Strong arms are always in season. That's a fact. If you want to tone your arms á la J.Lo or Jennifer Garner, you don't actually need a gym full of equipment and a personal trainer at your beck and call. All you need to build seriously strong arms is a pair of dumbbells, about 15 minutes, and this list of the absolute best arm toning exercises.

Small-but-mighty dumbbells make it possible to work all of your arm muscles—think your delts (shoulders), biceps (fronts of your upper arms), and triceps (backs of your upper arms)—from pretty much anywhere, whether it's at the gym or in your bedroom.

Meet the expert: Tatiana Lampa, CPT, is a certified personal trainer and corrective exercise specialist with a degree in nutrition and exercise sciences. She created the Training with T App and Move Better program.

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And yes, strength training is *key* if you want to sculpt your arms. Your best bet is to incorporate a variety of arm exercises into your workouts regularly. (Think targeting each and every muscle in your arms.) Crank out the below arm-toning exercises two to three times a week, by following the instructions to come. You can either incorporate them into full-body or upper-body workouts, or dedicate a few sessions per week specifically to arm workouts with weights.


Time: 15 minutes | Equipment: dumbbells | Good for: arms

Instructions: For a full arm workout, choose six moves from the list below. Perform 12 reps of each, then continue to the next move without a break. When you finish all six, rest for 60 seconds, then repeat three more times for a total of four rounds.

Trainer tip: To work your arms from all angles, choose two exercises that target your biceps (think: curls), two that light up your triceps (think dips), and two that'll make your shoulders burn (think upright rows).


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Biceps Curl

How to:

  1. Start standing with feet hip-width apart holding a pair of dumbbells at sides. Palms should be facing forward with back straight and chest upright.
  2. Without moving upper arms, bend elbows and bring weights up toward shoulders.
  3. Slowly lower the dumbbells back to starting position with control. That's one rep.

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Cactus Arms

How to:

  1. Start standing on the mat, feet hip-width apart.
  2. Bring elbows together and up so arms form 90-degree angles and elbows are at shoulder height.
  3. Keeping core stable, open elbows as wide as possible.
  4. Bring them together again. That's one rep.

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Upright Row

How to:

  1. Start standing with feet hip-width apart, with arms resting in front of body and a dumbbell in each hand.
  2. Lift dumbbells by raising elbows until they reach chest-level.
  3. Slowly lower them back down to waist with control, and repeat. That's one rep.

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Lying Overhead Triceps Extension

How to:

  1. Lie on back with knees bent and feet placed flat on the ground, about a foot from butt.
  2. Hold a dumbbell in each hand and extend arms up over shoulders, palms facing toward each other.
  3. Slowly bend at the elbows to bring weights toward floor, close to temples.
  4. Pause, then, slowly extend arms to bring the weights back overhead. That's one rep.

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Alternating Bent-Over Row

How to:

  1. Start with feet hip-distance apart, holding one dumbbell in each hand with palms facing each other.
  2. Hinge at hips, keeping head in line with tailbone.
  3. Bracing core, pull right elbow back until right wrist is near ribs.
  4. Lower with control to return to start position.
  5. Bracing core, pull left elbow back until left wrist is near ribs.
  6. That's one rep.

Trainer tip: For any single-side moves, don't forget to switch sides and complete all the reps on the other side before moving on.


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Triceps Kickback

How to:

  1. Start standing with feet two-fists-width apart with knees bent.
  2. Lean forward slightly, with a dumbbell in each hand and elbows at 90-degrees by sides.
  3. Press dumbbells back and up, and as you straighten arms, squeeze triceps.
  4. Lower weights with control to return to start. That's one rep.

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Curtsy Lunge with Biceps Curl

How to:

  1. Start standing with feet hip-width apart holding a dumbbell in each hand.
  2. Take a big step back with right leg, crossing it behind left while keeping hips facing forward.
  3. Bend knees and lower down until the right knee almost touches the floor. At the same time, bend elbows and bring the weights toward shoulders, keeping elbows pointing down.
  4. Step through left heel as you come to start, standing tall. That's one rep.

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Renegade Row

How to:

  1. Start in plank position, holding dumbbells in either hand on the ground.
  2. Pull right elbow toward the ceiling until right wrist is near ribs, then return it to floor.
  3. Repeat on opposite side. That's one rep.

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Rear Delt Fly

How to:

  1. Start standing with feet hip-width apart and knees slightly bent.
  2. Hinge at the hips and let arms hang straight down from shoulders, palms facing your body, holding a pair of dumbbells.
  3. Raise both arms out to the sides with elbows slightly bent and squeeze shoulder blades together.
  4. Lower weights with control to return to start. That's one rep.

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Alternating Military Press

How to:

  1. Start kneeling with right leg forward, tailbone tucked and core engaged.
  2. Bring elbows up and out so arms form 90-degree angles, like a field goal, with dumbbells in hands.
  3. Press right arm up to straight, until right bicep is near right ear.
  4. Lower down to return to field goal position.
  5. Repeat with left arm. That's one rep.

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Triceps Dip

How to:

  1. Start seated in a chair and grip the front edges with both hands.
  2. Scoot butt forward until it's hovering just off the seat and legs form 90-degree angles and straighten arms.
  3. Lower body down until elbows form 90-degree angles.
  4. Engage the back of your arms to press back to start. That's one rep.

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Seated Arnold Press

How to:

  1. Start seated with legs fully extended out in front of body with a slight bend in knees.
  2. Hold a dumbbell in each hand in front of face with palms facing each other and elbows forming 90-degree angles.
  3. Creating a slight upward arc motion, open elbows up and out to sides until palms face forward.
  4. Following the same arc, bring elbows down and back together. That's one rep.

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Overhead Triceps Extension

How to:

  1. Start standing, gripping one dumbbell with both hands, and lift the weight overhead, arms straight, feet hip-width apart.
  2. Keeping upper arms by your ears, bend elbows to lower the weights slowly behind your head and pause.
  3. Straighten arms, returning to start. That's one rep.

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Dumbbell Floor Press

How to:

  1. Lie on back with knees bent and feet placed flat on the ground, about a foot from butt.
  2. Hold a dumbbell in each hand and extend arms up over shoulders, palms facing toward each other.
  3. With control, bend arms and lower them to sides until triceps touch the floor (dumbbells will still be over wrists). Elbows should form a 45-degree angle with the body.
  4. Slowly reverse the movement and return to start. That's one rep.

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Plank with Biceps Curl

How to:

  1. Start in plank position, with dumbbells in hands on the ground, directly beneath shoulders.
  2. Keep core and hips stable, slowly bringing the right dumbbell toward the right shoulder.
  3. Lower it back down with control.
  4. Repeat on the other side. That's one rep.

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Single-Arm Dumbbell Floor Press

How to:

  1. Lie on back with knees bent and feet flat on the floor.
  2. Hold a dumbbell in left hand and extend arm upward over chest, palm facing away from you.
  3. Slowly bend arm and lower it to the side until tricep touches the ground—elbow should form a 45 degree angle with body.
  4. Reverse the movement and return to start. That's one rep.
  5. Complete all reps on one side, then switch arms.

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Write Your Name

How to:

  1. Start standing holding a single dumbbell in both hands.
  2. Extend arms out in front at chest height.
  3. Slowly and with control, write your name in the air. Each letter is a rep.

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Alternating Dumbbell Floor Press

How to:

  1. Lie on back with knees bent and feet placed flat on the ground.
  2. Hold a dumbbell in each hand and extend both arms up over shoulders, palms facing each other.
  3. Slowly bend left arm and lower it to the side, until left elbow touches the ground. Upper arm should form a 45 degree angle with your body.
  4. Reverse the movement and return to start.
  5. Repeat on the right side. That's one rep.

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Plié Squat with Biceps Curl

How to:

  1. Start standing with feet slightly wider than shoulders, toes pointed out at 45 degrees, torso upright.
  2. Hold a set of dumbbells in both hands.
  3. Inhale, bend knees and sink hips down, aiming to get thighs parallel to the floor, while curling the dumbbells toward your shoulders and squeezing biceps at the top.
  4. Exhale and drive through your heels back to the starting position, straightening arms. That’s one rep.
Headshot of Jennifer Nied
Jennifer Nied

Jennifer Nied is the fitness editor at Women’s Health and has more than 10 years of experience in health and wellness journalism. She’s always out exploring—sweat-testing workouts and gear, hiking, snowboarding, running, and more—with her husband, daughter, and dog.