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Exercises / Isolation Beginner

Exercise demo

Lateral raise (dumbbell)

The dumbbell lateral raise is the single best lift for the side delts, and the side delts are what give the shoulders width. It is also one of the easiest lifts to do badly. Three small cues fix almost every problem.

Primary muscle

Side Delts

Equipment

Dumbbell

Force

Push

Mechanics

Isolation

Setup

Stand with feet hip-width, a dumbbell in each hand by your sides. Soft bend in the elbows, palms facing in. Lean forward maybe five degrees from the hips to put the side delts in a slightly better mechanical position.

How to do it

  1. 1

    Pre-lean

    Tip the chest forward a touch and lock the trunk. The arms hang slightly forward of vertical, not by the seams of your shorts.

  2. 2

    Raise to shoulder height

    Lift the dumbbells out and up until the arms are roughly parallel to the floor. Lead with the elbows, not the hands. Imagine pouring water from each dumbbell at the top.

  3. 3

    Pause at the top

    Hold for a half second. The side delts are at their peak contraction here. This is the rep, not the swing back down.

  4. 4

    Lower under control

    Take three seconds to bring the dumbbells back down. Resist gravity. Do not drop into the bottom and bounce.

Common mistakes

  • • Swinging the dumbbells up with the trunk, which removes the side delts from the lift.
  • • Letting the wrists drop, which loads the front delts instead.
  • • Raising above shoulder height, which transfers the work to the traps.
  • • Locking the elbows straight, which makes the lift much harder on the joint.
  • • Going too heavy. The side delts are a small muscle and they respond to time under tension, not load.

Variations

Cable lateral raise

Constant tension through the whole range, especially at the bottom where dumbbells lose resistance. Pick this if your gym has a cable column free.

Seated lateral raise

Sitting removes any chance of leg drive. Use it when you keep catching yourself cheating with bodyweight.

Leaning single-arm lateral raise

Hold a stable upright, lean away from it, raise the free-side dumbbell. Better stretch at the bottom and a longer range of motion.

FAQ

What weight should I use? +
Lighter than your ego suggests. If you cannot pause at the top of every rep for a half second, the dumbbells are too heavy. Most lifters past 40 do their best work between 5 and 12 kilograms.
How many sets and reps? +
Three to four sets of 10 to 15 reps. The side delts are slow-twitch dominant and respond to higher rep ranges. Two sessions per week is plenty.
Should I raise to the front or out to the side? +
Out to the side, slightly forward of the body. Raising straight forward is the front raise, a different lift that targets the front delts.
My traps fire instead of my delts. Why? +
You are raising the dumbbells above shoulder height, or you are shrugging the shoulders as you lift. Stop the arm at parallel and actively push the shoulders down away from the ears throughout the rep.

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