What muscles do diamond push-ups work?

The triceps and the chest press together, with the front of the shoulders assisting and the trunk holding you in a line. Measured against standard and wide hand positions, the triceps led the chest in the diamond by the largest margin of the three.

Are diamond push-ups for chest or triceps?

The measurements put the triceps in front. That does not take the chest out of it, and if triceps are what you want tired at the end of the set, this is the variation that does it.

Do diamond push-ups work the inner chest?

There is no inner chest to work. The muscle is divided into upper, middle and lower parts by where it originates, and all of them end on one tendon on the arm. The narrow hands change the pressing angle, not the region.

Are diamond push-ups the best triceps exercise?

They came out top of eight triceps exercises when muscle activity was measured, which is a strong result and is not proof of anything about growth. Treat it as a reason to include them, especially if you have no equipment.

Why do diamond push-ups hurt my wrists?

Bringing the hands together angles the forearms inward while the wrist is already bent back under your bodyweight. Push-up handles or a pair of dumbbells set close together keep the narrow position with a straight wrist.

Do my hands have to touch?

No. Touching is where the name comes from, and hands a few inches apart under your sternum is the same idea with a friendlier wrist. What matters is that the hands stay narrow and the elbows stay tucked.

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Bodyweight · intermediate · chest

Diamond push up

Also called Triangle push-up, Close hand push-up, Diamond pushup.

The short answer

A diamond push-up brings your hands together under your sternum, thumbs and index fingers touching, and lowers your chest to them with your elbows tucked in. Your chest and triceps both press, and this is the push-up variation where the triceps lead. When standard, diamond and wide hand positions were measured against each other, the triceps recorded significantly higher activity than the chest in the diamond, and the gap between the two muscles was widest there.

How to do it

Step oneBegin in a plank position and bring your hands together beneath your sternum, touching your thumbs and index fingers to form a diamond shape.
Step twoKeep your elbows close to your body throughout the movement and engage your core.
Step threeLower your chest toward your hands in a controlled manner until it nearly touches the floor.
Step fourPause briefly at the bottom, then press back up to the starting position.

What usually goes wrong

Each starts with what you would notice.

Your elbows swing out to the sides as you descend.

WhyThe hands are together but the arms are not, so the movement has quietly become a standard push-up performed from an awkward hand position, which is the worst of both. Our demonstration lets the elbows go wide at the bottom of each rep, so take the hand position from it and the elbow path from here.

FixKeep your upper arms brushing close to your ribs the whole way down. If they will not stay there, do the reps with your hands raised on a bench until they will. The tuck is the variation, not a detail of it.

It feels like it is happening at your face rather than your chest.

WhyThe diamond has drifted up toward your head. The higher your hands sit, the further your arms have to reach overhead and the less of the movement your chest and triceps can produce in a straight line.

FixSet the diamond directly under your sternum before the first rep and check it once from the side on your phone. Under the breastbone, not under the chin.

Your wrists complain more than your arms do.

WhyHands together turns the forearms inward while the wrist is bent back under load, which is a position some wrists tolerate and some do not. It is not a sign of doing anything wrong.

FixPut your hands on two dumbbells set close together, or on push-up handles, so the wrist stays straight. That keeps the narrow position and takes the bend out. If something hurts and keeps hurting, that is a question for a physiotherapist.

You go down two inches and press back up.

WhyThe bottom of this variation is genuinely hard, so the reps compress toward the top where the arms are nearly straight and there is very little happening.

FixTouch your chest to your hands on every rep or stop the set. A short rep in a hard variation is a lot of setup for very little work.

Diamond or standard push-up

These two were tested against each other directly in 20 young men, along with a wide hand position, which makes this an unusually clean comparison.

In the diamond, the triceps recorded significantly higher activity than the chest. The same ordering appeared in the standard push-up and in the wide one, and it was most pronounced in the diamond. So bringing the hands together does more than make a push-up harder. It changes which muscle is out in front.

A diamond push-up is the triceps version of the movement, and a standard push-up is the more balanced one. If you can only do one of them, the standard is the better single choice. If you want the triceps to be the thing that gets tired, this is the variation that does it.

Diamond push-up or dips for triceps

Both are bodyweight, both are available, and one study set out specifically to rank triceps exercises against each other, which is exactly the question.

Eight triceps exercises were compared. The diamond push-up produced the greatest triceps activity of the lot, so much so that the researchers expressed every other exercise as a percentage of it. Dips were among the top performers alongside it.

That was fifteen female college students measuring muscle activity, not growth over months, so it is a reason to take the diamond seriously rather than proof it is the best. The honest summary is that both belong in the conversation and the diamond needs no equipment at all.

The inner chest, which does not exist

Diamond push-ups are sold nearly everywhere as the movement that works the inner chest, and the phrase describes nothing.

Pectoralis major divides into three parts, and the division runs from top to bottom by where each part starts: one along the collarbone, one along the breastbone, one lower down from the abdominal wall. All of it converges into a single tendon on the upper arm bone. There is no inner section and no separate inner attachment. The part you can see near the middle of your chest is the far end of the same fibers that run out to your shoulder.

So bringing your hands close together does not aim at a region. It changes the angle your arms press through, which is a real effect with a measured consequence: the triceps take more of the job.

What the diamond will not do is give you a line down the middle of your chest. That is decided by how the muscle is built and what covers it, and no hand position votes on either.

What it is for

The diamond push up places the hands together beneath the chest in a diamond shape, targeting the chest with the triceps heavily involved. It is the narrowest of the common hand positions, and narrow positions raise activity in both the chest and the triceps rather than shifting work from one to the other.

Questions people ask

What muscles do diamond push-ups work?: The triceps and the chest press together, with the front of the shoulders assisting and the trunk holding you in a line. Measured against standard and wide hand positions, the triceps led the chest in the diamond by the largest margin of the three.
Are diamond push-ups for chest or triceps?: The measurements put the triceps in front. That does not take the chest out of it, and if triceps are what you want tired at the end of the set, this is the variation that does it.
Do diamond push-ups work the inner chest?: There is no inner chest to work. The muscle is divided into upper, middle and lower parts by where it originates, and all of them end on one tendon on the arm. The narrow hands change the pressing angle, not the region.
Are diamond push-ups the best triceps exercise?: They came out top of eight triceps exercises when muscle activity was measured, which is a strong result and is not proof of anything about growth. Treat it as a reason to include them, especially if you have no equipment.
Why do diamond push-ups hurt my wrists?: Bringing the hands together angles the forearms inward while the wrist is already bent back under your bodyweight. Push-up handles or a pair of dumbbells set close together keep the narrow position with a straight wrist.
Do my hands have to touch?: No. Touching is where the name comes from, and hands a few inches apart under your sternum is the same idea with a friendlier wrist. What matters is that the hands stay narrow and the elbows stay tucked.