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Core Essentials

Four weeks to a stronger, more coordinated core.

What's Core Essentials all about?

Snapshots from the course!


  • Too busy for the gym?
  • Value flexibility & control over your schedule?
  • Believe you can't strengthen your core without hours of work?
  • Struggle to make time for yourself?
  • Not sure where to start?
  • Give everything you do your all?
  • Crave a stronger, more reliable core?

This is why I made Core Essentials. No matter what we do in our lives we need a strong core. We need a core that can support us at work, at home, on holiday, when competing, when relaxing... essentially we need a core that works hard for us 24/7. A strong core doesn't need hours in a gym or any fancy equipment.

I'm a personal trainer with a desk job. I don't have a gym membership. I don't prioritise training over everything else. I am the imperfect PT... but I get my training in. I make progress and I enjoy balance in my life. My core is strong enough for my favourite sports and I haven't don't a sit up in years. I want you to have a back-pain free, strong, robust core. To do this I've made this course with all of the conditioning exercises I use!

For many of us the first exercise that comes to mind with the word 'core' is a crunch or a sit up. While these exercises have their place, they are not the only way to strengthen our core and they miss the majority of the other muscles which support our torso.

Think of a movement you use in your day to day which tests your core. How similar is that to a sit up? Chances are it's not all that similar. It likely involved leaning, bracing, balancing or any number of other multi-directional movements. Preparing for these movements takes more than just crunches... and that's where Core Essentials comes in!

How does Core Essentials work?

How does a 4 week course transform your core? By using effective, specific exercises that you can keep doing anywhere you are.

The course has three parts:

  1. The Theory: I'll be honest - I'm a nerd. Understanding my body reassures me that I'm looking after it the best way I can, and I want to give you that feeling too. The exercises we cover work a range of muscles, so we are going to run through what the muscles are and the technique of each exercise!
  2. Scheduling Call: I want you to get through this whole course. I've made this as a 4 week programme for a reason and I want to make sure you get through every workout. During the scheduling call we will chat about your barriers & set a pattern for your workouts.
  3. The Workouts: This is the main course. Each week you get 3 workouts that take you through the nuances of Technique, Turns, Twists & Testing your core.

That sounds amazing! But what if I struggle?

You are not in this alone, we have a Facebook Group which you are encouraged to join. Being part of a community makes big changes feel more achievable. Fitness & Mindset - Cherry Tree Training is a community of people just like you. Join in, say hello & ask all the questions in the world!

Get started now!



Get started now!



Your Instructor


Seonaidh Jamieson
Seonaidh Jamieson

Seonaidh is the owner and founder of Cherry Tree Training. Working across two exciting industries she brings energy and enthusiasm into her varied roles.

Seonaidh is a personal trainer with a desk job. Working 3 days a week as a project manager for RSPB, she understands the realities of desk life and physically demanding outdoor roles.

This juxtaposition of intense activity and sedentary life lead her to create her Corporate offers and train as a Manual Handling Trainer. Taking the same body to work means we must care for our body at work so it can do it's 'out of work' jobs.

As well as her corporate world work, she has taken dozens of people through their initial steps into fitness and up to training challenging movements and skills. She has worked in the fitness industry for 9 years and has a comprehensive approach supporting your mindset, body and schedule through your fitness journey.

Before establishing Cherry Tree Training in 2018, Seonaidh volunteered her time to support a small local charity - Calder Rivers Trust. To ensure her on-going ability to support this organisation 20% of Cherry Tree Training's time will be spent on Calder Rivers Trust.

If you'd like to know more then drop Seonaidh a message, she's always happy to hear from new people!

Seonaidh Jamieson BSc, PGCert is a Level 3 Personal Trainer, with additional qualifications in Sports Physiology and Flexibility Training for Aerialists, is a certified mobility instructor with Bodyweight Gurus, and has qualifications in Pole Fitness instruction.


Upcoming assessments - Spin City Pole Intermediate Pole Instruction


Frequently Asked Questions


What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How does this course work?
You will start by completing a theory section looking at your core anatomy and our key core exercises. (roughly 1 hour) before signing up to our online training programme. You will get your three workouts sent to your phone on Monday, Wednesday and Friday each week. All of the workouts are quick and need no equipment, perfect for busy schedules!

This is the last time Core Essentials will be available for £47 - so take advantage today!

Get started now!