What you'll gain

Builds side delt strength one arm at a time, exposing imbalances.
Trains better side-to-side symmetry for cleaner shoulder development.
Travel- and home-friendly — works with a single band, no weights.

Step-by-Step Instructions

1
Stand on one end of a band with your right foot, holding the other handle in your right hand at your thigh.
2
Plant your feet shoulder-width apart, keeping a slight bend in your working elbow throughout.
3
Lift your right arm straight out to the side until your hand reaches shoulder height.
4
Pause briefly at the top, feeling the side delt squeeze under the band's peak tension.
5
Lower your arm back down with control over a 2 to 3 second eccentric, fighting the band the whole way.
6
Complete 10 to 12 reps per arm, switching sides once the working delt is fully fatigued.

Common Mistakes

Leaning the torso to the opposite side to swing the arm up — momentum cheats the side delt.
Letting the working elbow lock straight, which shifts load to the wrists and forearms.
Raising the arm above shoulder height, where the traps take over from the side delts.
Using a band tension that's too heavy and breaking form rather than dropping to clean reps.

About This Exercise

The single-arm version of the band lateral raise lets you focus all your attention on one shoulder at a time, which is the cleanest way to identify and fix side-to-side imbalances. Most people have one shoulder noticeably weaker than the other; this exercise reveals it within a set or two. For app and content use, this clip is the perfect complement to the standard band lateral raise. Use it in advanced shoulder programs, rehab and post-injury content, and any tracking-focused app where users want to address weaknesses they identify between sides.

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