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Physical effort: High Posterior

Explosion of Pleasure: rear entry in a plank, feet up on the sofa armrest

Explosion of Pleasure is an acrobatic rear-entry position on a sofa. The receiving partner lies flat on her front along the seat, legs together, head resting on her arms. The penetrating partner holds a straight plank above her, with his feet up on the armrest, one hand on the seat and the other on her back. Penetration, vaginal or anal, can be deep, and he sets the pace. It takes real strength and balance, so it is not one for beginners.

Also known as: Sofa plank from behind · Elevated prone bone

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Illustration of Explosion of Pleasure: A demanding rear-entry position on the sofa: she lies flat on her front along the seat while he holds a plank above her, feet up on the armrest.
Anatomy and biomechanics

She lies face down along the sofa seat with her legs together and straight, her head resting on her folded arms; her chest and abdomen rest on the cushions. He holds a push-up plank above her: his feet are on top of the armrest, his body is straight and angled downwards towards her head, one hand rests flat on the front edge of the seat and the other on her upper back. His pelvis sits just above her buttocks, so he enters from behind and from above. He controls the rhythm with short movements of the hips while keeping his core tight. His wrists and lower back carry most of the load, and her abdomen is pressed into the seat with each thrust. There is no eye contact and body contact is limited to the pelvis and one hand.

Why this position works

Some couples are drawn to it for the challenge and the sense of intensity: he is in full control from above, and the steep angle and her closed legs can create a feeling of tightness and depth that some people enjoy. For her, it can be a way to lie still and let go. It is more of a playful, athletic position than an intimate one, and how it feels varies from person to person.

Power Play Vigor and Energy Sensory Exploration Complete Rhythm Control Difficult High Mobility Required Penis-Anus Configuration Penis-Vagina Configuration

Variations of this position

Variation 1: knees on the seat

The beginner version: he rests his knees on the sofa seat instead of putting his feet up on the armrest, keeping his hands in place.

With his knees on the seat on either side of her legs, his body is no longer angled head-down and the load on his wrists and lower back drops sharply. Thrusts are shorter and easier to control, and penetration is slightly less deep. It is the best way to try the angle before moving to the full plank.

  1. She lies face down along the seat, legs together, head on her arms.
  2. He kneels on the seat astride her thighs, one knee on each side.
  3. He places one hand on the edge of the seat and the other on her upper back, without leaning his weight on her.
  4. He enters from behind with short hip movements and plenty of lubricant.

Variation 2: with a cushion under her hips

A thin cushion under her hips raises her pelvis slightly; he stays in the plank with his feet on the armrest.

Raising her pelvis makes the angle of entry less forced: he does not have to angle down as steeply, and thrusting is more comfortable for both. The cushion also spreads the pressure of her abdomen against the seat.

  1. Place a thin, firm cushion under her hips before you start.
  2. She lies face down over it, legs together and head on her arms.
  3. He puts his feet up on the armrest and moves into the plank, one hand on the seat and the other on her back.
  4. Adjust the cushion until the angle feels comfortable, and start with slow movements.

Variation 3: he rests on his forearms

He keeps his feet on the armrest but drops from his hands onto his forearms, resting on the seat on either side of her.

Moving from hands to forearms takes the load off his wrists and brings his chest closer to her back, with a little more contact. In exchange, his body is angled more steeply, his core works harder and the range of each thrust is shorter.

  1. Start in the base position, with him in a plank and his feet on the armrest.
  2. He lowers one forearm and then the other onto the seat, on either side of her body.
  3. He keeps his core tight so his weight does not sink onto her back.
  4. He moves with short thrusts; if the sofa gives way or he tires, he brings his knees down.

✓ Tips
  • Use a sturdy sofa that does not slide, with a firm armrest; if it wobbles or you feel unstable, stop.
  • He needs a strong core and wrists: try it only if you can hold a plank comfortably, and come down onto your knees as soon as you get tired.
  • Keep the thrusts short and controlled. Pushing hard from above at a steep angle can bend the penis if it slips out; slow down and re-enter carefully.
  • Don't rest your whole weight on her back: the hand on her back is for guidance, not support.
  • Her abdomen is pressed into the seat; if she feels discomfort, place a thin cushion under her hips (variation 2).
  • Use plenty of lubricant. For anal sex, also use a condom, prepare gradually and go slowly.
  • Use a condom to protect against STIs, and stop if anything hurts.
Interaction type
Vaginal or anal penetration from behind, in a plank on the sofa
Active anatomy
Penis
Receptive anatomy
Vagina / Anus
Main stimulation
Deep vaginal or anal penetration from behind and above, with him setting the pace
Setups and participants
Couple · 2 people Hetero

Frequently asked questions

Is it suitable for beginners?

No. Holding a plank with your feet up on the armrest while moving takes strength and balance. Start with variation 1, with knees on the seat, before trying the full version.

Is it for vaginal or anal sex?

It works for both. For anal sex, use a condom and plenty of lubricant, and go slowly, especially as the angle allows deep penetration.

Which parts of the body work hardest?

His wrists, shoulders and lower back, which hold the plank, and her abdomen, which is pressed into the seat. Stop if anyone feels pain.

Is there any risk?

Yes: the main risks are losing balance on the sofa and bending the penis with a hard thrust from above. Use a stable sofa and keep the movements controlled.

Safety and evidence 2 topics · 3 clinical and academic references

Scientific context for common terms used on this page. Keeping these terms makes the content easier to understand; the sources clarify what is established and what remains uncertain.

G-spot: what the evidence says

“G-spot” is a widely used term for a sensitive area of the anterior vaginal wall. Scientific literature has not established a discrete anatomical structure with an agreed location, size and nature; sensitivity and response can vary between individuals.

Sources
O'Connell HE, Sanjeevan KV, Hutson JM. Anatomy of the clitoris. The Journal of Urology. 2005. PubMed ↗
Vieira-Baptista P, et al. G-spot: Fact or Fiction? A Systematic Review. Sexual Medicine. 2021. PubMed ↗

A-spot / AFE zone: limited evidence

The “A-spot” or AFE zone has been proposed to describe a deeper area of the anterior vaginal wall. Available evidence is limited and does not support presenting it as a confirmed anatomical structure.

Sources
Chua Chee Ann. A proposal for a radical new sex therapy technique… the AFE Zone Stimulation Technique. Sexual and Marital Therapy. 1997. Original article ↗

Reviewed by the editorial team ·

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