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Dumbbell Finger Curl

The dumbbell finger curl isn’t usually an exercise that’s at the top of anyone’s list. However, recent research indicates that poor grip strength is correlated with all-cause mortality. This exercise can help improve your grip strength, giving way to better dexterity, stability, and coordination.

In this article, we take a closer look at the dumbbell finger curl. We’ll also explore why this should become a regular go-to in your list of forearm dumbbell exercises.

How To Do

  1. Begin by standing tall with a dumbbell in each hand.
  2. Position your arms behind your back with your palms facing behind you.
  3. With a slow and controlled movement, gently curl your fingers towards your palms. This should pull the dumbbells slightly up and into your palms. Keep your shoulder blades down and back throughout the movement and avoid pushing your lower back forward.
  4. Hold for one second at the top of the movement, then slowly release. Keep your fingers curled so you don’t drop the dumbbells.
  5. Repeat for the desired number of repetitions and sets.

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Tips From Expert

  • Keep your fingers curled. Do this throughout the movement to avoid dropping the dumbbells.
  • Select an appropriate weight. If you struggle with control, this may mean you’re going too heavy. Try a lighter variation.
  • Don’t tighten the shoulders. Instead, relax your shoulders and gently pinch your shoulder blades down and back. This will help maintain proper posture.
  • Focus on the targeted muscles. During the exercise, focus on the finger flexors and wrist extensors. Doing so enhances that mind-body connection.
  • Ensure a full range of motion. Let the dumbbells roll onto your fingertips before curling them back into your palms.

Optimal Sets and Reps

The dumbbell finger curl is suitable for advanced and beginner arm workout programs. The number of reps and sets will depend on your specific goals, which are outlined below.

Training Type Sets Reps
Strength Training 3–5 5–8
Hypertrophy 3–4 8–12
Endurance Training 2–3 15–20
Power Training 3–5 4–6
Optimal Sets & Reps of Dumbbell Finger Curl

How to Put in Your Workout Split

Grip strength is a frequently neglected area of fitness. Many arm workouts with dumbbells incorporate exercises targeting the biceps, triceps, chest, and shoulders. Yet, forearm strength is critical for progressing and sustaining a balanced training program.

The importance of the dumbbell finger curl also spills over into everyday life. For instance, adequate finger dexterity and grip strength are necessary for:

  • Carrying groceries.
  • Opening jars.
  • Writing.
  • Typing.
  • Playing musical instruments.

From beginner to advanced routines, there are many ways to incorporate this exercise into your workout, including:

  • Arm Days — Add this alongside your regular tricep and bicep workout. Alternatively, you could perform a superset with wrist curls and the dumbbell finger curl. Supersets are when you perform two or more exercises, one after another, with little or no rest.
  • Full Body — For full-body workouts, place this exercise at the end of your routine. This will not only help you target your grip strength but also prevent it from fatiguing during other exercises.

Start with a lighter weight to perfect form and avoid injury. Gradually increase the weight as you notice the exercise becomes easier.

Primary Muscle Groups

Wrist Extensors

Muscles that make up the back portion of your lower arm, between your elbow and wrist.

Wrist Extensors

The wrist extensors play a significant role in the dumbbell finger curl. This group of muscles makes up the backside of the forearm. There are eight wrist extensors in total, including:

  • Extensor carpi radialis brevis.
  • Extensor digitorum.
  • Extensor digiti minimi.
  • Extensor carpi ulnaris.
  • Abductor pollicis longus.
  • Extensor pollicis brevis.
  • Extensor pollicis longus.
  • Extensor indicis.

In particular, the extensor carpi radialis longus and brevis muscles stabilize the wrist during the curl portion of this exercise. Studies further indicate that the wrist extensors are activated at a moderate to high level during handgrip tasks. This makes them a vital muscle for performing dumbbell finger curls properly.

Secondary Muscle Groups

Brachioradialis

Muscle located between outside portion of your forearm from the elbow to the wrist.

Brachioradialis

The brachioradialis is located on the outer portion of the forearm. It’s primarily an elbow flexor. Yet, the brachioradialis helps stabilize the forearm and assists with grip during the finger curl exercise.

Its activation rate can vary depending on the placement of the wrist and elbow. However, placing the hands behind the back, as explained in the how-to section above, moderately activates this muscle. As mentioned, it offers stability and support to the forearm during this movement.

Equipment

Dumbbells

Dumbbells

You can use these for a wide range of unilateral and bilateral exercises. Avoid using momentum to lift. Ensure a secure grip to prevent drops.

Variations

Exercises that target the same primary muscle groups and require the same equipment.

Alternatives

Exercises that target the same primary muscle groups and require the different equipment.

Who Should Do It?

Athletes And Weightlifters

From rock climbing to tennis, this exercise can help improve the necessary skills for various athletic activities. For example, better finger dexterity and coordination can reduce fatigue associated with longer rock climbing endeavors. 

The same goes for tennis players—where improvements in grip strength can prevent injuries and fatigue when holding the racket. Additionally, research indicates that increased grip strength is associated with improved stroke speed in male tennis players.

Weightlifters may also find advantages in performing the dumbbell finger curl regularly. When added at the end of a routine, this exercise can contribute to better performance in other movements. 

For example, a hurdle many people face with their deadlift is grip strength. But by using targeted exercises to improve this, you can continue making progress.

Manual Laborers

Manual laborers that may benefit from the finger curl include gardeners, landscapers, and mechanics. These types of occupations involve fine finger motor movements. Typically, individuals with these career paths perform these types of movements frequently.

With increased muscular strength in these areas, manual laborers can thwart injury and pain. In turn, this could even help avoid time off work due to injury, keeping production on course.

Writers And Musicians

A major risk for professional writers and musicians is a repetitive strain injury. This can quickly happen due to hours of practice or writing. However, the finger curl can help improve strength and prevent pain.

In particular, this exercise is important for pianists, drummers, and guitarists. These instruments typically require good finger dexterity and coordination.

Who Should Not Do It?

Individuals With Carpal Tunnel Syndrome

If you’re experiencing nerve compression in the arms, wrists, or hands, this exercise might not be appropriate. It could lead to further compression of the nerve and increased symptoms. 

Thus, it’s important to discuss your options with your doctor or healthcare provider. They can guide you on the best treatment to alleviate your neural issues. Eventually, finger curls may play a role in this rehabilitation process. Studies have even shown that handgrip exercises, under proper supervision, may alleviate symptoms associated with carpal tunnel syndrome.

Individuals With Severe Arthritis

Individuals with arthritis involving inflamed finger and wrist joints should approach this exercise with caution. This exercise could place increased stress and strain on an already sensitive area. 

However, working alongside a physical therapist or other healthcare provider may help you find suitable exercises that alleviate your pain. Your healthcare provider may recommend this to you after other pain management approaches have been implemented.

Individuals Who Have Never Lifted Weights Before

While this exercise is suitable for beginners, those new to lifting weights may want to simply start with the basics. This means working on gaining full-body strength and paying careful attention to exercise form. 

These initial programs will also help you gain baseline grip strength. Eventually, you may add the dumbbell finger curl to progress your lifts or exercises further. 

Expert tip: A personal trainer can guide you on proper technique and suitable exercises for your fitness level. This can be especially useful for beginners who initially aren’t sure how to approach exercise or weightlifting.

Benefits Of The Dumbbell Finger Curl

Improves Endurance 

Regular performance of the finger curl can help your forearm muscles withstand fatigue. This can contribute to a reduced risk of injury when playing an instrument or writing for hours on end. It can also make other exercises in a workout program that much easier.

Enhances Grip Strength

Are you struggling to grip the weight all the way through specific exercises? Maybe you’re noticing during your bicep curl that it’s not your biceps giving out. Instead, it’s your grip.

This is where the dumbbell finger curl can come into play and enhance grip strength. Through regular performance of this exercise, you can overcome hand grip hurdles in other exercises. As a result, you’ll notice increased gains across the board.

It’s also worth noting that about 23% of males and 27% of females over the age of 80 face a sharp decline in grip strength. This means that it’s worth putting some time and effort into maintaining it, especially as we get older.

Prevents Injuries 

Repetitive movements involving the fingers or wrists often lead down a slippery slope. Eventually, you might notice increasing aches and pains. This is often due to a lack of forearm muscle strength and overuse. 

However, the finger curl can help in this regard by strengthening this critical area. When performed regularly, you’ll face a lower risk of injury and likely less pain in the forearms, wrists, and hands.

Surprisingly, hand grip exercises, like the finger curl, can even help reduce shoulder pain. This is largely because such exercises improve the efficiency of other exercises involved in a shoulder rehab program.

Frequently Asked Questions

What muscles do dumbbell finger curls work?

The dumbbell finger curl works the wrist extensors, wrist flexors, and brachioradialis. These muscles are particularly important for overall grip strength.

Are finger curls effective?

Yes, finger curls have many benefits. They can enhance finger dexterity, improve coordination, and increase grip strength.

How to do finger curls with a dumbbell?

Finger curls with a dumbbell involve curling the dumbbell up into your palm. Slowly uncurl the fingers. Allow the weight to move down and off the palm. Ensure you maintain a slight finger curl, however, to avoid dropping the weight.

Why can’t I curl my finger?

There are many reasons for reduced finger flexibility. These include arthritis, fractures, tendon or ligament injuries, locked trigger fingers, and more. If you struggle to move your finger, it’s important to seek out advice from a medical professional.

Resources

Endomondo.com refrains from utilizing tertiary references. We uphold stringent sourcing criteria and depend on peer-reviewed studies and academic research conducted by medical associations and institutions. For more detailed insights, you can explore further by reading our editorial process.

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  4. Forman, D.A., Forman, G.N., Robathan, J. and Michael W.R. Holmes (2019). The influence of simultaneous handgrip and wrist force on forearm muscle activity. Journal of Electromyography and Kinesiology, [online] 45, pp.53–60. doi:https://doi.org/10.1016/j.jelekin.2019.02.004.
  5. Lung, B.E., Ekblad, J. and Bisogno, M. (2024). Anatomy, Shoulder and Upper Limb, Forearm Brachioradialis Muscle. [online] Nih.gov. Available at: https://www.ncbi.nlm.nih.gov/books/NBK526110/.
  6. Koulla Parpa, Michaelides, M., Petrov, D., Christos Kyrillou and Paludo, A.C. (2022). Relationship between Physical Performance, Anthropometric Measurements and Stroke Velocity in Youth Tennis Players. Sports, [online] 11(1), pp.7–7. doi:https://doi.org/10.3390/sports11010007.
  7. Seher Unver and Neriman Akyolcu (2018). The effect of hand exercise on reducing the symptoms in hemodialysis patients with carpal tunnel syndrome. Asian Journal of Neurosurgery, [online] 13(01), pp.31–36. doi:https://doi.org/10.4103/ajns.ajns_343_16.
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