Ensure the handles are slightly in front of your chest and aligned with the mid chest region.
Push out to a point right before your elbows are fully extended.
Retract back in a controlled manner just prior to the starting position.
Elbows flared at 90 degrees.
Wrists losing alignment with forearms.
Back losing contact with the padding.
Use an overhand grip on the handles with your hands spaced shoulder width apart.
Pull the handles towards the middle of your chest by bringing your elbows towards your hips.
Slowly retreat to the start position and repeat.
Leaning back excessively to make the exercise easier.
Pulling the handles towards your face or hips instead of middle chest.
Using the momentum of the weights on the way back up.
Stand straight holding the dumbbells by your sides, palms facing forward.
Bend your elbows until the weight is up to shoulder height.
Slowly lower back to just before full extension and repeat.
Using momentum from the body.
Fully locking out elbows.
Elbows moving around too much.