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Why 1-to-1 Training Beats Group Sessions

16 hours ago
4 min read

"Should I join a group class or train one-to-one?" It's one of the questions I get asked most, especially by people who are new to the gym or coming back after a long break.

Group sessions have a lot going for them, and I'll be honest about that. But if you want the best results for the time and effort you put in, one-to-one training wins almost every time. Here's why, and what the research says.

What group training does well

Group classes and small-group sessions with a personal trainer can be a great way to get moving. They're usually cheaper per session, the atmosphere can be fun and energetic, and training alongside other people can keep you coming back.

The research backs this up. In a 2017 study of 69 medical students, those who did a weekly group fitness class for 12 weeks cut their perceived stress by 26% and improved their physical and emotional quality of life by around 25%. Students who exercised mostly on their own trained for about twice as long but saw much smaller changes.

A 2006 review of 44 studies also found that groups built around a real sense of team spirit helped people stick with exercise better than standard classes. So if motivation and company are what you need most, a group can help.

Group of women exercising with dumbbells in a fitness class

Where group training falls short

The problem is simple: in a group, the trainer's attention is shared. With 8, 10 or 20 people in the room, the coach can't watch every rep, adjust every exercise or notice when you're struggling. Everyone follows the same plan at roughly the same pace, whether it suits them or not.

Why 1-to-1 training gets better results

A programme built around you

In a one-to-one session, the whole plan is designed around your goals, your fitness level, your schedule and any injuries or health conditions you have. Nothing is "one size fits all". If your knees don't like lunges or your shoulder is sore, we change the exercise there and then.

Every rep is watched

The more attention you get, the better you do. A 2010 study split 124 beginners into two groups following the same 11-week weights programme. One group trained with one coach for every 5 people, the other with one coach for every 25. The more closely supervised group improved their bench press by almost 16%, compared with about 10% in the larger group, and only they made significant gains in leg strength.

If one coach for every five people makes that much difference, imagine what one coach for one person can do.

You'll train harder than you think you can

Most of us underestimate what we're capable of. A 2008 study of 46 women who already lifted weights found that those training with a personal trainer chose weights of around 51% of their maximum, compared with about 42% for those training on their own. The women with a trainer were also stronger on the leg press, leg extension and seated row.

Faster progress

Supervision doesn't just help in the moment, it adds up over time. In a 12-week study, men who followed the same programme with a trainer increased their training weights faster and finished with greater strength in both the squat and the bench press than those who trained alone.

Personal trainer coaching a client during a one-to-one gym session

Safer training

Good technique is what keeps you training week after week. One-to-one, your trainer sees every lift and corrects your form before small mistakes turn into injuries. This matters even more if you're a beginner, over 50, coming back from an injury or managing a condition like high blood pressure.

Your time, your pace

Group classes run at fixed times, and you either make them or miss them. One-to-one sessions are booked around your week, and every minute is spent on you, not waiting for equipment or for the rest of the group to catch up.

Real accountability

It's easy to skip a class when nobody will notice. It's much harder to cancel when your trainer is expecting you and tracking your progress. That accountability is often what turns a good intention into a lasting habit.

Which one is right for you?

Group training can work well if you:

  • Already know how to train safely and just want some company and motivation

  • Are on a tight budget

  • Enjoy a social, high-energy atmosphere

One-to-one training is the better choice if you:

  • Are new to the gym or returning after a long break

  • Have a specific goal, like losing weight, getting stronger or preparing for an event

  • Have an injury or health condition, or are over 50

  • Want results in the shortest time possible

  • Feel self-conscious training in front of other people

The bottom line

Group sessions are fun, social and good value, and they're far better than doing nothing. But when it comes to results, safety and making the most of every session, nothing beats having a coach whose attention is 100% on you.

Ready to see the difference? Book a free 30-minute consultation through the Book Online page. We'll talk through your goals, check where you're starting from and plan one-to-one sessions that fit your week.

Mark

Sources

  • Yorks DM, Frothingham CA, Schuenke MD. Effects of group fitness classes on stress and quality of life of medical students. Journal of the American Osteopathic Association, 2017.

  • Burke SM, Carron AV, Eys MA, Ntoumanis N, Estabrooks PA. Group versus individual approach? A meta-analysis of the effectiveness of interventions to promote physical activity. Sport and Exercise Psychology Review, 2006.

  • Gentil P, Bottaro M. Influence of supervision ratio on muscle adaptations to resistance training in nontrained subjects. Journal of Strength and Conditioning Research, 2010.

  • Ratamess NA et al. Self-selected resistance training intensity in healthy women: the influence of a personal trainer. Journal of Strength and Conditioning Research, 2008.

  • Mazzetti SA et al. The influence of direct supervision of resistance training on strength performance. Medicine & Science in Sports & Exercise, 2000.

  • Photos: Unsplash.

 
 
 

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