Controllable, usable range
Range built as a skill and owned under your own strength, not stretched into and lost by the next session.
UNTIL Liverpool Street, London
Mobility & Flexibility Coaching
Mobility & Flexibility Coaching in Liverpool Street
Own the range your joints should have and train pain-free, with mobility coaching in Liverpool Street.
Own the range your joints should have and train pain-free, with mobility and flexibility coaching at UNTIL Liverpool Street, London, backed by Functional Range Conditioning.
The short answer
What mobility and flexibility coaching is
Mobility and flexibility coaching with Jasper MacDermot is 1-2-1 work at UNTIL Liverpool Street that builds range you can actually control, because controllable range is what protects you, improves your lifts, and takes the stiffness out of a desk-bound day. Flexibility is how far a joint will move, mobility is how much of that range you can control under your own strength, and the aim here is squarely the second.
This is a defining part of how Jasper coaches, and it grew out of his own story. A decade of hard training left him beaten up and in pain, and the way back was treating mobility as a trainable skill rather than a warm-up afterthought. Backed by Functional Range Conditioning, your range is assessed honestly, trained with intent, loaded gradually, and woven into your strength work so the gains stick.
Range that is not loaded does not last, so once your control improves the new range is reinforced with gradual loading and a little consistent homework, then integrated into the squat, hinge, and press so your strength has somewhere to go. You do not need to be flexible to start: most people who come for mobility coaching feel stiff and restricted, and that is exactly the point to begin from.
Who this is for
Is mobility coaching right for you?
Mobility coaching builds range you can actually control, because controllable range is what protects you and improves your lifts. This is ideal for you if you:
Feel stiff, restricted, or stuck in the same nagging positions
Spend long days at a desk and want to move and train pain-free
Want range you can control, not stretches you lose by the next session
Keep hitting the same limits in the squat, hinge, or press
Want mobility trained as a skill and woven into your strength work
Do not need to be flexible to start, only willing to train range over time
What mobility and flexibility coaching includes
Controllable, usable range built as a skill, backed by Functional Range Conditioning, so the gains actually stick.
Functional Range Conditioning
FRC principles applied to the joints that limit your lifts and your day, assessed honestly before any work begins.
Trained under load
Mobility loaded gradually and integrated with your strength work, not bolted on at the end of a session.
Less stiffness and tightness
Less of the nagging tightness and restriction that quietly limits how you move through a desk-bound day.
Better lifting positions
Stronger positions in the squat, the press, and the hinge, so your strength has somewhere to go.
Progress you can measure
Tracked as range and control and reviewed honestly over weeks, so you can see what is actually changing.
Coaching at UNTIL Liverpool Street
Coaching runs at UNTIL Liverpool Street, a private members club at 280 Bishops Square in the City of London, about two minutes from Liverpool Street station. It is a calm, well-equipped space to train properly around a working day in the City.
Location
UNTIL Liverpool Street
280 Bishops Square, UNTIL Liverpool Street
London EC2M 4RB
Get DirectionsOpening hours
Monday-Friday: 06:00 to 21:00
Saturday: 08:00 to 14:00
Phone
+44 7523 394605Getting here
Liverpool Street station (Elizabeth, Central, Circle, Hammersmith and City, and Metropolitan lines): about 2 minutes walk
Bishopsgate: a short walk
How mobility coaching
works
Flexibility is how far a joint moves; mobility is how much of that range you can control. Jasper assesses your control, trains the restricted ranges as a skill, loads them so they last, and integrates it all with your strength work.
Assess your range and control
It starts with an honest look at how your joints move and, more importantly, how much of that range you can control. Drawing on Functional Range Conditioning, Jasper finds the areas limiting your training and your day.
Train range as a skill
Mobility is trained, not just stretched. You work the restricted ranges with intent and control, building active strength at the end ranges where most people are weakest, so a position you can barely reach becomes one you can own.
Load it and make it stick
Range that is not loaded does not last. Once control improves, the new range is reinforced with gradual loading and a small amount of consistent homework, so the gains hold between sessions rather than resetting.
Integrate it with your training
Mobility is woven into your strength work rather than treated as a separate session. Better positions in the squat, hinge, and press mean your strength has somewhere to go, with less of the nagging tightness that holds people back.
Where you train
In-person coaching runs at UNTIL Liverpool Street, a private members club at 280 Bishops Square in the City of London, about two minutes from Liverpool Street station. A calm, well-equipped space to train properly around a working day in the City.
- A private strength floor at UNTIL Liverpool Street, 280 Bishops Square in the City of London
- About two minutes from Liverpool Street station and Bishopsgate
- Elizabeth, Central, Circle, Hammersmith and City, and Metropolitan lines all within reach
- Recovery rooms, changing rooms, and a members lounge alongside the training floor
Pricing
Pricing
Mobility & Flexibility Coaching Coached 1-2-1 or built into a wider programme. Structured to your restrictions, goals, and schedule.
On enquiry
Written byJasper MacDermot, Personal Trainer & Strength Coach · Functional Range Conditioning (Functional Anatomy Seminars) principles, alongside UK Chief Medical Officers’ physical activity guidelines.
FAQ
Mobility and flexibility
FAQs
What is the difference between mobility and flexibility?
Flexibility is how far a joint can be moved passively; mobility is how much of that range you can actively control under your own strength. A flexible joint you cannot control is not much use under load. Jasper focuses on building usable, controllable range, which is far more durable, protective, and useful in training.
Can mobility work help with stiffness and old aches?
Very often, yes. Stiffness usually reflects a lack of controlled range rather than a lack of stretching, and training that range as a skill tends to help far more than passive stretching alone. It starts with an honest assessment of where your control is actually limited, then targeted work to rebuild it safely.
Will mobility training slow down my strength work?
No, they work together. Better mobility lets you train the big lifts through fuller, safer range, which usually improves your strength rather than competing with it. Jasper integrates mobility into the programme rather than treating it as a separate session, so it adds to your training instead of eating into your time.
Do I need to be flexible already to start?
Not at all. Most people who come for mobility coaching feel stiff, restricted, or stuck in the same nagging positions, and that is exactly the starting point. Your assessment shows where your control is limited today, and the programme builds from there at a pace your joints can actually adapt to.
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Jasper MacDermot • 280 Bishops Square, UNTIL Liverpool Street, London EC2M 4RB
EnquireAppointments typically available within 1–2 weeks