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Exercises

Arm exercises for beginners: start on machines, then add dumbbells

Published October 19, 2026

The best arm exercises for beginners are the cable curl and the cable triceps pressdown, followed by the machine triceps extension, the preacher curl on a cable station, and later the dumbbell curl, hammer curl and seated overhead extension. Machines and cables guide the path of the handle, so you can learn what a hard set feels like without also learning to balance a weight. Start with one biceps and one triceps exercise, 2 or 3 sets each, stopping 2 to 3 reps before failure, twice a week. That is enough to grow at first; add more exercises only when those stop moving.

  1. Cable Curl Biceps
  2. Cable Triceps Pressdown Triceps
  3. Machine Triceps Extension Triceps
  4. Machine Preacher Curl Biceps
  5. Dumbbell Curl Biceps
  6. Seated Dumbbell Overhead Triceps Extension Triceps
  7. Hammer Curl Biceps, Forearms
  8. Reverse-Grip Lat Pulldown Lats

Start here: machine and cable arm exercises

A cable or a machine holds the line of the movement for you, keeps tension on the muscle from the first inch to the last, and lets you change the weight with a pin instead of hunting for dumbbells. That makes them the easiest place to learn to push a set close to failure safely. If you go to a gym, pick one biceps and one triceps exercise from this group and stay with them for your first six to eight weeks.

Biceps, first exercise to learn

Cable Curl

Biceps

The cable pulls on your hand the whole way up and the whole way down, so the biceps never get a rest at the top the way they do with a dumbbell. The weight stack moves in small steps, which makes it easy to add a little load every week or two.

How to do it

  1. Set the pulley at its lowest position and clip on a straight or EZ handle.
  2. Stand a short step back from the machine, take the handle with palms up, and start with straight arms and elbows by your ribs.
  3. Bend your elbows and bring the handle up toward your upper chest, keeping your upper arms still.
  4. Lower it slowly until your arms are straight again, then start the next rep.

Cues

  • Elbows pinned to your ribs
  • Two seconds on the way down
  • Stand tall, no leaning back

Common mistakes

  • Rocking your hips forward to get the handle moving: drop a plate on the stack until you can curl standing still.
  • Letting the stack slam between reps: stop with the weight just off the stack so tension stays on.

Swap for: Dumbbell Curl, EZ-Bar Curl, Bayesian Cable Curl

Build a session with Cable Curl

Biceps, arms supported on a pad

Machine Preacher Curl

Biceps

Resting the backs of your arms on the preacher pad stops you from swinging, which is the most common beginner mistake on any curl. A straight bar on a low cable with a preacher seat, or a plate-loaded or selectorized preacher curl machine works the same way.

How to do it

  1. Adjust the seat so your armpits sit snug against the top of the pad.
  2. Take the bar or handles with palms up and rest the backs of your upper arms flat on the pad.
  3. Curl the handle up until your forearms are close to vertical.
  4. Lower until your elbows are almost straight, without letting them lock out hard at the bottom.

Cues

  • Armpits on the pad
  • Slow out of the bottom
  • Wrists straight, not curled

Common mistakes

  • Lifting your upper arms off the pad to finish the rep: that turns it into a shoulder raise, so lighten the load.
  • Dropping fast into the straight-arm position: the bottom is where the biceps are stretched, so move slowly there.

Swap for: Preacher Curl, Spider Curl, Concentration Curl

Build a session with Machine Preacher Curl

Triceps, first exercise to learn

Cable Triceps Pressdown

Triceps

The pressdown is the triceps exercise most beginners can feel working on the first try, because your upper arms stay still and only your forearms move. It is easy on the elbows at light loads and simple to progress in small steps.

How to do it

  1. Set the pulley at the top and attach a straight bar or a rope.
  2. Stand close, grab the attachment with palms down, and tuck your elbows against your sides with forearms about level with the floor.
  3. Push the handle down until your arms are fully straight, and squeeze for a moment at the bottom.
  4. Let it rise back until your forearms are level again, keeping your elbows where they started.

Cues

  • Elbows glued to your sides
  • Full lockout every rep
  • Chest up, slight forward lean

Common mistakes

  • Elbows drifting forward as the handle comes up: that lets your shoulders take over, so keep them still and use less weight.
  • Leaning over the bar and pushing with your body weight: stand closer to upright and let the arms do the work.

Swap for: One-Arm Cable Triceps Extension, Overhead Cable Triceps Extension, Cable Cross Pushdown

Build a session with Cable Triceps Pressdown

Triceps, seated machine

Machine Triceps Extension

Triceps

The machine fixes your upper arms on a pad and moves the handles on a set arc, so all you have to think about is straightening your elbows under control. It is a good second triceps exercise once the pressdown feels familiar.

How to do it

  1. Adjust the seat so your upper arms rest flat on the pad and your elbows line up with the machine's pivot.
  2. Grip the handles and sit tall with your back against the backrest.
  3. Straighten your elbows until your arms are locked out, then pause.
  4. Bend your elbows slowly back to the start, stopping before the weight stack touches down.

Cues

  • Elbows on the pivot
  • Pause at lockout
  • Shoulders down, back on the pad

Common mistakes

  • Seat set too high or too low, so the pad digs into your elbows: move it until the pivot sits next to your elbow joint.
  • Short, bouncy reps near the start: open the elbows all the way until you feel the triceps stretch.

Swap for: Machine Triceps Dip, Cable Triceps Pressdown, JM Press

Build a session with Machine Triceps Extension

Dumbbell arm exercises to learn next

Dumbbells are the next step, and the only option if you train at home. Each arm has to control its own weight, so start one or two steps lighter than you think and watch that your elbows stay put. These three cover the front of the arm, the side of the arm, and the long head of the triceps that sits on the back.

Biceps, dumbbell basic

Dumbbell Curl

Biceps

Once cable curls feel steady, the dumbbell curl lets each arm work on its own, so a weaker side cannot hide behind the stronger one. It is also the curl you can do anywhere you have a pair of dumbbells.

How to do it

  1. Stand holding two dumbbells by your thighs, palms turned forward.
  2. Curl one or both dumbbells up toward your shoulders, keeping both elbows tucked against your ribs.
  3. Squeeze at the top with the dumbbells near shoulder height.
  4. Lower slowly to a straight arm and start the next rep.

Cues

  • Thumbs turn out as you lift
  • Elbows stay beside you
  • Control the lowering

Common mistakes

  • Swinging with your back to lift a dumbbell that is too heavy: go one step lighter and keep your torso still.
  • Cutting the rep short before the arm is straight: lower all the way, or the biceps only work through half their range.

Swap for: Kettlebell Curl, Band Hammer Curl, Cable Curl

Build a session with Dumbbell Curl

Brachialis and forearm, neutral grip

Hammer Curl

Biceps, Forearms

With your palms facing each other, the hammer curl shifts work to the brachialis under the biceps and the forearm muscle on the thumb side. Beginners can usually handle more weight here than on a regular curl, and many find it easier on the wrists.

How to do it

  1. Pick up two dumbbells and turn your palms in toward your thighs.
  2. Keep your elbows by your sides and curl the dumbbells up, thumbs leading.
  3. Stop when your forearms are close to vertical.
  4. Lower under control back to straight arms.

Cues

  • Thumbs to shoulders
  • Wrists stay neutral
  • No body swing

Common mistakes

  • Letting the dumbbells drift across your body: keep each one in line with its own shoulder.
  • Rushing the lowering half: count two on the way down.

Swap for: Alternating Hammer Curl, Seated Dumbbell Hammer Curl, Cable Rope Hammer Curl

Build a session with Hammer Curl

Triceps long head, overhead

Seated Dumbbell Overhead Triceps Extension

Triceps

Sitting down and holding one dumbbell with both hands makes this the most stable overhead triceps exercise for a beginner. With your arms overhead, the long head of the triceps, the largest part of the muscle, is stretched and does more work.

How to do it

  1. Sit on a bench with back support and hold one dumbbell overhead with both hands cupping the top plate.
  2. Point your upper arms at the ceiling, near your ears.
  3. Bend your elbows to let the weight sink down behind you until you feel a stretch in the back of your arms.
  4. Straighten your arms to bring it back overhead.

Cues

  • Elbows point at the ceiling
  • Ribs down, back on the pad
  • Deep stretch, then lock out

Common mistakes

  • Elbows flaring wide: that shortens the stretch and stresses the elbow; keep them about shoulder width.
  • Arching your lower back to push the weight up: sit tall against the backrest and use a lighter dumbbell.

Swap for: Overhead Cable Triceps Extension, Plate Overhead Triceps Extension, Kettlebell Overhead Triceps Extension

Build a session with Seated Dumbbell Overhead Triceps Extension

Moves that train your arms while you train everything else

Pulling and pushing exercises work your biceps and triceps too, so a beginner full-body plan already gives your arms some work before any curl. These three earn a place because they lean on the arms more than most: an underhand pulldown for the biceps, a close-hand incline push-up for the triceps, and a heavy carry for your grip and forearms.

Back and biceps, underhand pull

Reverse-Grip Lat Pulldown

Lats

Turning your palms toward you on a pulldown puts the biceps in a stronger position, so this back exercise also gives them heavy work. It is a beginner-friendly way to train the biceps with more weight than any curl allows.

How to do it

  1. Sit at a pulldown station with your thighs under the pads.
  2. Take the bar with palms facing you, hands about shoulder width.
  3. Pull the bar to your upper chest, driving your elbows down toward your hips.
  4. Let the bar rise slowly until your arms are straight overhead.

Cues

  • Chest up to meet the bar
  • Elbows down and back
  • Full stretch at the top

Common mistakes

  • Leaning far back to row the bar down: stay only slightly reclined.
  • Stopping with bent arms at the top: let the bar pull your arms straight before each rep.

Swap for: Lat Pulldown, Assisted Pull-Up, Chin-Up

Build a session with Reverse-Grip Lat Pulldown

Chest and triceps, bodyweight

Incline Push-Up

Chest

With your hands on a bench or a sturdy counter, a push-up gets light enough for anyone to do 10 good reps. Placing your hands a little narrower than your shoulders and keeping the elbows close makes the triceps do a bigger share.

How to do it

  1. Put your hands on a bench, box or counter, slightly narrower than shoulder width.
  2. Walk your feet back until your body is a straight line from head to heels.
  3. Lower your chest to the edge, elbows angled back along your sides.
  4. Press back up until your arms are straight.

Cues

  • Body like a plank
  • Elbows brush your ribs
  • Higher surface, easier rep

Common mistakes

  • Hips sagging toward the floor: squeeze your glutes and brace as if you were about to be poked in the stomach.
  • Flaring the elbows straight out: tuck them back at about 45 degrees.

Swap for: Kneeling Push-Up, Close-Grip Push-Up, Bench Dip

Build a session with Incline Push-Up

Grip and forearms, loaded carry

Farmer's Walk

Forearms, Traps, Shoulders

Holding heavy dumbbells and walking trains your grip and forearms without any technique to learn. A stronger grip also helps you hold on during rows, pulldowns and deadlifts.

How to do it

  1. Stand between two heavy dumbbells, squat down and pick them up with a neutral grip.
  2. Stand tall with your shoulders pulled down and back.
  3. Walk forward with short, even steps, keeping the dumbbells from swinging.
  4. Set them down with control when your grip is close to giving out.

Cues

  • Tall posture
  • Crush the handles
  • Short, steady steps

Common mistakes

  • Shoulders creeping up to your ears: keep them down and let your arms stay long.
  • Walking so fast the dumbbells swing: slow down and keep them still at your sides.

Swap for: Dumbbell Suitcase Carry, Dead Hang, Plate Pinch Deadlift

Build a session with Farmer's Walk

Put them together: example sessions

Each session below picks from the exercises above for one situation, with the sets, reps, rest and RIR filled in. Open one in the session builder to change a pick, price it from a recent set, and add it to RIRLift.

Session 1

New to the gym, machines and cables only

Open in the session builder
  • Workouts2× a week
  • Working sets12 a week
  • Per workout~15 min
  • EquipmentLat Pulldown, Adjustable Cable, Preacher Curl Machine, Triceps Machine +1

You have just joined a gym, you are not yet comfortable with free weights, and you want your arms to come along with a beginner full-body routine.

Every exercise here has a cable or machine guiding the path, so you can focus on effort instead of balance. There are only four exercises per session and two sets of each, because beginners grow from very little volume and need the extra recovery to learn the movements. Every set stops 3 reps short of failure in the first weeks, which is close enough to grow and far enough to keep the form clean while you learn what a hard set feels like.

Arms A
ExerciseSets × repsRIRRest
Reverse-Grip Lat PulldownPalms facing you. Bar to upper chest. 2 × 10–12 3 2 min
Cable CurlLow pulley. Elbows still. 2 × 10–15 3 75 s
Cable Triceps PressdownStraight bar. Lock out each rep. 2 × 10–15 3 75 s

Open Arms A in the session builder

Arms B
ExerciseSets × repsRIRRest
Machine Preacher CurlArmpits snug on the pad. 2 × 10–15 3 75 s
Machine Triceps ExtensionElbows level with the pivot. 2 × 10–15 3 75 s
Farmer's WalkReps are steps. Heavy but upright. 2 × 20–30 3 90 s

Open Arms B in the session builder

How to run it
Do Arms A and Arms B once each per week, on different days, after or between your main full-body workouts. If you already do a pulldown in your full-body plan, skip it here.
How to progress
Add a rep per set when you can. When both sets hit the top of the range at 3 reps in reserve, move the pin down one plate. After four weeks, drop the target to 2 reps in reserve.
Open in the session builder

Session 2

At home with one pair of dumbbells

Open in the session builder
  • Workouts2× a week
  • Working sets20 a week
  • Per workout~20 min
  • EquipmentDumbbells

You train at home with a single pair of light or medium dumbbells and a chair or bench, and you have never followed an arm routine before.

Without cables or machines, the three dumbbell basics carry the plan, and the incline push-up on a bench or counter adds triceps work you can scale by changing the height. A fixed pair gets easy fast, so the rep ranges run higher, up to 20, and the sets stop 2 short of failure rather than 3, which keeps the light dumbbells challenging enough to grow on. One session, 10 working sets, fits in about 25 minutes.

Home Arms
ExerciseSets × repsRIRRest
Dumbbell CurlBoth arms together. Elbows still. 3 × 10–20 2 75 s
Seated Dumbbell Overhead Triceps ExtensionOne dumbbell, both hands. Sit tall. 3 × 10–20 2 75 s
Hammer CurlPalms facing in. 2 × 10–20 2 1 min
Incline Push-UpHands on a bench or counter, a bit narrow. 2 × 8–15 2 90 s
How to run it
Do the session twice a week with at least two days between. If a dumbbell feels too heavy for the overhead extension, use one end of it with both hands and slow the lowering to three seconds.
How to progress
Add reps until every set reaches the top of the range at 2 reps in reserve. Then slow every lowering to three seconds, or lower the push-up surface one step, before you buy heavier dumbbells.
Open in the session builder

Session 3

Ten minutes after a full-body gym workout

Open in the session builder
  • Workouts2× a week
  • Working sets12 a week
  • Per workout~10 min
  • EquipmentAdjustable Cable, Dumbbells, Triceps Machine

You already follow a beginner full-body or upper/lower plan at a gym and want a short, direct arm finish at the end of upper-body days.

Your rows, pulldowns and presses already train the biceps and triceps, so the finish only needs one curl and one triceps exercise. Pairing them back to back as a superset, one muscle resting while the other works, fits 6 working sets into ten minutes. You are tired at the end of a workout, so the target stays at 2 reps in reserve to keep the form clean.

Finisher A
ExerciseSets × repsRIRRest
A1 Cable CurlSuperset with the pressdown. 3 × 10–15 2 1 min
A2 Cable Triceps PressdownRope or bar. 3 × 10–15 2 1 min

Open Finisher A in the session builder

Finisher B
ExerciseSets × repsRIRRest
A1 Hammer CurlSuperset with the extension. 3 × 10–15 2 1 min
A2 Machine Triceps ExtensionPause at lockout. 3 × 10–15 2 1 min

Open Finisher B in the session builder

How to run it
Add Finisher A to your first upper-body day of the week and Finisher B to the second. Do one set of the first exercise, go straight to the second, rest, and repeat.
How to progress
Add a rep each time until every set hits the top of the range at 2 reps in reserve, then raise the weight one step. Swap A and B every four weeks so both curls and both triceps moves get time first.
Open in the session builder

Make it fit you

Questions

What is a good arm day workout for beginners?

One biceps exercise and one triceps exercise, 2 or 3 sets each, 10 to 15 reps, stopping 2 to 3 reps before failure. At a gym, the cable curl and the cable pressdown are the easiest pair to learn. At home, use the dumbbell curl and the seated overhead extension. That is a complete arm workout for your first two months.

Are 4 exercises enough for arm day?

For a beginner, four is more than enough, and two is often plenty. Most of the growth in your first months comes from a few hard sets done consistently, and your arms already work during rows and presses. Add a third or fourth exercise only when the first two stop progressing.

What are some good arm exercises with dumbbells for beginners?

The dumbbell curl, the hammer curl and the seated overhead triceps extension. They cover the front, the side and the back of the arm, need only one pair of dumbbells and a chair, and have very little technique to learn.

Should beginners use machines or dumbbells for arms?

Machines and cables are easier to start with, because they guide the movement and keep tension on the muscle through the whole rep. Both build muscle equally well when the sets are hard enough. If you have access to a gym, start on cables and add dumbbells after a few weeks; at home, start with dumbbells.

How long does it take to firm up flabby arms?

Most beginners notice their arms feel firmer within 4 to 8 weeks of training them twice a week, as the muscle underneath grows and gets more tone at rest. How defined they look also depends on body fat, which training your arms alone does not change much.

How many times a week should a beginner train arms?

Twice a week is the sweet spot. Each session can be short, 4 to 6 hard sets for the arms, and a day or two between sessions gives the muscles time to recover before you train them again.

How heavy should a beginner lift for arm exercises?

Heavy enough that you finish each set with only 2 or 3 good reps left. For most beginners that is a weight you can lift 10 to 15 times. The number on the dumbbell does not matter; how close the set ends to failure does.