Bodyweight · beginner · waist
Dolphin plank hold
Also called Dolphin pose, Ardha Pincha Mayurasana, Forearm downward dog, Forearm dog, Dolphin plank.
What is demonstrated here is dolphin pose: forearms down, hips lifted to the peak of an inverted V, head hanging free between your upper arms, heels off the floor. It is not the flat forearm hold the name promises, and the distinction is not pedantry, because the one study to record both positions in the same session found the muscles either side of the spine reading highest in this piked one. The catalog files it under abs. The measurement points at your back and your shoulders.
How to do it
- Step oneBegin on your forearms and knees with your elbows directly beneath your shoulders and your forearms flat on the floor, hands about shoulder-width apart.
- Step twoTuck your toes under and lift your hips toward the ceiling until your body makes an inverted V, with your legs as straight as they will go and your heels off the floor.
- Step threePress your forearms down and draw your shoulders back over your elbows so your head hangs freely between your arms without touching the floor.
- Step fourHold the position for the desired duration while breathing steadily.
- Step fiveRelease by lowering your knees to the floor.
What usually goes wrong
Each starts with what you would notice.
Your hips have sunk and you are now looking at the floor rather than at your feet.
WhyThe fold at your hip has opened out, so the peak has flattened and you have arrived in a different exercise: an ordinary forearm hold, with your trunk fighting to stop your body bending backward instead of holding a shape.
FixWalk your feet in a few inches and lift your hips back toward the ceiling until your body reads as two straight sides meeting at the top. If the peak will not come back, you are done, and finishing there is worth more than staying down in the wrong shape.
Your neck is what you notice afterward.
WhyYour head has come to rest on the mat, so it is carrying weight it has no business carrying. That usually happens because the shoulders have slid forward past the elbows and something had to take the difference.
FixDraw your shoulders back over your elbows so your head hangs clear of the floor with nothing under it. Your ears should sit roughly level with your upper arms, not in front of them.
Your shoulders feel jammed and your upper back is doing something you cannot name.
WhyThe elbows have crept wider than your shoulders, so your chest is sinking between two arms that are no longer under it and the joint is holding you at an angle it does not like.
FixSet the elbows shoulder-width and no wider before you lift the hips, and press the whole forearm down rather than just the elbow. If the elbows slide out again during the hold, that is your endpoint.
You are grinding your heels down toward the floor and your lower back has rounded.
WhyThe heels are lifted in the demonstration for a reason. When the ankles and the back of the legs will not let them down, forcing it pulls your pelvis under, and the fold that should be happening at your hip starts happening in your lower back instead.
FixBend your knees as much as you need to and leave the heels wherever they land. The fold belongs at the hip, and a soft knee is what buys it. Nothing about this position requires flat feet.
This is the pose, not the plank
Two different holds share the dolphin name, and this entry, its title and most of the internet get them mixed up. The flat one keeps your hips level with your shoulders and heels. The piked one, which is what the loop above shows, lifts them into a peak with your head down between your arms.
They were put side by side once, along with a straight-arm hold, with electrodes on the abdominal muscles and the spinal muscles on both sides of the body. The flat version was the one where every muscle recorded read above the reference contraction. The piked version was the one that stood out for the muscles running either side of the spine, and the authors tied it to endurance in those muscles rather than to abdominal work.
So the two are not grades of one exercise, and moving between them is not progression. Sitting into the peak makes it easier on your trunk and harder on your shoulders. If it was the flat hold you were after, its close relative on this site is the weighted plank, and the straight-arm hold is the plank.
On forearms or on hands
Downward dog is the same fold done on straight arms, and swapping to forearms changes two things at once.
It takes your wrists out entirely, which is the reason a lot of people end up here at all. It also drops your shoulders closer to the floor, so your upper arms sit further overhead relative to your torso and the shoulder is being asked to support you nearer the end of its travel. That is the part people underestimate, and it is why this version can feel harder while looking like the gentler option.
The straight-arm version has been measured in a set of 16 poses used for back pain and it came out among the mild ones, under 20 percent of a maximal contraction across every muscle they recorded. Nobody has published the equivalent for the forearm version, so we are not going to imply a ranking between them.
What the name is hiding
The word plank in the title is doing real damage here. It tells you to expect a flat body and a trunk under tension, and it sends you to a position that is neither. Anyone arriving from a gym vocabulary is going to hold this wrong for weeks, because the thing they are aiming at is not the thing on the screen.
The second problem is what it is filed as. Abs sit at the top of the listing, and the only measurement of this posture puts the standout reading in the spinal extensors and connects the pose to endurance there. That is a genuinely useful property. It is just not the property the label advertises, and choosing this over a flat hold because you wanted abdominal work is choosing on a misunderstanding.
There is also a limit worth stating on the shoulders. This position clearly loads them, holding your body up with your arms overhead, and nobody has recorded a shoulder muscle in it. So there is no figure to give you and we will not invent one.
Last, the honest framing. This is a yoga posture, and the useful part of it here is that it is a hold you cannot cheat with a clock: the shape either exists or it does not, and it is visible from across a room.
What it is for
The dolphin plank hold is a bodyweight isometric exercise performed on the forearms with the hips lifted into an inverted V, the forearm version of downward dog. It is listed under abs, with secondary work in the shoulders and lower back, and holding it asks the shoulders to support the body overhead while the muscles either side of the spine hold the fold.
Questions people ask
- What is a dolphin plank hold actually showing?
- Dolphin pose. Forearms on the floor, hips lifted into an inverted V, head hanging between your arms, weight on the balls of your feet. It is the forearm relative of downward dog, and it is a different position from the flat forearm hold the name suggests.
- Is dolphin plank the same as dolphin pose?
- They are two different holds sharing one word, and they behave differently when measured. The plank keeps the body flat. The pose folds you at the hip into a peak, which moves work off the front of your trunk and onto your shoulders and the muscles beside your spine.
- What muscles does dolphin pose work?
- Your shoulders hold you up on your forearms and the muscles either side of your spine hold the fold, which is where the one recording of this posture found the standout reading. Your abs are working, and they are not the headline they are listed as.
- Why does my neck hurt in dolphin pose?
- Almost always because your head has landed on the mat. It should hang clear, with your shoulders drawn back over your elbows so nothing rests underneath it. If something hurts and keeps hurting, that is a question for a physiotherapist.
- Should my heels touch the floor in dolphin pose?
- They do not need to and in the demonstration they do not. Chasing flat heels tends to round your lower back, which moves the fold out of your hip. Bend the knees and let the heels sit wherever they sit.
- Is dolphin pose harder than a plank?
- Harder on the shoulders and easier on the trunk, so the word harder does not settle it. Lifting the hips into a peak takes away most of what your abs were resisting and hands your arms a bigger share of you at a deeper angle.
