Rates of mental health difficulties among adolescents have risen sharply over the last decade. Anxiety, low mood, poor self-esteem and emotional dysregulation now show up regularly in schools, sports clubs and gyms. Social media pressure, disrupted sleep, reduced unstructured play, academic stress, long screen time and fewer opportunities for physical activity to boost confidence all contribute. Add in the social disruption left behind by lockdown years and it becomes clear why many teenagers feel overwhelmed before adulthood has even started.
Medication has an important place in severe or high-risk cases, and that should never be dismissed. At the same time, many adolescents sit in a grey zone where symptoms are real but not extreme. For that group, non-pharmacological support can make a huge difference to their lives. And exercise is something that fits the bill perfectly. Not as a cure, not as a replacement for professional care, but as a practical way to support mood, confidence, stress regulation and daily structure.
Recent research has started to clarify how exercise helps adolescent mental health, and just as importantly, how it should be delivered. This research offers some valuable insight for fitness professionals working with younger clients and the evidence now gives us much clearer direction.
What the Recent Evidence is Telling Us
Several high-quality reviews published in 2025 bring useful clarity to the conversation around exercise and adolescent mental health.
A large narrative and systematic review examining exercise effects on depression, anxiety and self-esteem in children and adolescents found consistent benefits across multiple forms of physical activity. Resistance training showed particularly strong signals for reductions in depressive symptoms and improvements in self-esteem. This evidence shows us that combined programmes that included both resistance and aerobic work appeared helpful for anxiety-related outcomes. Interestingly, one of the key points was not the novelty of the exercises, but the presence of structure, progression and consistency.
A second synthesis focusing specifically on exercise interventions for depression in young people looked closely at training dose. The review found that the outcomes improved most reliably when:
- programmes ran for around eight weeks
- sessions stayed under 60 minutes
- weekly frequency exceeded three sessions
- short, repeatable sessions performed consistently showed stronger effects than longer, irregular programmes.
A third review examining exercise training and anxiety symptoms supported the idea that movement helps regulate anxious states in adolescents. It also showed that exercise reduced baseline anxiety levels and improved emotional regulation over time. Predictable session structure and manageable intensity appeared especially important, even though the mechanisms were behavioural rather than purely physiological.
When we put all of these things together, the findings reinforce a practical message for coaches. And that is that exercise supports adolescent mental health most effectively when it feels safe, repeatable and achievable. But they also showed that random sessions and sporadic intensity spikes dilute the effect.
Why Resistance Training Fits Particularly Well
Resistance training is something that fits particularly well with adolescent psychological needs for several reasons beyond just muscle strength.
Studies on strength training in particular provides visible evidence of effectiveness. A teenager who adds a repetition, improves control, or lifts with better technique sees their own capability improving in real time. That sense of competence feeds self-esteem in a way that appearance-based feedback does not. The improvements are tangible, measurable and earned through effort. All of which give positive signs to self-esteem.
Structured resistance sessions also bring predictability. Adolescents experiencing anxiety often struggle with uncertainty and a sense of lost control. Familiar movement patterns, a known session flow and clear expectations reduce the cognitive load anxiety can create. The gym becomes a stable environment rather than somewhere they feel they have to perform.
Resistance training can also support emotional regulation in a more indirect way. When you lift weights, you have to slow your breathing, brace your trunk and focus on one simple task at a time. Doing all this at once shifts the body out of a stressy, erratic thought, wired state and into something more controlled, calmer mind. Then you rest, your heart rate comes down and you reflect on the lift while preparing for the next. Over time, that repeated pattern of “work hard, calm down, reset” becomes familiar, and many teenagers start finding it easier to settle themselves outside the gym as well.
That settling effect is one reason resistance training fits so well in adolescent programmes. It still isn’t the whole picture though. Aerobic work adds a different kind of support by improving basic cardiovascular fitness and giving the nervous system more practice staying steady under sustained effort. Put the two together and you get a blend that tends to work well for anxiety-related symptoms: strength for confidence and control, aerobic work for regulation and resilience.
What Should be Measured
If exercise is going to support a teenager’s mental health, the tracking needs to support that goal as well. The right measures make training feel steady and rewarding. The wrong measures add pressure, invite self-judgement and can quietly undo the confidence you’re trying to build.
A good place to start is attendance. Not in a naggy, “why weren’t you here?” way, but as a simple marker of routine. When a young client turns up consistently, it usually means the programme feels manageable, the environment feels safe enough and the sessions are helping more than they’re draining. That’s a win. If attendance suddenly drops off, it often isn’t laziness. More commonly it’s overwhelm, a wobble in confidence or real-life stress piling up. For a coach, that pattern points us in the right direction. It tells you to simplify, reduce friction and rebuild momentum rather than pushing harder. For example you make the next few sessions easier to say “yes” to: shorten them, stick to familiar exercises, and/or lower the intensity so the client can rack up quick wins. Once they’re turning up consistently again, build back up gradually.
One you have attendance down, performance markers are your next best friend, as long as you keep them simple. Teenagers don’t need a spreadsheet full of numbers to feel progress. They need clear proof that they’re getting better at something. That might be an extra rep with good control, a deeper squat with the same calm tempo, a cleaner hinge pattern, or a set that felt less intimidating than it did two weeks ago. Load is important as it can be used to show progress, but it’s not the only marker. Improvements in range of motion, control and technique are often the progress points that land best for mental wellbeing because they feel earned and they don’t come with judgement.
It also helps to measure how sessions feel. This again doesn’t need to be complicated. A quick check-in at the start and a simple check-out at the end can tell you a lot. At the start you’re mainly looking for context: “How’s your energy today?” and “How manageable does training feel right now?” At the end you’re looking for effect: “How do you feel now compared to when you walked in?” That gives you a picture of whether the session is leaving them steadier, lighter and more capable. It also helps you adjust training load in a way that feels supportive rather than random. There needs to be a reason for everything you do so it makes sense to them and they feel like they are in control and progressing.
Sleep and energy fit into the same category. A teenager’s sleep can be all over the place for reasons that have nothing to do with training, so you don’t want to make it a big deal. Still, noting it in broad terms can be really useful. Poor sleep often shows up as irritability, lower tolerance for effort and reduced focus. On those days, the right move is often a slightly lighter session that still gives them a win, rather than trying to force a hard workout. A simple rating scale works well here because it gives you information without inviting overthinking.
What Should Not be Measured
Once you start working with adolescents, you quickly realise that the wrong kind of tracking can do more harm than good. Not because measurement is bad, but because some measures quietly shift the focus away from capability and towards judgement. When the goal is mental wellbeing, confidence and consistency, you want your tracking to feel supportive but not like a spotlight.
Body-focused measures sit at the top of that list. Scale weight, progress photos and body fat percentages can turn training into an appearance project, even when you never intended it to. For a teenager already dealing with body image pressure, that can increase anxiety, self-consciousness and avoidance. It can also create a weird dynamic where the session starts to feel like it’s “worked” only if the body changes in a specific direction. For this age group, performance and confidence markers tend to be far better.
Public comparison can be another issue. Leaderboards, ranking systems, calling out “best” and “worst” efforts or even turning sessions into mini competitions can sound motivating on paper. In reality, it often adds social pressure. Many teens already feel watched. They don’t need training to become another place where they feel judged. Private progress is usually the safer and more productive route.
Max testing has a similar problem. One-rep max attempts, brutal finishers, timed challenges, or frequent “prove yourself” sessions can create a lot of stress for clients who already struggle with performance anxiety. Technique can fall apart, confidence can dip and missed sessions become more likely. A calmer approach tends to work better here. Keep intensity controlled, keep progress steady and treat hard days as occasional milestones rather than the main event.
The simple rule is this: if a metric makes the client feel more pressured, more self-conscious or more exposed, it probably isn’t worth using. Track the things that build routine and confidence, and leave out the ones that turn training into judgement.
Coaching Behaviours That Support Mental Health
In adolescent training, the plan itself is important, but the delivery just as important. Two coaches can run the same session and get completely different results, simply because of how safe, manageable and predictable the experience feels for the young person in front of them.
Psychological safety often starts with predictability. Teenagers dealing with stress or anxiety can burn a lot of mental energy just trying to work out what’s coming next. A familiar session structure removes that friction. When the warm-up follows the same pattern, the main lifts sit in the same part of the session and the finish is consistent, the client can relax into the work rather than spending the whole hour anticipating a surprise.
Language also plays a big role. By focusing on the effort, you keep the pressure low and progress realistic. Adding in a calm tone helps, especially when a teen is already carrying stress from school, peers or home. It’s also worth thinking about where and how you deliver feedback. Private, specific feedback builds skill without embarrassment and it protects confidence in a way public correction rarely does.
A little autonomy can also go a long way. Teenagers respond well when they feel some ownership, so small choices inside a structured plan can really help. That might be choosing between two similar exercises, picking the order of accessory movements, or choosing a cooldown that feels achievable. The structure stays in place, but the client gets a sense of control without being overwhelmed by too many decisions.
When anxiety is part of the picture, focus on stability and boundaries. Clear expectations around intensity, plenty of rest and no sudden “let’s push it” moments help the client feel safe in the session. Trust tends to build faster when the client knows you won’t spring something on them that makes them feel exposed or out of their depth.
When low mood is the issue, it’s momentum rather than intensity that has the greatest impact. The win in this situation is having the client turn up, get through the session and leave with a sense of accomplishment. Small successes done repeatedly build their confidence over time, and that confidence is apparent through consistency.
One final yet important point. Coaches are not therapists and training should not drift into diagnosis or treatment. If you see persistent withdrawal, panic episodes, disclosures around self-harm or major changes in behaviour, that’s a safeguarding situation and it needs to be handled through the right channels. Your role is to provide a supportive training environment that improves wellbeing, while knowing when the right support sits outside the gym. You can learn how to notice these signs through the Mental Health First Aid course.
Programming Ideas that Align with the Research
Programming for adolescent mental health works best when the plan supports behaviour first. The research trends aren’t really pointing towards one “magic” exercise selection though. They’re pointing towards a training set-up that is easy to stick to, easy to repeat and easy to succeed with. That’s the foundation you build mood and confidence on.
An eight-week block is a helpful starting point. It gives enough time for the routine to settle in and for the client to feel genuine progress, not just novelty. It also gives you a natural finish line to work towards, which helps maintain motivation. Weeks one and two often feel like “learning the system”. Weeks three to six are where confidence starts to grow. The final couple of weeks are where the client usually realises they’re doing things now that used to feel intimidating.
Keeping sessions under an hour helps as well. Many teens struggle to concentrate for long periods and long workouts can feel like a bigger commitment than they’re ready to make. Shorter sessions reduce the mental barrier to turning up. They also reduce the chance of finishing feeling drained, which matters when you’re trying to build a positive relationship with training.
Frequency also needs to be considered. The evidence suggests benefits appear more reliably when activity happens more than three times per week, and that doesn’t mean hard training every time. Think of it as building rhythm. Two days of resistance training can do a lot of the heavy lifting for confidence and self-esteem. Then one or two lighter aerobic sessions can support recovery, cardiovascular fitness and stress regulation. These can be steady walks, cycling, easy rowing or low-pressure intervals with plenty of rest. The goal is consistency and a calm nervous system, not punishment.
A simple weekly set-up like two full-body strength sessions and one to two aerobic or interval-based sessions. The strength sessions can stay very classic and very repeatable, built around squat, hinge, push, pull and carry patterns. Repeating those patterns week to week builds familiarity and makes progress easy to spot. Aerobic sessions should stay controlled and predictable, with intensity kept in a range that feels manageable and leaves the client feeling better afterwards.
Progression is where you protect confidence while still moving forward. Start by building reps, control and therefore confidence before chasing heavier loads. Many adolescents respond really well to knowing they’re not expected to max out or prove themselves. Most sessions can sit at a submaximal effort level, with a few reps left in reserve, so training is steady rather than stressful. Deload weeks can also help. They normalise recovery, reduce pressure and reinforce the idea that rest is part of progress rather than a sign of failure.
This are the frameworks of training covered in our exercise for adolescents course. You won’t just learn how to programme exercises. You’ll learn how to programme behaviours, habits and consistency, so training becomes something a young person can actually stick to.
Closing Thoughts
Exercise can be a genuinely useful support for adolescent mental health when it’s delivered in a way that feels safe, steady and manageable. Resistance training often works well as the backbone because it builds confidence through clear, measurable progress. Aerobic work adds another layer by supporting fitness, recovery and stress tolerance. The biggest driver, though, is the delivery with a predictable structure, consistent sessions and calm coaching that helps young people leave feeling capable rather than judged.
For us as fitness professionals, our job is to apply the evidence in a way that respects what adolescence in this day and age is actually like. Keep the plan simple, keep progress realistic and make showing up feel achievable. When training becomes a reliable part of a young person’s week, it can support mood, confidence and coping in a way that feels practical and lasting.
Reference
- Carter, T., Morres, I. D., Meade, O., & Callaghan, P. (2025). Exercise interventions for depression in children and adolescents: A systematic review and meta-analysis of randomized controlled trials. Frontiers in Psychiatry. Click here to review the full research article.
- Rodriguez-Ayllon, M., Estévez-López, F., Cadenas-Sanchez, C., et al. (2025). Effects of exercise on anxiety symptoms in children and adolescents: A systematic review and meta-analysis. Scandinavian Journal of Medicine & Science in Sports. Click here to review the full research article.
- Lubans, D. R., Richards, J., Hillman, C. H., et al. (2025). Physical activity and mental health in children and adolescents: A systematic review and meta-analysis of reviews. British Journal of Sports Medicine. Click here to review the full research article.
- Biddle, S. J. H., Ciaccioni, S., Thomas, G., & Vergeer, I. (2019). Physical activity and mental health in children and adolescents: An updated review of reviews. British Journal of Sports Medicine. Click here to review the full research article.
Foundations That Support Long-Term Coaching
If you’re looking to start a career in fitness and want to work with younger clients, it helps to know that personal training today isn’t only about sets and reps. Recent 2025 reviews suggest that structured exercise programmes lasting around 8 weeks, delivered more than three times per week and kept under 60 minutes per session, are linked with improvements in adolescent mood, anxiety symptoms and self-esteem. That kind of impact comes from good coaching fundamentals which include clear session structure, realistic progression and the ability to create an environment where people feel capable. The Gym Instructor & Personal Trainer Practitioner, Specialist & Master Diplomas give you that foundation, then build your confidence step-by-step so you can coach real people with real life going on, not just write programmes on paper.
Gym Instructor & Personal Trainer Course – Distance Study, In-Person & Live-Virtual
Help Adolescents Build Strength, Confidence and Consistency
Coaching adolescents well takes more than scaling down adult workouts. Recent 2025 reviews show that exercise programmes lasting around 8 weeks, delivered more than three times per week and kept under 60 minutes per session are more consistently linked with improvements in mood, anxiety symptoms and self-esteem in young people. Resistance training in particular shows strong associations with confidence and depressive symptom reduction, while combined approaches support emotional regulation. The Exercise for Adolescent Clients course is built around exactly those realities, helping you understand how to programme, coach and communicate in a way that feels safe, structured and effective for teenagers, while staying firmly within your professional scope.
Exercise for Adolescent Clients Course – Distance Study
Essential Skills for Supporting Mental Wellbeing
Around 1 in 6 people in the UK experience a mental health problem in any given week, and the Mental Health First Aid course gives you practical skills to spot early warning signs, respond appropriately and support people safely and confidently when it matters most.
Mental Health First Aid (MHFA) – Distance Study
