The lopsided single-dumbbell push-up is a push-up variation performed with one hand gripping a dumbbell and the other flat on the floor, creating an uneven base a few inches in height. This asymmetry forces each side of the body through a different range of motion and demands significant anti-rotation core strength to keep the hips and shoulders square. It still trains the chest, triceps, and anterior shoulders like a standard push-up, but with added stability work that a symmetric push-up doesn't provide.
Muscles Targeted
- Primary: Pectoralis major, triceps brachii, anterior deltoids
- Secondary: Core stabilizers (obliques, transverse abdominis), serratus anterior
- Tertiary: Forearms and grip, rectus abdominis
Starting Position
Set a hex or flat-sided dumbbell on the floor and get into a push-up plank position with one hand gripping the top of the dumbbell, wrist neutral, and the other hand flat on the floor at roughly the same distance from your body. Position both hands slightly wider than shoulder-width, feet hip-width apart, and form a straight line from head to heels with your core braced.
Execution Steps
- Set your hand positions with one gripping the dumbbell and the other flat on the floor, both aligned near chest level
- Brace your core and squeeze your glutes to keep your hips level and prevent rotation toward the lower side
- Lower your body in a controlled descent, bending both elbows so your chest approaches the level of the lower hand
- Keep your hips square to the floor throughout the descent, resisting the urge to rotate toward the dumbbell side
- Press back up through both hands simultaneously to return to the starting position
- Complete your reps, then switch which hand holds the dumbbell for an even second set
Form Cues
- Keep hips square: Don't let the hip on the dumbbell side rotate up or down relative to the other
- Maintain a neutral wrist: Grip the dumbbell handle firmly so your wrist doesn't bend under load
- Control the descent: Lower for 2-3 seconds rather than dropping quickly toward the floor
- Keep elbows at roughly 45 degrees: Avoid flaring them straight out to protect the shoulders
- Brace your core throughout: Treat the movement like a moving plank, not just an arm exercise
Common Mistakes
- Letting the hips rotate toward the lower hand: This turns the exercise into a twisting motion and reduces chest engagement. Actively brace the core to keep the hips level.
- Using an unstable dumbbell orientation: A rounded dumbbell can roll under load. Use a hex-shaped or flat-sided dumbbell to keep the base stable.
- Flaring the elbows out to the sides: This places excess stress on the shoulder joint. Keep elbows tracking closer to the torso.
- Uneven depth between reps: Inconsistent range of motion reduces training stimulus. Lower to the same depth on the lower-hand side every rep.
- Rushing through reps: Fast, uncontrolled reps sacrifice stability and increase injury risk. Slow down and prioritize control over speed.
Variations
- Standard push-up: The symmetric baseline movement, useful for learning proper bracing before adding the asymmetry
- Push-up with two dumbbells: Both hands improved evenly, allowing a deeper range of motion without the rotational challenge
- improved lopsided push-up: Feet raised on a bench, increasing the load on the chest and shoulders
- Renegade row combination: Add a single-arm row between reps to combine pressing and pulling in one set
- Kneeling lopsided push-up: A regression that reduces the lever arm for beginners still building core control
Tips for Progression
- Increase the dumbbell height gradually as core control improves, since a taller dumbbell increases the range-of-motion difference
- Add reps or sets before increasing difficulty further
- improve the feet on a bench to increase the load on the upper body
- Add a brief pause at the bottom of each rep to increase time under tension
- Progress to switching the dumbbell hand mid-set without resetting to build symmetric strength
Training Notes
Program lopsided single-dumbbell push-ups as an accessory chest and core movement 1-2 times per week, for 3 sets of 6-10 reps per side. Rest 60-90 seconds between sets. Because the exercise demands significant core stability, perform it earlier in a session before fatigue compromises your ability to keep the hips square.