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Physical effort: High Posterior

Fireman: rear-entry position on a chair, with one foot up on the backrest

The Fireman is a demanding rear-entry position built around a sturdy chair. The receiving partner gets on all fours on the seat, facing the backrest, with one knee and both hands on the seat and the other leg stretched back in the air. The penetrating partner stands behind on one leg and raises the other, resting that foot on top of the backrest, above the receiving partner's back. It allows deep penetration, vaginal or anal, but it asks for strength, balance and a very stable chair: it is a position to try with care rather than an everyday choice.

Also known as: Firefighter · Elevated doggy style

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Illustration of Fireman: Acrobatic rear-entry position: the receiving partner kneels on a chair seat with one leg stretched back, and the penetrating partner stands behind on one leg, w
Anatomy and biomechanics

Place a solid chair with the backrest facing away from the penetrating partner. The receiving partner kneels on the seat facing the backrest: one knee and both hands rest on the seat, the torso tilts forward and down, and the head rises beyond the backrest. The other leg stretches straight back and stays lifted. The penetrating partner stands behind, one foot firmly on the floor, bends the other leg and places that foot on the top of the backrest, over the receiving partner's back. Their hands rest on the receiving partner's shoulders, which also helps them keep their balance. From there the penetrating partner sets the rhythm with small pelvic movements; the angle allows deep penetration. All the weight rests on one standing leg and on the chair, so movements should stay short and controlled.

Why this position works

Some couples like it for its challenge and its sense of play: it is a position to try once in a while, with a lot of laughing and adjusting. The tilted pelvis and the angle from behind allow deep penetration, which some people find very intense and others find too much. The penetrating partner leads the rhythm, and the raised leg on the backrest gives a feeling of dominance that some partners enjoy. There is no eye contact and little room for kissing: the appeal is the physical intensity, not the closeness.

Variations of this position

Variation 1: both feet on the floor

The same position on the chair, but the penetrating partner keeps both feet on the floor instead of raising one onto the backrest.

The penetrating partner does not lift a leg onto the backrest: they stand behind with feet hip-width apart and knees slightly bent, hands on the receiving partner's hips or shoulders. It removes the balance challenge and is the best way to start.

  1. Place the chair against a wall; the receiving partner kneels on the seat facing the backrest, with one knee and both hands on the seat.
  2. The receiving partner stretches the other leg back, or keeps it lower if that is more comfortable.
  3. The penetrating partner stands behind with both feet on the floor, hip-width apart, and bends their knees until the pelvises are level.
  4. Hands go on the receiving partner's hips or shoulders; the penetrating partner moves with short, controlled strokes.

Variation 2: both knees on the seat

The receiving partner rests both knees on the seat instead of stretching one leg back, which makes their side of the position much steadier.

Instead of one knee on the seat and the other leg in the air, the receiving partner kneels with both knees on the seat, close together, and both hands on the seat or on the backrest. The pelvis stays a little higher and more stable; the penetrating partner can still raise one foot onto the backrest or keep both feet down.

  1. Use a chair with a wide seat; put a towel on it to cushion the knees.
  2. The receiving partner kneels on the seat with both knees, facing the backrest, hands on the seat or gripping the top of the backrest.
  3. The penetrating partner stands behind and adjusts their stance until the pelvises are level.
  4. If balance allows, the penetrating partner raises one foot onto the backrest; otherwise they keep both feet on the floor.

Variation 3: holding the raised leg

The penetrating partner keeps one hand on a shoulder and uses the other to support the receiving partner's raised leg by the thigh.

In the basic position the receiving partner holds their extended leg up on their own, which tires the hip and lower back. Here the penetrating partner supports that thigh with one hand, so the leg can relax and the receiving partner's pelvis opens a little more. The penetrating partner keeps the other hand on the receiving partner's shoulder for balance.

  1. Get into the basic Fireman position on a chair placed against a wall.
  2. The penetrating partner moves one hand from the shoulder to the inside of the receiving partner's raised thigh.
  3. The receiving partner lets the leg rest in that hand instead of holding it up.
  4. Move slowly: with one hand busy, the penetrating partner has less support, so keep the strokes short and stop if balance fails.

✓ Tips

  • Use a sturdy chair without wheels, with four legs on the floor; standing it against a wall keeps it from sliding.
  • Stability first: the penetrating partner stands on one leg, so keep movements short, hold the receiving partner's shoulders lightly for balance and stop as soon as either of you feels unsteady.
  • Put a folded towel or cushion on the seat to protect the receiving partner's knee, and change sides if the supporting knee or the wrists get tired.
  • Go in slowly and avoid pulling all the way out and thrusting hard: from behind, a penis that slips out can bend against the body and be injured.
  • For anal sex, use plenty of lubricant and a condom, prepare first and go gradually; never switch from anal to vaginal without changing the condom.
  • Mistake: pushing deep from the very start. The angle allows a lot of depth; build up gradually and stop if there is any pain.

Key facts

Interaction type
Rear-entry vaginal or anal penetration, with the receiving partner on all fours on a chair
Active anatomy
Penis
Receptive anatomy
Vagina or anus
Main stimulation
Deep vaginal or anal penetration from behind
Setups and participants
Couple · 2 people Hetero

Frequently asked questions

Is the Fireman suitable for beginners?

Not really. It requires balance on one leg, strength and a very stable chair. It is best to try it once you are comfortable with simpler rear-entry positions such as doggy style, and to start with the variation that keeps both feet on the floor.

Can it be used for anal sex?

Yes. The mechanics are the same, but it needs plenty of lubricant, a condom, prior preparation and slow, gentle movements. Because the angle allows deep penetration, it is important to stop if there is any pain.

What is the main risk?

Losing balance or the chair moving. Use a solid chair against a wall, keep movements short and stop if either of you feels unsteady. Hard thrusts are also a risk for the penis if it slips out.

Who controls the rhythm?

Mainly the penetrating partner, who is standing behind. The receiving partner can ask for changes or gently push back, but their hands and one knee are busy holding them on the seat.

Reviewed by the editorial team ·

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