The Secret to a Perfect Pushup: Fixing the Three Mistakes That Hold Most People Back

The pushup looks simple. Hands down, chest down, push up. But watch a room full of people do them and you'll see the same handful of breakdowns over and over — a sagging lower back, a hip-first "cobra" shape, or elbows flaring while the shoulders take on more than they should. The pushup is one of the most foundational calisthenics exercises there is, a true chest-and-triceps movement that also demands real core engagement. Doing it right matters for any athlete, and for anyone simply trying to build fitness. The good news is that each common mistake has a specific, learnable fix.

Mistake One: The Sagging Lower Back

The first and most common issue is letting the lower back arch during the pushup. This happens when the glutes and core are inactive — the body isn't used to holding itself stable, so the hips drop and the spine takes the load instead. This puts real pressure on the lower back, and that pressure compounds fast at higher repetitions. If your back is arching, you haven't necessarily done anything "wrong" — you simply haven't learned yet how to switch on the right muscles.

Mistake Two: The Cobra-Bend Compensation

The second mistake usually shows up alongside the first, and signals weakness in more than one place — a weak core, weak glutes, and weak chest and triceps all at once. The body compensates with an odd, exaggerated "cobra" bend: hips sink low while the chest rises high, shifting bodyweight onto the legs to make the movement easier. It might look like a pushup, but it isn't the correct position, and training in this shape doesn't build the strength you're actually after.

Learning Core Control: Cat-Camel

The fix for both issues starts on the ground with a movement borrowed from yoga: cat-camel. The arched position — belly dropping, back caving in — is your "cat." Rounding the upper back up, like a camel's hump, is the "camel." Moving deliberately between the two, feeling the core engage as the back rounds and stabilizes, teaches your body what a genuinely stable, neutral spine feels like. The goal is the middle position — back and core locked in place, not arched, not overly rounded. Once you find it, the difference is immediate: the back holds flat and steady instead of sagging.

Activating the Core: The Knee-to-Chest Drill

The next piece teaches the abs to actually switch on, using a leg-lift variation. Lying down, press the entire lower back flat into the floor — no arch at all. With that arch erased, bring the knees toward the chest to roughly 90 degrees, then extend the legs straight up, bend them back down, and stretch up again. Keep the toes turned slightly inward and heels together, forming a rough triangle — this increases lower-ab activation. Push the knees toward the chest firmly, but not past that 90-degree mark. This builds the exact muscle awareness that carries into a stable pushup and plank.

Turning On the Glutes: The Butterfly Bridge

The core doesn't work alone — it needs the glutes as a partner to stabilize the pelvis and lower back during a pushup. To train this, get into a butterfly position (knees bent, soles of the feet together), then push the knees down toward the ground while driving the hips up and squeezing the glutes tight. From the side, the hips lift while the knees press down — that's the cue. Five to ten reps here, gripping tight and really feeling the glutes fire, gives you a reference point for the tightness your glutes should feel during a plank or pushup.

Mistake Three: Hands Too Far Forward

The last common issue isn't about the core — it's about the arms. Some people push their hands forward, ahead of the shoulders, before lowering into the pushup. This tends to show up when the triceps are weak. Forward hand placement gives the chest a slight mechanical advantage from the change in leverage — but it puts the shoulders in a dangerous position. The real fix isn't a hand-position trick, it's building genuine strength in the arms.

Building Arm Strength: The Pinch-and-Rotate Cue

Two cues help here, layered in once the core and glute work above is dialed in. First, with hands flat on the floor, imagine pinching your palms toward each other, as though drawing them together — this activates the chest more fully. Second, imagine rotating your elbows outward, as if screwing your hands into the floor, almost gripping an imaginary plate and twisting it. This activates the muscles around the back of the shoulder and adds stability through the arms, shoulders, and chest as you push up.

Putting It All Together

Combine all of these cues in a single rep and the pushup transforms: neutral spine, hands pinching toward each other, elbows rotating outward, core and glutes switched on from head to heel. It takes practice to feel all of this at once, but once it clicks, the exercise feels solid and controlled rather than just "getting the reps done."