RN
The list is always roughly the same. The 69. Doggy style. Something involving a pretzel. A position named after a pinball machine. Each one is introduced as ancient wisdom from a Sanskrit text, and almost none of them are in it.
Most of those names were coined by American and British magazines in the last few decades, which is a perfectly respectable origin for a sex tip and a poor one for a claim of antiquity. Attaching them to a two-thousand-year-old book is marketing.
What the text actually is
The Kāmasūtra is attributed to Vātsyāyana and usually dated to somewhere around the third century CE. It is a treatise on kāma — pleasure, desire, the aesthetic dimension of life — within a broader framework of how an educated person in that society was expected to live.
It runs to seven books. One of them concerns sexual union. The other six deal with courtship and how to approach someone, the conduct of a marriage, relations with other men's wives, the world of courtesans, and a final section on attraction and adornment. Substantial parts of it are closer to a social manual than anything else: how to furnish a house, what a cultivated person should be able to do, how to conduct oneself.
Even inside the book on sexual union, the taxonomy of positions is a section rather than the point, and it is embedded in a framework about compatibility, embraces, kissing, and the pacing of an encounter. The modern reception has taken one shelf out of a library and put the library's name on it.
None of that makes the book sacred or the positions worthless. It just means that if a position appeals to you, it appeals on its own merits and does not need a lineage.
A more useful frame than names
Positions are not a catalogue to work through. They are combinations of four variables, and once you can see the variables, you can adjust rather than memorise.
Angle. Which part of the vaginal or anal canal receives the most contact. This is the variable that changes sensation most and it is highly individual — the angle that one person finds transformative another finds uninteresting. Small adjustments in hip position change it more than switching positions entirely.
Depth. How much penetration the position permits, and — often more usefully — how much it limits. Positions that restrict depth are frequently the more comfortable ones, and the assumption that deeper is better is the single most common mistake in this whole topic.
Who controls movement. The person underneath, the person behind, or both. This determines pace, and pace determines almost everything about whether an encounter works. Handing control to the receiving partner is the most reliable adjustment available when something is uncomfortable.
What else is free. Hands, mouths, sightlines, whether a toy can reach, whether you can see each other's faces. Most positions that people rate highly rate highly because of what they leave available, not because of the penetration geometry.
Run any position you have heard of through those four and you will know more about whether it suits you than any name will tell you.
The practical layer
Support beats flexibility. Cushions under hips, under the lower back, under knees. A firm pillow changes the angle of nearly every position and costs nothing. Most positions marketed as requiring athleticism become straightforward with something under someone's hips.
Height differences are geometry, not incompatibility. A bed edge, a stack of cushions or a different surface entirely resolves most mismatches that couples otherwise treat as a fixed limitation.
Lubricant makes several positions viable that otherwise are not. Anything with a restricted angle, anything sustained, anything anal.
Nobody looks like the illustration. Diagrams are drawn to be legible, not to be held. The version you can actually stay in for more than ninety seconds is the correct one.
Where the injuries come from
This is worth knowing because it is short, specific, and almost never mentioned.
Penile fracture — a tear in the erectile tissue — is uncommon but real, and it happens overwhelmingly when the penis slips out and the receiving partner's weight comes down onto it at an angle. Positions where the receiving partner is on top and moving vigorously are the usual context, along with vigorous rear-entry. It presents as an audible crack, immediate pain, rapid swelling and loss of erection, and it is a surgical emergency where speed of treatment materially affects the outcome. Nobody should be sitting at home hoping it settles.
Less dramatically: standing positions and anything requiring one person to bear the other's weight cause a steady trickle of back and knee injuries; sustained kneeling on a firm surface is worse for knees than people anticipate; and neck strain from holding a head at an angle for a long time is common enough to be worth adjusting for.
If someone has a specific back, hip, knee or pelvic condition, positions are one of the things a physiotherapist will actually discuss, and asking is more productive than working around it silently.
Novelty is not the mechanism
The premise of every article of this kind is that boredom is a technical problem with a technical solution. Sometimes it is. More often the position rotation is a proxy for something else — pace, attention, the sense of being wanted, the fact that both people are tired.
Which does not mean don't try things. Trying things is enjoyable in itself, and the trying is usually more fun than the position. It means that a couple who found six new positions and still felt the same afterwards did not fail at the positions.
The one genuinely durable thing in the Kāmasūtra is not on any list: the assumption running through it that the other person's experience is a subject worth studying in detail. Everything since has mostly been rediscovering that with new names attached.