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What your workout is missing: Unilateral lifts for balance and power

Discover how unilateral exercises can make all the difference in your physique and capabilities

Man doing TRX Bulgarian split squats
Ty / Adobe Stock

It’s easy to accidentally neglect unilateral lifts, as exercises like bench press, squat, and deadlift make up the majority of many people’s workout programs. However, you could be unknowingly putting more weight on one side of your body than the other, leading to potential imbalances. As a personal trainer, I strive to incorporate exercises like cable kickbacks, Bulgarian split squats, and dumbbell rows into my clients’ routines to help mitigate this issue.

So, can unilateral lifts fix strength imbalances you may have? Keep reading to better understand how to include them in your weekly rotation. Let’s dive in!

What makes unilateral lifts different?

Unilateral lifts focus on training one limb at a time, unlike traditional bilateral exercises that involve both sides simultaneously. This approach isolates each side of the body, revealing weaknesses or imbalances that might be masked during double-limb movements. By targeting one side, an NIH study shares that “Unilateral training can produce obvious neuromuscular adaptation effect on unilateral limbs.” This ensures that each muscle works independently and efficiently both in and out of the gym.

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These exercises also engage stabilizing muscles more intensely, as your body must maintain balance and control without relying on the opposite limb. For example, single-arm dumbbell presses or single-leg Romanian deadlifts require core engagement to stabilize the torso, which is less pronounced in their bilateral counterparts.

Additionally, unilateral training can reduce the risk of compensatory patterns where the stronger side dominates, leading to uneven development. By emphasizing symmetry, stability, and control, these lifts promote balanced strength, prevent injuries, and improve overall functional performance, making them an essential tool for athletes and recreational lifters alike.

When does stability matter more than weight?

In unilateral lifts, stability often takes priority over loading because the goal is controlled, balanced movement rather than maximal weight. Heavy loads without proper stability can lead to compensations, poor form, or even injury. Focusing on stability ensures that the correct muscles are activated and strengthens supporting stabilizers, which often go underdeveloped in bilateral exercises.

For instance, during a single-leg Bulgarian split squat, the knee and hip must align correctly, and the core must remain braced. Attempting to lift heavier than your stability allows compromises form and reduces effectiveness. Similarly, a single-arm overhead press demands shoulder, core, and hip stability to prevent leaning or twisting.

Prioritizing balance, control, and proper alignment also improves long-term performance. As stability improves, you can safely increase weight while maintaining proper technique, ultimately enhancing strength, symmetry, and injury resilience in both unilateral and bilateral lifts.

Common strength imbalances revealed by unilateral training

Unilateral lifts are particularly effective at uncovering strength imbalances between the left and right sides of the body. Many lifters unknowingly favor their dominant side during bilateral exercises, which can lead to uneven muscle development, joint stress, or compensatory movement patterns.

Common imbalances include stronger quads on one leg, uneven glute engagement, or dominant arms taking over pressing movements. You may even notice core or hip stability differences, which can affect performance in running, jumping, or rotational movements.

By isolating each side, unilateral training provides feedback that allows targeted correction. Over time, these lifts strengthen your weaker side, improve symmetry, and promote proper movement mechanics. Correcting imbalances not only enhances aesthetic symmetry but also reduces injury risk and improves efficiency in functional and sport-specific movements.

Tips for progressing your unilateral lifts

  • Prioritize proper form and controlled movement before adding weight to avoid compensatory patterns.
  • Engage your core and stabilizing muscles to maintain balance and protect your joints during each repetition.
  • Start with lighter weights or bodyweight versions to master technique and build stability.
  • Gradually increase load, focusing on the weaker side to even out strength discrepancies.
  • Incorporate a mix of unilateral exercises for different muscle groups, such as single-leg leg presses, single-arm bicep curls, and split squats.
  • Use tempo training or pause reps to challenge stability and improve muscle recruitment further.
  • Track progress for each limb individually to ensure balanced strength development over time.

Frequently asked questions

How do you fix a muscle strength imbalance?

To fix a muscle strength imbalance, prioritize unilateral exercises that target the weaker side, ensuring proper form and controlled movement. Gradually increase weight and volume on the lagging side, while maintaining symmetry. Consistent practice, core engagement, and regular monitoring of progress help restore balanced strength, improve function, and reduce the risk of injury.

What are the benefits of unilateral strength?

Unilateral strength training improves muscle balance, coordination, and stability by targeting one side at a time. It reduces compensatory movement patterns, enhances core engagement, and reveals hidden weaknesses. This approach supports injury prevention, enhances functional performance, and promotes symmetrical muscle development, making it valuable for both athletes and recreational lifters.

Is muscle imbalance permanent?

Muscle imbalances are rarely permanent. With targeted training, especially unilateral exercises, proper form, and consistent practice, weaker muscles can catch up to stronger ones. Correcting imbalances improves symmetry, function, and performance. However, neglecting training or poor movement habits can allow imbalances to persist or worsen over time.

Christine is a certified personal trainer and nutritionist with an undergraduate degree from Missouri State University. Her… Read Full Bio
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