Exercise library

Beginner dumbbell exercises, one move at a time

Every exercise below is beginner-friendly and needs nothing but a pair of dumbbells (a bench helps for a few, but there's almost always a floor version). Tap a muscle group to open it. Read the steps, watch for the common mistakes, and start light — form first, weight later.

New here? Read this first. Warm up for 5 minutes, pick a weight you can control for every rep, and stop any exercise that causes sharp pain. When in doubt, go lighter. See the full safety disclaimer.

🦵 Legs — squats, hinges & lunges

FirstRep leg workout poster: goblet squat, Romanian deadlift, Bulgarian split squat, lunge, step-up and stiff-leg deadlift with form steps, common mistakes and rep ranges.
The full leg poster shows six variations. Start with the three beginner moves written out below.

Goblet Squat Beginner

The best first squat. Holding the weight in front keeps your chest up and teaches good depth without a barbell.

  1. Hold one dumbbell vertically against your chest, cupping the top end with both hands.
  2. Stand with feet about shoulder-width apart, toes turned out slightly.
  3. Sit back and down — like lowering into a chair — keeping your chest tall.
  4. Go as low as you comfortably can while keeping your heels flat.
  5. Drive through your heels to stand back up. That's one rep.
  • Knees caving inward — push them out over your toes.
  • Heels lifting off the floor.
  • Leaning too far forward.
  • Not going low enough — aim for thighs near parallel.

Form cue: Imagine spreading the floor apart with your feet — it switches on your glutes and keeps your knees tracking correctly.

Muscles worked
Quads & glutes (core to stabilise)
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

Romanian Deadlift (RDL) Beginner / Intermediate

The move that teaches you to "hinge" from the hips — the foundation for a strong back and hamstrings.

  1. Hold a dumbbell in each hand in front of your thighs, feet hip-width apart.
  2. Keep a soft bend in your knees and a flat back throughout.
  3. Push your hips backward and let the dumbbells slide down the front of your legs.
  4. Lower until you feel a stretch in the back of your thighs (usually around shin height).
  5. Squeeze your glutes and drive your hips forward to stand tall again.
  • Rounding the back — keep your chest proud.
  • Bending the knees too much (this turns it into a squat).
  • Lowering too fast and losing control.
  • Not feeling any hamstring stretch — you're probably squatting, not hinging.

Form cue: Pretend you're closing a car door with your backside. The movement is hips going back, not chest going down.

Muscles worked
Hamstrings & glutes (lower back)
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

Dumbbell Lunge Beginner / Intermediate

One leg at a time builds balance and irons out left/right strength differences.

  1. Stand tall with a dumbbell in each hand at your sides.
  2. Step forward with one leg into a comfortable stride.
  3. Lower until both knees are bent near 90°, back knee hovering above the floor.
  4. Push through your front heel to step back to the start.
  5. Alternate legs each rep.
  • Taking too short a step (crowds the front knee).
  • Letting the back knee slam the floor.
  • Leaning forward instead of staying upright.
  • Wobbling — slow down and shorten the range until you're steady.

Form cue: Think "down," not "forward." Drop straight down between your feet rather than lunging out ahead of yourself.

Muscles worked
Quads & glutes (hamstrings)
Beginner sets & reps
3 sets × 10–12 reps per leg
Rest
60–90 seconds

See where legs fit in the weekly plan →

🚣 Back — rows & pulls

FirstRep back workout poster: one-arm dumbbell row, bent-over row, chest-supported row, pullover, Romanian deadlift and shrug with steps, mistakes and rep ranges.
The full back poster shows six variations. Start with the three beginner moves below.

One-Arm Dumbbell Row Beginner

Supported by a bench or chair, this is the safest way to learn a strong rowing motion.

  1. Place one knee and the same-side hand on a bench (or sturdy chair). Back flat, almost parallel to the floor.
  2. Hold a dumbbell in the opposite hand, arm hanging straight down.
  3. Pull the dumbbell up toward your hip, leading with your elbow.
  4. Squeeze your back at the top, then lower slowly under control.
  5. Finish all reps, then switch sides.
  • Rounding the back — keep it flat like a tabletop.
  • Yanking the weight up with body momentum.
  • Pulling toward the chest instead of the hip.
  • Not squeezing at the top.

Form cue: Drive your elbow toward the ceiling and back toward your hip — think of starting a lawnmower.

Muscles worked
Lats, mid-back, biceps
Beginner sets & reps
3 sets × 8–12 reps per arm
Rest
60–90 seconds

Bent-Over Dumbbell Row Beginner

Both arms at once. Great for building a thick, strong upper back and better posture.

  1. Stand with feet hip-width apart, a dumbbell in each hand.
  2. Hinge at the hips until your back is flat and near parallel to the floor, knees slightly bent.
  3. Let the dumbbells hang straight down, palms facing you.
  4. Pull both dumbbells toward your lower ribs, elbows close to your body.
  5. Squeeze your shoulder blades together, then lower slowly.
  • Rounding the lower back — hinge, don't hunch.
  • Standing too upright (turns it into a shrug).
  • Flaring the elbows out wide.
  • Using momentum instead of your back muscles.

Form cue: Pull your elbows back and down, like you're tucking them into your back pockets.

Muscles worked
Lats, mid-back, biceps
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

Dumbbell Pullover Beginner

A gentle stretch-and-pull that opens up the chest and lats. Needs a bench.

  1. Lie back on a bench holding one dumbbell above your chest with both hands.
  2. Keep a slight bend in your elbows the whole time.
  3. Lower the dumbbell back and over your head until you feel a stretch.
  4. Pull it back to the start using your back and chest, not your arms.
  • Bending and straightening the arms (should stay fixed).
  • Going too heavy and losing control behind your head.
  • Arching the lower back off the bench.

Form cue: Move only at the shoulders. Your arms are just a long lever swinging the weight in an arc.

Muscles worked
Lats, lower chest, serratus
Beginner sets & reps
3 sets × 10–12 reps
Rest
60–90 seconds

See where back fits in the weekly plan →

💪 Chest — presses & flyes

FirstRep chest workout poster: flat, incline and decline dumbbell press, dumbbell flye, pullover and push-up with steps, mistakes and rep ranges.
The full chest poster shows six variations. Start with the three beginner moves below.

Dumbbell Floor Press Beginner

No bench? No problem. Pressing from the floor is the safest first chest exercise — the ground stops you lowering too far.

  1. Lie on your back on the floor, knees bent, a dumbbell in each hand at chest level.
  2. Start with the dumbbells above your chest, arms almost straight.
  3. Lower slowly until your upper arms (triceps) touch the floor.
  4. Pause for a beat, then press back up and squeeze your chest.
  • Flaring elbows straight out to the sides — keep them around 45°.
  • Bouncing the elbows off the floor.
  • Rushing the lowering phase.

Form cue: Tuck your elbows slightly toward your ribs. It protects the shoulders and keeps the work on your chest.

Muscles worked
Chest, triceps, front shoulders
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

Flat Dumbbell Press Beginner

The classic chest builder once you have a bench. Builds overall size and pressing strength.

  1. Lie flat on a bench with a dumbbell in each hand at chest level.
  2. Press the dumbbells up until your arms are almost straight.
  3. Pause and squeeze your chest at the top.
  4. Lower slowly for 2–3 seconds back to chest level.
  • Flaring the elbows too wide.
  • Bouncing the dumbbells at the bottom.
  • Not lowering far enough to feel a stretch.

Form cue: Keep a slight, natural arch in your back and press the dumbbells in a shallow arc toward each other.

Muscles worked
Middle chest, triceps, shoulders
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

Dumbbell Flye Beginner

A wide, stretching movement that shapes the chest. Go light — this one is about feel, not heavy weight.

  1. Lie on a bench (or floor) holding a dumbbell in each hand above your chest, palms facing each other.
  2. Keep a slight, fixed bend in your elbows.
  3. Open your arms out wide in a controlled arc until you feel a chest stretch.
  4. Bring the dumbbells back together over your chest and squeeze.
  • Locking or bending the elbows (they stay fixed).
  • Dropping the weights too low and straining the shoulders.
  • Using too much weight.

Form cue: Pretend you're hugging a big tree — that arc is the whole movement.

Muscles worked
Inner & middle chest
Beginner sets & reps
3 sets × 12–15 reps
Rest
60 seconds

See where chest fits in the weekly plan →

🏋️ Shoulders — presses & raises

FirstRep shoulder workout poster: seated dumbbell shoulder press, Arnold press, lateral raise and bent-over reverse fly with steps, mistakes and rep ranges.
The full shoulder poster shows four variations plus a warm-up. Start with the three beginner moves below.

Seated Dumbbell Shoulder Press Beginner

The main move for round, strong shoulders. Seated with back support keeps it safe for beginners.

  1. Sit upright on a bench with back support, a dumbbell in each hand at shoulder height, palms facing forward.
  2. Keep your core tight and chest up.
  3. Press the dumbbells straight up until your arms are almost fully extended.
  4. Pause at the top, then lower slowly for 2–3 seconds to shoulder height.
  • Arching the lower back — brace your core.
  • Flaring elbows too far forward or back.
  • Locking the elbows hard at the top.
  • Pressing unevenly, one side faster than the other.

Form cue: Stack your wrists over your elbows and press in a straight vertical line — up and down, not forward.

Muscles worked
Front & side delts, triceps
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

Dumbbell Lateral Raise Beginner

The move that builds width. Light weight, strict form — never ego-lift lateral raises.

  1. Stand tall with a light dumbbell in each hand at your sides.
  2. With a slight bend in your elbows, raise your arms out to the sides.
  3. Stop when your arms are roughly parallel to the floor.
  4. Pause, then lower slowly back to your sides.
  • Swinging the weights up with momentum.
  • Raising the arms above shoulder height.
  • Shrugging the traps up instead of using the side delts.

Form cue: Lead with your elbows, not your hands — imagine pouring two jugs of water out to the sides.

Muscles worked
Side delts (front delts, traps)
Beginner sets & reps
3 sets × 12–15 reps
Rest
45–60 seconds

Bent-Over Reverse Fly Beginner / Intermediate

Hits the rear shoulders and upper back — the muscles that keep your posture healthy and shoulders balanced.

  1. Hinge at your hips with a flat back, a light dumbbell in each hand hanging down.
  2. Keep a slight bend in your elbows.
  3. Raise the dumbbells out to the sides, squeezing your shoulder blades.
  4. Pause at the top, then lower slowly.
  • Rounding the back — keep it flat and core tight.
  • Using too much weight and swinging.
  • Raising with the arms instead of squeezing the rear delts.

Form cue: Think about pinching a pencil between your shoulder blades at the top of every rep.

Muscles worked
Rear delts, mid traps, rhomboids
Beginner sets & reps
3 sets × 12–15 reps
Rest
60 seconds

See where shoulders fit in the weekly plan →

💪 Biceps — curls

FirstRep biceps workout poster: alternating dumbbell curl, incline curl, hammer curl and concentration curl with steps, mistakes and rep ranges.
The full biceps poster shows four variations. Start with the two beginner moves below.

Alternating Dumbbell Curl Beginner

The simplest curl. One arm at a time means you can focus on strict, clean reps.

  1. Stand tall with a dumbbell in each hand, arms at your sides, palms facing forward.
  2. Curl one dumbbell up toward your shoulder while keeping the other arm still.
  3. Squeeze the biceps at the top.
  4. Lower slowly, then repeat on the other arm.
  • Swinging the body to lift the weight.
  • Letting the elbows drift forward — keep them pinned to your sides.
  • Not fully straightening the arm at the bottom.

Form cue: Keep your elbows glued to your ribs like hinges. Only your forearm should move.

Muscles worked
Biceps (forearms)
Beginner sets & reps
3 sets × 8–12 reps per arm
Rest
60–90 seconds

Hammer Curl Beginner

A neutral-grip curl that builds thicker arms and stronger forearms — and it's easy on the wrists.

  1. Hold a dumbbell in each hand with a neutral grip (palms facing each other).
  2. Keep your elbows close to your body.
  3. Curl both dumbbells up while keeping that neutral grip.
  4. Squeeze, then lower slowly and repeat.
  • Rotating the wrists (keep palms facing in).
  • Flaring the elbows out.
  • Using too much weight and swinging.

Form cue: Hold the dumbbells like two hammers and curl straight up — grip stays the same top to bottom.

Muscles worked
Biceps, brachialis, forearms
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

See where biceps fit in the weekly plan →

💪 Triceps — extensions & presses

FirstRep triceps workout poster: overhead dumbbell extension, skull crusher, kickback and close-grip press with steps, mistakes and rep ranges.
The full triceps poster shows four variations. Start with the two beginner moves below.

Overhead Dumbbell Extension Beginner

Works the long head of the triceps — the part that adds real size to the back of the arm.

  1. Sit or stand and hold one dumbbell overhead with both hands, arms extended.
  2. Keep your elbows pointing forward and close to your head.
  3. Bend your elbows to lower the dumbbell behind your head.
  4. Extend your arms back up by squeezing your triceps.
  • Flaring the elbows out wide.
  • Lowering the weight too quickly.
  • Arching the back — brace your core.

Form cue: Keep your upper arms still and vertical. Only your forearms swing down and up.

Muscles worked
Triceps (long head), shoulders stabilise
Beginner sets & reps
3 sets × 8–12 reps
Rest
60–90 seconds

Dumbbell Kickback Beginner

A simple isolation move that teaches you to fully straighten and squeeze the triceps.

  1. Hinge at your hips with a flat back, a dumbbell in one hand, upper arm tucked to your side.
  2. Keep that upper arm still and parallel to the floor.
  3. Extend your arm straight back until fully straightened.
  4. Squeeze the triceps, then lower slowly. Finish the set, then switch arms.
  • Swinging the arm instead of extending it.
  • Letting the upper arm drop — keep it pinned and level.
  • Not straightening fully at the end.

Form cue: Lock your upper arm in place; the only thing that moves is your forearm hinging at the elbow.

Muscles worked
Triceps (lateral head), rear delts
Beginner sets & reps
3 sets × 10–15 reps per arm
Rest
45–60 seconds

See where triceps fit in the weekly plan →

🤸 Core — abs & obliques

FirstRep core workout poster: weighted crunch, leg raise, Russian twist, dumbbell sit-up, plank drag and side bend with steps, common mistakes and rep ranges.
The full core poster shows six variations. Start with the three beginner moves below.

Weighted Crunch Beginner

A simple, controlled crunch with a little added weight to build the upper abs — far safer for beginners than fast, jerky sit-ups.

  1. Lie on your back, knees bent, feet flat on the floor.
  2. Hold a light dumbbell against your chest.
  3. Crunch up, lifting your shoulders off the floor.
  4. Squeeze your abs at the top, then lower slowly over about 2 seconds.
  • Pulling your neck with your hands.
  • Rushing the movement instead of controlling it.
  • Only doing a partial range — lift with intent.
  • Not actually engaging the abs (letting the arms do it).

Form cue: Keep your chin tucked and breathe out as you crunch up — imagine bringing your ribs toward your hips.

Muscles worked
Upper abs (rectus abdominis)
Beginner sets & reps
3 sets × 10–15 reps
Rest
45–60 seconds

Leg Raise Beginner

Targets the lower abs. Start with just your bodyweight and add a light dumbbell held above your hips once it feels easy.

  1. Lie on your back, legs straight and together, hands (or a light dumbbell) resting above your hips.
  2. Press your lower back gently into the floor.
  3. Raise your legs until they're roughly perpendicular to the floor.
  4. Lower them slowly, stopping just above the floor without touching down.
  • Arching the lower back off the floor.
  • Using momentum to swing the legs.
  • Bending the knees too much.
  • Dropping the legs too fast at the bottom.

Form cue: Keep your lower back pressed flat the whole time. If it lifts, don't lower your legs as far.

Muscles worked
Lower abs
Beginner sets & reps
3 sets × 8–12 reps
Rest
45–60 seconds

Russian Twist Beginner

Works the obliques (the sides of your waist). Keep your feet on the floor to start, and lift them only once you're steady.

  1. Sit on the floor, knees bent, feet flat (feet down is the easier beginner version).
  2. Hold a light dumbbell with both hands in front of your chest.
  3. Lean back slightly with a tall chest and rotate your torso to one side until the dumbbell is beside your hip.
  4. Twist smoothly to the other side. That's one rep each way.
  • Rounding the back — keep your chest up.
  • Twisting too fast and losing control.
  • Moving only your arms instead of rotating from the core.

Form cue: Rotate from your ribcage, not your elbows. Slow and controlled beats fast and sloppy.

Muscles worked
Obliques
Beginner sets & reps
3 sets × 12–20 reps (each side)
Rest
45–60 seconds

Add core to your week — see the plan →

Know the moves? Now string them together.

The weekly plan tells you exactly which of these exercises to do on which day — no more staring at your dumbbells wondering where to start.