You do not need to be flexible to start yoga, in the same way you do not need to be fit to start running. Flexibility is one of the things practice changes; requiring it in advance is backwards. If you cannot touch your toes, that is a starting point, not a disqualification.
The more useful question is what a first session is actually like, because the vague dread of walking into a room full of people who already know what they are doing is the real obstacle, and nobody describes the thing itself.
What the first session is
Here is the honest shape of a first one-to-one, in order.
Ten minutes of talking. What you do all day, what has hurt and when, what you have tried, what made you get in touch now. If you have a diagnosis or an old injury, this is where it goes. This part is not a formality — it is where the whole session gets designed.
Five to ten minutes of watching you move. Stand up. Raise your arms. Bend forward as far as is comfortable and stop there. Sit down on the floor and get back up however you normally would. Breathe, while they watch your ribs rather than your face. None of this is a test, and there is no score.
Fifteen to thirty minutes of actual practice. Four or five shapes, done slowly, with corrections. Not a sequence you will remember — a handful of things you can do correctly.
A few minutes at the end. What to do this week: usually two or three things, taking under ten minutes, that you are meant to do more than once.
That is it. No chanting you have to join in with, no incense, no expectation that you know a single Sanskrit word.
The things beginners worry about
"I'm not flexible." Covered above. Also: flexibility varies enormously by joint, and almost everyone is unexpectedly good at one thing. You will find out which.
"I'm not fit." Irrelevant for a first session. A private session runs at your pace by definition, and the pace of the first one is slow.
"I'll be the worst one there." There is nobody else there. This is the specific advantage of one-to-one for a nervous beginner and the reason a lot of people start this way and move to classes later.
"My knees are bad." Then the teacher needs to know, and every shape that involves kneeling has three alternatives. Bring the details rather than leaving them out.
"I don't know what to wear." Anything you can move in that is not baggy enough to hide what your body is doing. Bare feet. That is the whole dress code.
"I'll have to be spiritual about it." You will not. You may find that some of it is more interesting than you expected, but nothing is required of you beyond turning up and moving.
Why a private session first
The counterintuitive thing about beginners' classes is that they are often the hardest place to begin. A beginners' class is a class of people at fifteen different levels being taught one sequence, and the teacher, who has one hour and twenty bodies, cannot stop for yours.
One-to-one solves precisely that. It is more expensive per hour and much cheaper per useful correction. A common pattern is two or three private sessions to learn the basics and get an honest picture of your own body, then group classes with the confidence to modify things when you need to. What private sessions cost in the UK sets out the numbers for that.
What "progress" actually looks like
Not touching your toes. That is a poor measure and an extremely popular one.
Better markers, in roughly the order people notice them: getting off the floor more easily. Sleeping through more nights than you did. Noticing your shoulders are up at your ears and putting them down, at a desk, without anyone telling you. Your breath being slower at the end of a session than the start. And eventually, quietly, a range of movement you did not have.
The first four arrive in weeks. The last one takes months, and it takes months for everybody, including people who look very flexible in photographs.
Questions people ask
Do I need to be flexible to start yoga?
No. Flexibility is an outcome of practice, not a prerequisite for it. A first session is about seeing how your body currently moves and building from there — not being able to touch your toes is ordinary and is one of the more common reasons people start.
What happens in a first one-to-one yoga session?
Roughly ten minutes of conversation about your history and your goals, five to ten minutes of simple movement while the teacher watches how you move, fifteen to thirty minutes of practising a handful of shapes slowly with corrections, and a short plan for what to do on your own before the next session.
What should I wear to a yoga class?
Clothes you can move in that are close-fitting enough for a teacher to see the line of your body. Bare feet. Nothing else is needed for a first session, and no specialist clothing is required at any point.
Is a private session better than a beginners class to start?
For many people, yes. A beginners class still has to teach one sequence to a room at mixed levels, while a private session runs at your pace and corrects your body specifically. Two or three private sessions followed by group classes is a common and effective route in.
How long before I notice a difference?
Ease of movement, sleep and general tension usually shift within a few weeks of regular practice. Meaningful changes in flexibility take months, for everyone. Practising two or three times a week for a short time beats one long session weekly.
A senior yoga teacher at IndieVeda, teaching one-to-one sessions live from India.