Zercher Squat: How to Do It, Muscles Worked and Why It Hurts

The Zercher squat is a squat with the barbell wedged in the crooks of your elbows, held against your chest, and it is the most uncomfortable useful exercise in the gym. Nobody does it because it feels nice. People do it because it exposes exactly how strong your trunk really is, and because it lets you load a front-carried squat without the wrist and shoulder flexibility a front squat demands.

If your front rack position is a lost cause and goblet squats have stopped being challenging, this is the next rung on the ladder.

How to do a Zercher squat

Set a bar in a rack at roughly mid-thigh height, or lift it from the floor if you train without a rack, which is how Ed Zercher did it in the first place.

1. Get the bar into your arms. Step under the bar and hook it into the crook of both elbows, as deep towards the joint as it will sit. Out on the forearms it will slide and dig; deep in the crook it stays put. Clasp your hands together in front of your chest or hold a fist in your other palm.
2. Set your stance. Feet slightly wider than shoulder width, toes turned out maybe 20 to 30 degrees. Wider than a back squat suits most people here because the elbows need somewhere to go at the bottom.
3. Brace before you move. Take a big breath into your belly, pull your ribs down, and squeeze your upper back so the bar has a shelf. The bar wants to pull you into a bow; refusing that is most of the exercise.
4. Squat down. Push your knees out and sink between them, keeping your chest as tall as you can. The elbows travel down inside the thighs, which is what lets you hit a depth that most back squatters cannot reach.
5. Stand back up. Drive through the whole foot and keep the bar tight to your torso. If your chest caves and the bar drifts forward, the rep is over even if you finish it, because everything above your hips has already lost the argument.

Muscles worked

Below the waist it is a squat, so quads and glutes do the heavy work, and the wider stance plus deeper range recruits the adductors more than a conventional back squat does. The interesting part is the trunk. Carrying load in front of the body shifts the demand from the hips towards the knees and forces the spinal erectors and abdominals into a much larger job, which is the same pattern that shows up when researchers compare front and back squats: a biomechanical comparison in trained lifters found the front squat produced less compressive force on the knee and required a more upright torso than the back squat at equivalent loads (PubMed), while EMG and kinematic work on maximal front and back squats reported broadly similar lower-limb muscle activity between the two despite the front squat using less absolute weight (PubMed).

The Zercher takes that logic further because the load sits lower and further from your spine than a front rack. Your biceps, forearms and upper back are working isometrically the whole time, which is why the exercise feels like an arm workout the first week you try it.

A broader review of squat biomechanics makes the same point about variation choice generally: the position of the load changes joint loading and muscular demand far more than depth or stance alone (PubMed).

Why bother with it

Three honest reasons, and none of them is that it builds bigger legs than a back squat.

The first is accessibility. Plenty of people cannot hold a clean front rack because of wrist, elbow or thoracic restriction, and no amount of stretching fixes it quickly. The Zercher gives you a front-loaded squat with no mobility prerequisite beyond being able to squat.

Second, it teaches bracing under a load that punishes any collapse immediately. There is no cheating a Zercher rep; if your brace goes, the bar goes.

Third, and this is the strongman argument, it trains the exact position you use to pick up an awkward heavy object off the floor. Sandbags, stones, kegs, a sofa. That transfer is real in a way most gym exercises can only claim.

Common mistakes

• Bar too far down the forearm. It slides, it hurts more, and it pulls you forward. Get it into the crook.
• Starting too heavy. An empty 20kg bar in your elbows feels nothing like 20kg on your back. Spend a full session there before you load a plate.
• Rounding the upper back and calling it a rep. Some thoracic rounding is inevitable and fine. Losing your lower back position is not, and it is your signal to drop the weight.
• Holding your breath for the entire set. The bar restricts your ribcage at the bottom, so long sets get genuinely airless. Breathe between reps, not just between sets.
• Standing too narrow. Your elbows need room between your thighs. A stance an inch or two wider than your back squat usually solves the traffic jam at the bottom.

Variations and progressions

Take these roughly in order.

• Goblet squat. If a front-loaded squat is new to you, start with a goblet squat and a dumbbell or kettlebell. Same idea, far friendlier introduction.
• Zercher squat from a rack. The standard version. Bar unracked at mid-thigh, squat, rerack.
• Zercher squat from pins. Set the bar on safety pins at knee height and lift it into position from there. The pick-up itself becomes part of the exercise.
• Zercher squat from the floor. How Ed Zercher did it. Deadlift the bar to your thighs, drop into a half squat, roll it into your elbows, then squat. Brutal and brilliant, and it caps your load at whatever you can hoist into position.
• Zercher carry. Load the bar, hold the position, and walk 20 to 40 metres. Related to the farmer's carry but with the load in front, so your abs get no rest at all.
• Zercher good morning. Same bar position, hinge instead of squat. Advanced, and only worth trying once your Zercher squat is solid.

You need a barbell and something to squat in, and a decent squat rack makes the setup far less awkward. A rolled towel around the bar costs nothing and saves your arms.

Sets, reps and where it fits

Zerchers work best as a secondary movement rather than your main squat, because your trunk and arms will cap the weight long before your legs are trained hard.

• Building strength and bracing: 4 sets of 5, resting 2 to 3 minutes, at a weight where the last rep is tough but your back position holds.
• Muscle and conditioning: 3 sets of 8 to 10, shorter rests, lighter load. The accumulated discomfort is the point.
• Carries instead: 4 rounds of a 30 metre carry when you want the trunk stimulus without the squatting volume.

Once a week is plenty alongside your normal squatting. Progress by adding a small amount of weight rather than reps, following the same progressive overload principle the ACSM sets out in its position stand on resistance training progression. If your elbows are genuinely bruising rather than just sore, back off and pad the bar properly before you push again.

Recommended reads

1. Front squat technique and setup
2. Goblet squat: the easiest front-loaded squat
3. The best barbells for a UK home gym
4. The best squat racks in the UK
5. All our workout and exercise guides