# Bodyweight Single Arm Lateral Raise - Canonical: https://fitwill.app/exercise/9305/bodyweight-single-arm-lateral-raise/ - Media ID: 9305 - Primary muscle: Shoulders - Body part: Shoulders - Equipment: Body Weight - Video: https://fitwill.app/videos/9305/bodyweight-single-arm-lateral-raise.mp4 ## Description The Bodyweight Single Arm Lateral Raise is a shoulder isolation movement performed standing, with no equipment other than your own body. You lift one straight arm out to the side until it reaches shoulder height, control the way down, and complete all repetitions on one side before switching. Because each arm works on its own, you immediately notice and can correct any difference in strength or mobility between your left and right shoulders. The main muscle at work is the lateral deltoid, the cap of muscle on the side of the shoulder that gives the shoulder its width. Supporting it, the upper traps help lift the shoulder girdle, the serratus anterior assists as the shoulder blade rotates upward, and the rotator cuff stabilizes the joint throughout the arc. Even though the resistance is only the weight of your own arm, the side deltoid is a relatively small muscle, so the movement still produces a clear working effect, especially with slow tempos, pauses, and higher repetitions. This exercise suits anyone training without equipment: beginners learning what a proper lateral raise feels like, travelers or home exercisers with no dumbbells, and lifters using it as a warm-up or burnout before and after heavier pressing or dumbbell work. It is also a useful teaching tool, because removing load forces you to rely on technique rather than momentum. For extra tension, you can press your free hand down lightly on the working forearm as you raise it, turning the movement into a self-resisted version. Setup matters more than it might seem for such a simple-looking movement. Stand tall with feet about hip-width apart, weight spread evenly, ribs stacked over the pelvis, and the working arm hanging naturally at your side with the palm facing your thigh. If you start leaning back, shrugging, or swinging the arm, you shift work away from the lateral deltoid and lose the benefit. A braced trunk and a still torso give the shoulder a stable base to lift from. To execute it well, lead with the elbow and let the hand follow, raising the arm out to the side in a wide arc rather than forward. Stop at or just below shoulder height, pause briefly, then lower the arm over two to three seconds instead of letting it drop. Keep the neck relaxed and the shoulder drawn slightly down away from the ear. Common use cases include high-rep shoulder finishers, unilateral warm-up sets, and low-impact sessions on days when joints need a gentler option. From a safety standpoint, the movement is easy on the shoulders as long as you respect your range. Raise only as high as you can without pain at the shoulder joint or a forced shrug, and keep the elbow soft rather than locked. If standing upright feels unstable or you catch yourself rocking, widen your stance slightly or place your free hand on your hip for balance. ## Instructions 1. Stand upright with your feet hip-width apart, knees soft, and your weight spread evenly across both feet. 2. Let the working arm hang straight down at your side with the palm facing your thigh and a small bend in the elbow; place your free hand on your hip or let it rest at your side. 3. Draw your shoulders down and back, brace your trunk lightly, and look straight ahead so your torso stays still throughout the set. 4. Exhale as you raise the working arm out to the side, leading with the elbow and keeping the palm facing down or slightly forward. 5. Continue the wide arc until your arm reaches shoulder height, forming roughly a T with your body, without shrugging the shoulder toward your ear. 6. Pause for one second at the top, feeling the tension across the side of the shoulder. 7. Inhale as you lower the arm slowly back down along the same arc over two to three seconds, resisting gravity rather than dropping it. 8. Stop briefly with the arm at your side, then begin the next repetition before any momentum builds. 9. Complete all repetitions on one arm, then switch sides and match the number of reps with the other arm. ## Tips & Tricks - A frequent error is turning this into a front raise — if your hand drifts in front of your shoulder, think about sweeping the arm out through a wide arc away from your body. - If your shoulder creeps up toward your ear, the upper traps are taking over; imagine lengthening your neck and keeping a small space between the ear and shoulder as you lift. - Swinging the arm at the start of each rep usually means the tempo is too fast; slow the first third of the lift down and initiate from the elbow, not the hand. - To make the movement harder without equipment, press your free hand firmly down on the working forearm while you raise it — the harder you push, the more the side delt has to fight. - Leaning your torso away from the working arm shortens the range and cheats the deltoid; if you catch yourself tilting, stand with your back near a wall and avoid touching it. - Raising the arm above shoulder height with a shrug adds little and can pinch at the shoulder joint; stop the arc where you can keep the shoulder blade controlled. - Pausing one second at the top and lowering for three seconds turns a very light movement into a genuine challenge — use pauses before adding reps. - If your shoulder clicks or aches on the way up, rotate the palm slightly forward or reduce the height of the lift until the arc feels smooth. - Match reps and tempo exactly between arms; the weaker or tighter side sets the standard for the whole session. ## Frequently Asked Questions ### Which muscles does the Bodyweight Single Arm Lateral Raise work? The lateral deltoid on the side of the shoulder does most of the lifting. The upper traps, serratus anterior, and rotator cuff assist and stabilize as the arm travels up to shoulder height. ### Can the Bodyweight Single Arm Lateral Raise build muscle without any weights? It can build muscular endurance and a moderate strength stimulus, especially with slow lowering, top pauses, or self-resistance from the opposite hand. For maximal deltoid growth you would eventually progress to weighted lateral raises. ### Why should I train one arm at a time instead of both together? Working one arm exposes side-to-side differences in strength and control that bilateral raises can hide, and it lets you focus fully on the feel of the side deltoid contracting. ### How high should I raise my arm during the Bodyweight Single Arm Lateral Raise? Raise to about shoulder height, where the arm forms a T with your torso. Going higher usually requires a shrug and offers little extra for the lateral deltoid. ### Is it a mistake to lock the elbow completely during the raise? A locked elbow is unnecessary and can feel uncomfortable at the joint. Keep a soft, slight bend and lead with the elbow through the arc. ### I feel this in my neck and traps more than my shoulders — what should I change? You are likely shrugging as you lift. Lower the range slightly, relax the neck, and consciously keep the shoulder drawn down away from the ear throughout each repetition. ### What can I substitute for the Bodyweight Single Arm Lateral Raise? A dumbbell or cable single-arm lateral raise trains the same pattern with added load. If no equipment is available, the self-resisted version, pressing the free hand down on the working forearm, increases the challenge. ### Is this exercise safe for someone with cranky shoulders? It is generally gentle because the load is only the arm itself, but stay below any painful arc and avoid forcing height. Persistent pain or pinching warrants guidance from a qualified professional before continuing. ### How many reps should I do of the Bodyweight Single Arm Lateral Raise? Because the resistance is light, higher volumes work well — around 12 to 20 controlled reps per arm, or 2 to 3 sets as a warm-up. Slow the tempo down before adding more reps.