fall safely”. This becomes a foundation that helps in many later situations, such as learning to ride a bicycle or group gymnastics at sports day.
- Rhythm and expression (rhythmic gymnastics): rhythmic gymnastics has a strong element of moving to music and includes eurhythmics-like elements. Handling apparatus such as ribbons, balls, and ropes also develops hand-eye coordination.
- Self-efficacy: accumulating experiences of achievement, such as “I did a forward roll” or “I jumped the vaulting box”, is a characteristic strength of gymnastics classes. However, depending on how the coach praises and how the grading system is designed, there are also cases where it makes children strongly aware of “the me who can’t do it”, so this is an observation point when choosing a class.
What we want to note is that research shows little of the simple kind of transfer where “doing gymnastics improves athletic ability” or “makes children able to do any other sport”. A forward roll learned in gymnastics will not make a child better at soccer or baseball. The summary of modern motor learning research is that the basic rule for motor skills is that “the movements you practice are the ones that develop”.
Question 3: What happens if a young child does gymnastics “seriously”? The risks of early specialization
Seen as competitive sports, gymnastics and rhythmic gymnastics are typical “early specialization” disciplines. Many top-level female gymnasts and rhythmic gymnasts start serious training at ages 4 to 6 and peak in their early teens. That is exactly why some families think “we should start seriously now too”.
This is a point where care is needed in research terms.
A 2016 clinical report on early sports specialization and intensive training in young athletes consistently states that “until around age 12, participating in several sports reduces the risk of injury, stress, and burnout”. For early specialization disciplines in particular, such as gymnastics, rhythmic gymnastics, and figure skating, the risks of “overuse injuries during growth”, “eating disorders (especially in girls’ aesthetic sports)”, and “burnout and dropping out in the teens” have been pointed out repeatedly in multiple studies.
A paper reviewing 15 years of accumulated research on the Developmental Model of Sport Participation (DMSP) compared a “sampling (trying several sports)” approach with an “early specialization” approach, and concluded that “in most sports, athletes who went through a sampling period in childhood have higher long-term rates of continuing in competition and higher lifelong physical activity”. It warns that early specialization suits only some aesthetic and acrobatic disciplines (gymnastics, figure skating, diving, etc.), and that even then “the benefits of early specialization must be weighed against the risks of burnout, injury, and social isolation”.
In other words, for a 4-year-old, “making them attend hard 4 to 5 times a week with the goal of raising a future gymnast or rhythmic gymnast” is a special choice for families aiming at top-level athletics, and not a path ordinary families need to force themselves onto. If you use a gymnastics class once or twice a week for about an hour as “a place to move the body enjoyably”, these risks hardly arise.
A friend’s child has started a gymnastics class, and I’m wondering whether we should too. I heard “now, before the golden age, is the chance”, and I’m feeling pressured.
I understand that pressure well. But in research terms, there isn’t a critical period so strict that “if you miss the golden age, it’s too late”. Both Balyi & Hamilton’s LTAD model and Lloyd & Oliver’s YPD model describe early childhood as a time for developing “variety of movement itself” rather than “particular skills”. At 4, there’s no need to think “if we don’t drill gymnastics skills now, it’ll be too late”.
But I hear that going to a gymnastics class develops core strength and flexibility. It’s hard to get my child to do that at home, so I thought a class would be more reliable.
That’s certainly true. A gymnastics class has real value as a place to safely experience movements that are hard to do at home, such as flexibility, core strength, how to fall, and spatial awareness. Logan and colleagues’ 2012 meta-analysis showed that structured movement programs promote fundamental movement skills. But this is an effect not “because it’s gymnastics” but of “places where a coach is present and children deliberately experience a variety of movements” in general, so it’s accurate to read it as: if your child enjoys it, gymnastics, soccer, or dance are all fine.
Part of me wants my child to do it seriously, and I’m also considering a class with a competitive course.
That’s where I’d like you to think a little more carefully. The AAP’s 2016 clinical report and Côté & Vierimaa’s research on the developmental model agree that “early specialization from early childhood raises the risk of injury, burnout, and leaving sport”. Hard practice 4 to 5 times a week is a special choice for families aiming at top-level athletics, not a path ordinary families choose “just in case”. Starting with a fun class once or twice a week for about an hour is the manageable line in research terms.
What to do if you actually go ahead
Based on the research, here are decision criteria that are easy for families to use.
1. Gymnastics clubs, gymnastics classes, rhythmic gymnastics: understand the types
Even under the single word “gymnastics”, the atmosphere and purpose differ quite a bit. Understanding the types makes it easier to choose.
Preschool gymnastics classes (leaning toward yoga and movement play)
Recreational gymnastics
Facilities with preschool courses, such as Konami, Central, local sports clubs, and municipal gymnasiums. A place to enjoy mats, vaulting boxes, trampolines, balance beams, and so on, without the premise of aiming for competition. Once a week is the norm. Monthly fees about ¥7,000-10,000. The easiest option to start with as a place to experience FMS.
Gymnastics clubs (competition-oriented)
Competitive gymnastics club
Gymnastics clubs registered with the Japan Gymnastics Association, with competitive courses. Children start in a preschool class and move to the competitive course if they show aptitude. 2-5 times a week, with longer, serious lessons. Because the risk of injury and the psychological load also increase, it is a path chosen when the child strongly wants it, or when the whole family commits to it.
Rhythmic gymnastics classes
Rhythmic gymnastics
A discipline in which routines are performed to music using apparatus such as balls, ribbons, and ropes. Centers on flexibility, a sense of rhythm, and expressiveness. Preschool courses are at the stage of 'moving enjoyably and developing flexibility'. Competitive courses are of the early specialization type, and hard flexibility training and control of eating are known issues. In early childhood, starting with a recreational course is the safe choice.
If you choose for a 4-year-old for reasons like “just in case” or “for the future”, the “preschool gymnastics class (leaning toward movement play)” on the left is the easiest entry point both in research terms and for the household budget. It is realistic to position the competition-oriented gymnastics club in the middle and the serious competitive course in rhythmic gymnastics on the right as paths to consider when the child strongly wants it and the whole family has the time, money, and commitment.
2. Monthly fees, taking your child there and back, continuity: put realistic costs on the table
If you overstretch “because it’s an investment in education”, the pressure to continue wears the family out. For a 4-year-old’s sports activity, “whether it can be continued without strain” matters most in research terms as well.
- Monthly fees: generally ¥7,000-10,000/month for gymnastics classes and ¥6,000-12,000/month for rhythmic gymnastics. On top of this come recitals, grading tests, and uniforms. It is reassuring to check loosely whether the amount is one at which “continuing is taken for granted” within the household budget.
- Taking your child there and back: taking a child there and back on weekday evenings is a big burden for both working mothers and stay-at-home mothers. Choosing a class within walking or cycling distance, or one with a shuttle bus, makes it easier to continue.
- Make-up classes: classes with flexible make-ups for when your child misses because of fever or other commitments are an indicator that it will be easier to continue for a long time. Classes with “no make-ups; missed sessions count as used” are designed in a way that is hard for working mothers to keep up.
- Outlook on how many years to continue: deciding “when to stop” from the start lets you stop without guilt. Setting a loose cutoff such as “until nenchō” or “until entering elementary school” is also an idea.
3. Know which parts can be substituted at home
Much of the movement children can experience in gymnastics classes can be substituted at home or in the playground. Even if you choose “not to attend a class”, you can cover it well if you are conscious of it at home.
- Forward and backward rolls: can be done on a futon, a yoga mat, or grass. At first it is safe if a parent supports the child’s hips.
- Core strength and balance: instead of a balance beam, walking along a curb in the park or a string laid on the floor, standing on one leg, frog jumps.
- Jumping: a trampoline (a small home one is fine), jumping from low steps, starting jump rope.
- Flexibility: parent-and-child stretching after a bath, splits and forward bends as a game. Something like “I wonder how far ○○ can reach” is plenty.
- Climbing and hanging: jungle gyms, monkey bars, and climbing equipment in the park. These develop upper-body strength and spatial awareness as much as gymnastics classes do.
- Rolling and spinning: rolling sideways on grass, somersaults, roller play equipment for children.
“Not sending my child to a class means they lack movement experience” is not the case. Rather, families who secure time for outdoor play are already developing FMS well enough without a gymnastics class.
4. Choosing a class that is easy to continue: what to observe at trial sessions
Here are the points we would like you to look at when you go to a trial session.
- How the coach praises and speaks to children: whether they look not only at “could or couldn’t do it” but also at “having a go” and “what was better than last time”. Observing how they respond to a child who shrinks back shows you the class’s policy.
- Grading system: classes with finely divided grades that give frequent senses of achievement make it easier to develop self-efficacy, but they also have the side of creating “anxiety about not moving up”. Look at the fit with your child’s personality.
- Whether parents can watch: classes where parents can always watch make it easier to notice if something happens and to build trust. Note that with classes where “parents are in a separate room / monitor only”, it is hard to see how the coach actually speaks to children.
- Class size and coach ratio: in preschool classes, once there are more than 10 children per coach, it becomes harder to keep an eye on each child.
- How your child is after it ends: after the trial session, does your child say “I want to go again”, are they completely exhausted, do they show any reluctance? This is the most important thing to judge by, in research terms as well.
5. Sorting it out when the motive is “poor posture” or “a weak core”
Many families consider gymnastics with the motive “my child’s posture seems poor” or “their core seems weak”. This needs a little sorting out.
Poor posture in early childhood is said to be in fact affected more by environmental factors, such as the height of chairs and desks at home, posture while watching screens, a lack of outdoor play time, and shoes that don’t fit, than by a weak core. Gymnastics classes certainly develop core strength, but research does not strongly support a direct causal relationship of “sending your child to a class will fix their posture”.
If you are concerned about posture, start with
- Adjusting the height of chairs and desks (a height at which the feet rest firmly on the floor)
- Reviewing screen time and posture while watching
- Increasing outdoor play time (the WHO 2019 guideline of “180 minutes or more a day”)
- Making sure your child wears shoes that fit
and then, if you are still concerned, add a gymnastics class as an option. This order avoids strain.
Closing dialogue
After hearing you, the pressure of “it’s bad if I don’t send my child to gymnastics” has eased a little.
That’s fine. A gymnastics class is one lovely option, but it isn’t something absolutely necessary. The LTAD model, the YPD model, and MEXT’s Physical Activity Guidelines for Early Childhood all ask only one thing of 4-year-olds: not “particular skills” but “enjoyably experiencing a variety of movements”. With or without a class, if that condition is met, the foundation of your child’s movement is developing properly.
I’m concerned about flexibility, so I think I’ll try a rhythmic gymnastics trial session.
I think that’s a good direction. Preschool rhythmic gymnastics classes are designed as places to develop flexibility and a sense of rhythm. At the trial session, please watch your child’s face and how they react afterwards. If they say “I want to do it again”, go; if it doesn’t click, it’s fine to pass. Whether to move to a serious competitive course is something it’s not too late to think about much later.
Even if we do go, it seems best to go about once a week and do outdoor play as well.
In research terms, that’s the most manageable line. Gymnastics once a week combined with daily playground and home play is a good balance that develops FMS in many ways. It’s enough to see it not as “gymnastics or outdoor play” but as “gymnastics and outdoor play”. If your child enjoys moving their body, that in itself becomes the foundation for a long relationship with physical activity.
Research details
Primary sourcesStudy design: Proposal of a conceptual model in sports science and coaching theory (review and theoretical integration)
Scope: Athlete development as a whole from early childhood to adulthood (across sports)
Main results: As the Long-Term Athletic Development (LTAD) model, organizes development into 6 to 7 stages. In the first stage, “Active Start (ages 0-6)”, and the second stage, “FUNdamentals (ages 6-9)”, enjoyably experiencing fundamental movement skills (running, jumping, throwing, catching, kicking, climbing, rolling, balancing, moving in water), rather than sport-specific technique, is recommended. “FUN” is capitalized because lacking enjoyment at this time increases the rate of leaving sport. Early specialization is not recommended for most sports.
Limitations: A theoretical model (conceptual framework); at the time it was proposed, longitudinal studies directly testing all stages were limited. Since then, several reviews and empirical studies supporting the model have been reported, but application needs to take into account the characteristics of each sport and cultural differences.
Study design: A review paper summarizing 15 years of accumulated research on the Developmental Model of Sport Participation (DMSP)
Scope: Research from countries around the world on sport participation from early childhood to adolescence and long-term competitive performance and continuation rates
Main results: • Athletes who went through a “sampling (experiencing several sports)” period have higher long-term rates of continuing in competition and higher lifelong amounts of physical activity • Early specialization suits only some aesthetic and acrobatic disciplines (gymnastics, figure skating, diving, etc.) • Even in early specialization disciplines, the balance with the risks of injury, burnout, and social isolation should be considered • In the sampling period (roughly ages 6 to 12), “a variety of physical activity aimed at enjoyment” and “experience of several organized sports” are recommended
Limitations: A review paper, not a presentation of new data. The optimal time to start specializing differs according to the characteristics of each sport. Differences due to cultural and socioeconomic background need further verification.
Study design: Clinical report of the American Academy of Pediatrics (recommendations of an expert panel based on a systematic review)
Scope: A review of evidence from research in countries around the world on early sports specialization and intensive training in young athletes (from preschool to adolescence)
Main results: • Until around age 12, participating in several sports reduces the risk of injury, stress, and burnout • In many sports, delaying specialization until late adolescence (around ages 15-16) gives a higher chance of achieving competitive goals • Specializing in a single sport from early childhood is associated with overuse injuries, psychological stress, and dropping out of sport • In early specialization disciplines such as gymnastics, figure skating, and diving, separate attention is needed to overuse injuries during growth, eating disorders (especially in girls’ aesthetic sports), and burnout
Limitations: The policy statement itself is not new research but recommendations by an expert panel. Note that the optimal time to start specializing differs by sport. Differences due to culture and region need further verification.
Study design: Policy guideline by MEXT (a summary of reviews and recommendations by an expert committee)
Scope: Physical activity and motor development in young children in Japan (roughly ages 3 to 6)
Main results: • Based on three principles: “Include a variety of play so that children can experience a variety of movements”, “Secure time to move the body enjoyably (a total of 60 minutes or more a day)”, and “Provide play suited to developmental characteristics” • Positions early childhood as a time for acquiring “variety of movement” rather than “particular kinds of exercise” • States that developing not only physical fitness and motor ability but also “liking exercise” and “an attitude of enjoying exercise” lays the foundation for future exercise habits • In coaching exercise, natural experience within play is prioritized over technical instruction
Limitations: A guideline, not empirical research itself. The WHO 2019 guidelines abroad (for children under 5) state “a total of 60 minutes or more of at least moderate-intensity activity, and 180 minutes or more of total physical activity”, so the way the guide is set differs a little.
Study design: A paper proposing the Youth Physical Development (YPD) model, which developed the existing LTAD model further
Scope: The optimal order of physical development and acquisition of abilities from early childhood to adolescence
Main results: • In early childhood (before school), acquiring “fundamental movement skills (FMS)” and “neuromuscular control” is central • Serious training for maximal strength, maximal endurance, maximal speed, and so on is appropriate from around puberty onward • Unlike the single linear model of LTAD, it shows developmental curves by sex and ability, presenting a more flexible view of development • States that “enjoyable experience of a variety of movements” in early childhood becomes the foundation for later acquisition of abilities
Limitations: A conceptual model; at the time it was proposed, longitudinal studies testing the model as a whole were limited. Developmental differences due to cultural and genetic background need further verification.
Study design: Meta-analysis (integrating 11 studies of fundamental movement skill interventions with children aged 2 to 18)
Participants: Children aged 2 to 18, mainly in the US and Europe (total sample size across studies on the scale of several hundred to a thousand)
Main results: • Structured movement programs (with intervention by coaches or instructors) significantly promote the acquisition of fundamental movement skills compared with natural development alone (effect size d=0.49, p<0.05) • Effects were shown for both “locomotor skills (running, jumping, skipping)” and “object control skills (throwing, catching, kicking)” • A tendency for longer interventions to have larger effects • Interventions in both early childhood and the school years showed significant effects
Limitations: The types of intervention included are varied, mixing “gymnastics programs”, “dance programs”, “PE classes”, “general movement instruction”, and so on. It is not an analysis that isolates “effects specific to gymnastics”. No studies with long-term follow-up (outcomes into adulthood) are included.