When it comes to strength training, the “big three” exercises—squats, bench press, and deadlifts—are the foundation. They build strength, muscle mass, and athletic performance better than almost any other lifts. But because they’re so effective, they’re also easy to do wrong. Small errors in form can not only limit progress but also increase the risk of injury. The good news is that most mistakes can be fixed with awareness and practice.

Squats: More Than Just Bending Your Knees:

Common Mistake 1: Knees Caving In

One of the most frequent squat issues is the knees collapsing inward. This often happens when the hips and glutes aren’t engaged enough, or when the weight is too heavy. It puts unnecessary stress on the knees.

-Correction: Focus on driving your knees outward as you descend and rise. Imagine spreading the floor apart with your feet. Strengthening your glutes and hips through accessory exercises like clamshells or banded walks can also help.

Common Mistake 2: Heels Coming Off the Floor

If your heels lift, it means your weight is shifting too far forward. This not only weakens your squat but also strains your lower back and knees.

-Correction: Keep your weight distributed evenly across your entire foot, with special attention on the heel and midfoot. Practicing with lighter loads and ensuring proper ankle mobility can make a big difference.

Common Mistake 3: Going Too Shallow

Partial squats may feel easier, but they rob you of the full benefits of the movement and place undue stress on the knees.

-Correction: Aim for a depth where your thighs are at least parallel to the floor—or lower if your mobility allows. Think “hips down, not just knees forward.”

Bench Press: More Than Just Pushing Weight

Common Mistake 1: Flaring the Elbows

Letting your elbows flare out at a 90-degree angle to your torso might feel natural, but it puts your shoulders in a vulnerable position.

Correction: Tuck your elbows slightly, around a 45-degree angle. This keeps the shoulders stable and helps transfer power more effectively.

Common Mistake 2: Bouncing the Bar Off the Chest

Using your chest as a trampoline may let you lift more weight temporarily, but it defeats the purpose of controlled strength building and risks injury.

-Correction: Lower the bar slowly and touch your chest lightly before pressing it back up. Think of it as “kissing the chest” rather than bouncing.

Common Mistake 3: Loose Back and Shoulders

If your upper body isn’t tight, the press becomes less stable and less powerful.

-Correction: Retract your shoulder blades and keep your chest up throughout the lift. Drive your feet into the floor to create full-body tension.

Deadlifts: Picking Things Up the Right Way

Common Mistake 1: Rounding the Back

This is the classic deadlift error. A rounded spine under heavy load is a fast track to back problems.

-Correction: Keep a neutral spine from start to finish. Engage your core, pull your shoulder blades back, and hinge at the hips rather than just bending forward.

Common Mistake 2: Bar Drifting Away from the Body

When the barbell drifts forward, it increases strain on the lower back and makes the lift harder than it needs to be.

-Correction: Keep the bar close—almost brushing your shins and thighs on the way up. Think of pulling the bar in toward you, not away.

Common Mistake 3: Jerking the Bar Off the Floor

Yanking the weight up with no tension leads to poor form and wasted energy.

-Correction: Build tension before the lift. Take a deep breath, brace your core, and pull the slack out of the bar by engaging your lats. Then lift smoothly and powerfully.

The squat, bench press, and deadlift are unmatched for building strength, but they demand respect. Mastering technique should always come before chasing heavier numbers. Record your lifts, get feedback from a coach or training partner, and be patient with your progress. Correcting small mistakes now will pay off in stronger, safer, and more effective training for years to come.