Many beginners who want bigger arms start with the most obvious exercises. They do standing barbell curls, cable pushdowns, and a few machine movements at the end of a chest or back workout. Those are not bad choices, but they can leave useful muscle building opportunities on the table.
The arms are not simply made up of the biceps and triceps. The triceps contain three distinct heads, while the muscles that flex the elbow include the biceps brachii, brachialis, and brachioradialis. Training with only one joint position or one hand position can mean that some of these muscles are not challenged as effectively as they could be.
This does not mean you need a complicated arm day full of isolation exercises. In fact, beginners usually make better progress with a small number of movements performed consistently, with good technique, enough effort, and gradual progression. The three exercises below deserve more attention because they train the arms in positions that common beginner choices often miss.
Why Exercise Selection Matters for Arm Growth
Muscle growth is driven largely by resistance training that creates enough mechanical tension and is repeated over time. The exercise must also be challenging through a useful range of motion, while allowing you to control the load and gradually make it harder.
Research suggests that training a muscle at longer lengths can be especially useful for hypertrophy in some situations. In practical terms, that means choosing exercises that challenge a muscle while it is stretched rather than only when it is fully shortened. This is not a reason to abandon standard curls or pushdowns, but it is a strong reason to add movements that use different shoulder and elbow positions.
Beginners also need exercises that are easy to learn and simple to progress. You should be able to feel the target muscle working, keep the movement controlled, and add repetitions or load gradually. Arm training should not turn into a contest of swinging dumbbells or forcing heavy weights through a tiny range of motion.
The following three exercises fill common gaps in beginner arm programs. Together, they train the triceps, biceps, brachialis, and brachioradialis with a more complete approach.
1. Overhead Cable Triceps Extension
The overhead cable triceps extension is one of the best exercises for building bigger triceps, yet many beginners spend all of their triceps work on pushdowns. A pushdown can be effective, but the overhead extension changes the position of the upper arm and places a greater stretch on the long head of the triceps.
Why It Works
The triceps brachii has three heads. The long head is unique because it crosses both the shoulder and elbow joints. When your arms are raised overhead, the long head is placed at a longer muscle length than it is during a typical cable pushdown.
A controlled training study found that overhead elbow extension training produced substantially greater triceps hypertrophy than elbow extension training performed with the arms in a neutral position. The advantage was particularly notable for the long head, although the overall triceps also grew more in the overhead condition. This makes the overhead extension a highly practical choice for anyone whose arm training has consisted mainly of pressing and pushdowns.
The triceps make up a large proportion of upper arm muscle mass, so improving triceps size can have a major effect on how big your arms look from the side and back. If your goal is visibly larger arms, ignoring overhead triceps work is an easy mistake to correct.
How to Perform It
Set a cable pulley at a low position and attach a rope handle. Face away from the cable machine, hold the rope with both hands, and bring it overhead. Your upper arms should point roughly upward, with your elbows bent and close to your head.
Extend your elbows until your arms are nearly straight, then slowly allow the rope to return to the starting position. Keep your ribs down and avoid turning the exercise into a lower back extension. The movement should come mainly from your elbows.
A single dumbbell can also work well if cables are not available. Hold one end of the dumbbell with both hands, lower it behind your head under control, and extend your elbows to raise it.
How Beginners Should Program It
Start with two or three sets of eight to fifteen repetitions, twice each week. Use a load that allows you to control the lowering phase and maintain a stable upper arm position. You should finish most sets with roughly one to three repetitions still possible with good form.
There is no need to force every set to complete muscular failure. A systematic review found only a small overall advantage for training to failure compared with stopping before failure for muscle hypertrophy. For a beginner, consistent hard sets with clean technique are more valuable than repeatedly grinding out ugly repetitions.
2. Incline Dumbbell Curl
The incline dumbbell curl is often ignored because it is harder than a standard standing curl. That is exactly why it can be such a useful addition. By placing the arms behind the torso, the exercise changes the shoulder position and trains the biceps in a more lengthened position.
Why It Works
The biceps brachii crosses both the elbow and shoulder joints. When your upper arm moves behind your body, the biceps is lengthened at the shoulder before you even begin to curl. This creates a very different challenge from a standard standing curl, where the upper arm usually stays beside the torso.
Research comparing different curl variations has shown that exercise position can influence where growth occurs within the elbow flexors. Studies comparing preacher and incline curls have found distinct regional adaptations, which supports the idea that using more than one curl position may provide a broader training stimulus than relying on only one variation.
The incline dumbbell curl also discourages cheating. When your back is supported against an incline bench, it becomes harder to use hip drive or swing the dumbbells upward. This helps keep tension on the elbow flexors instead of turning the set into a whole body movement.
How to Perform It
Set an adjustable bench to a moderate incline. Sit back with a dumbbell in each hand and let your arms hang naturally behind your torso. Begin with your palms facing forward or gradually rotate them toward that position as you curl.
Keep your shoulders against the pad and curl the dumbbells upward without allowing your elbows to drift far forward. Stop when you can no longer raise the weight without losing your shoulder position, then lower the dumbbells slowly until your elbows are fully extended or close to fully extended.
The lowering phase deserves attention. Do not drop the dumbbells into the stretched position. Lower them under control, especially in the bottom half of the exercise, where the biceps are challenged at a longer length.
How Beginners Should Program It
Use two or three sets of eight to twelve repetitions once or twice per week. Start lighter than you think you need. The incline curl can feel much harder than a standing dumbbell curl because it removes momentum and challenges the biceps from a stretched position.
Keep your wrists neutral and avoid aggressively twisting the dumbbells if your elbows or forearms feel uncomfortable. You can also perform the movement one arm at a time, which may make it easier to focus on technique and use a controlled range of motion.
3. Hammer Curl
The hammer curl is often treated as a minor variation of the standard curl, but it deserves a more central place in beginner arm training. Its neutral hand position shifts the challenge toward muscles that are often undertrained when people only use fully supinated curls.
Why It Works
The biceps brachii is important for elbow flexion, but it is not the only muscle that bends the elbow. The brachialis lies underneath the biceps and contributes strongly to elbow flexion. The brachioradialis runs along the upper forearm and is also an important elbow flexor, particularly when the hand is in a neutral position.
A neutral grip hammer curl is a simple way to train the elbow flexors without depending entirely on the biceps brachii. It can help build thickness through the upper arm and forearm, which often makes the arm look more muscular even when viewed from the front.
Electromyography research confirms that hand position changes how the elbow flexors contribute during curling movements. While muscle activity recordings do not guarantee long term muscle growth on their own, they support the practical point that curls with different grips do not challenge the arm muscles in exactly the same way.
Hammer curls are also often more comfortable for people who find straight bar curls irritating on the wrists or elbows. The neutral position is natural for the forearm and can allow beginners to train hard without forcing their joints into an uncomfortable position.
How to Perform It
Stand tall with a dumbbell in each hand and your palms facing your thighs. Keep your upper arms close to your sides, then curl the dumbbells upward while maintaining the neutral hand position. Imagine that you are holding two hammers, with the ends of the dumbbells pointing forward and backward throughout the movement.
Avoid swinging the weights. If your torso starts moving backward, the dumbbells are probably too heavy. Lower the weights slowly until your elbows are extended and repeat.
You can perform this exercise with dumbbells, a rope attachment on a cable machine, or a cross body style in which each dumbbell travels toward the opposite side of your chest. Standard dumbbell hammer curls are the easiest version for most beginners to learn.
How Beginners Should Program It
Perform two or three sets of ten to fifteen repetitions once or twice per week. A slightly higher repetition range often works well because it allows you to use a manageable load while keeping control of the movement.
Place hammer curls after your main biceps exercise or pair them with an overhead triceps extension. This can make an arm session efficient without reducing the quality of either exercise.
How to Build These Exercises Into Your Routine
You do not need a separate arm day to benefit from these movements. Add them after your larger upper body exercises, such as rows, pullups, presses, and bench presses. Compound lifts train the arms, but direct arm work is useful when building noticeable size is a priority.
A simple beginner approach is to train arms twice per week. On one day, perform incline dumbbell curls and overhead cable triceps extensions. On another day, perform hammer curls and repeat the overhead extension or use a standard triceps movement that feels comfortable.
Start with a total of four to eight challenging sets per week for biceps focused work and a similar amount for triceps focused work. This can be enough for a beginner when combined with regular pushing and pulling exercises. As your technique improves and recovery remains good, you can gradually add sets.
Progression is simple. First, aim to add repetitions while using the same weight. Once you reach the top of your chosen repetition range on every set with good technique, increase the load slightly and build the repetitions back up. This patient approach is more reliable than changing exercises every week.
Arm growth also depends on the basics outside the gym. Resistance training is the stimulus, but adequate protein intake, enough calories to support your goal, and consistent sleep all influence recovery and adaptation. No curl variation can replace the fundamentals.
Table of Key Takeaways
| Key point | What it means for beginners |
|---|---|
| Overhead cable triceps extensions train the triceps with the arms raised | This position is especially useful for developing the long head of the triceps and can complement pushdowns |
| Incline dumbbell curls challenge the biceps with the arms behind the torso | Use a controlled range of motion and lighter loads than you would use for standing curls |
| Hammer curls train more than the biceps alone | The neutral grip gives useful work to the brachialis and brachioradialis, helping build arm and forearm thickness |
| Two arm sessions each week can be enough | Use a modest number of hard, controlled sets and progress gradually |
| Technique should come before load | Stop sets when form changes substantially, then earn heavier weights through consistent progression |
References
- Maeo, S., Uchida, M., Miyamoto, N., Kanehisa, H. and Isaka, T. 2023. Triceps brachii hypertrophy is substantially greater after elbow extension training performed in the overhead versus neutral arm position. European Journal of Sport Science, 23(2), pp. 201 to 209.
- Maeo, S., Halaki, M., Kanehisa, H. and Isaka, T. 2021. Placing greater torque at shorter or longer muscle lengths? Effects of cable versus barbell preacher curl training on muscular strength and hypertrophy in young adults. International Journal of Environmental Research and Public Health, 17(16), 5859.
- Nunes, J.P., Ribeiro, A.S., Schoenfeld, B.J., Tomeleri, C.M., Avelar, A., Trindade, M.C.C., Cyrino, E.S. and Grgic, J. 2023. Regional hypertrophy: The effect of exercises at long and short muscle lengths in recreationally trained women. Journal of Strength and Conditioning Research, 37(11), pp. 2167 to 2174.
- Refalo, M.C., Jukic, I., Helms, E.R., Trexler, E.T. and Steele, J. 2024. Exploring the dose response relationship between estimated resistance training proximity to failure, strength gain, and muscle hypertrophy: A series of meta regressions. Sports Medicine, 54(9), pp. 2209 to 2231.
- Stasinaki, A.N., Zaras, N., Methenitis, S., Bogdanis, G., Terzis, G. and Krase, A. 2018. Triceps brachii muscle strength and architectural adaptations with resistance training exercises at short or long fascicle length. Journal of Functional Morphology and Kinesiology, 3(2), 28.
- Vieira, A.F., Umpierre, D., Teodoro, J.L., Lisboa, S.C., Baroni, B.M., Izquierdo, M. and Cadore, E.L. 2018. Differences in electromyographic activity of biceps brachii and brachioradialis while performing three variants of curl. Journal of Sports Science and Medicine, 17(2), pp. 299 to 305.
- Vieira, A.F., Umpierre, D., Teodoro, J.L., Lisboa, S.C., Baroni, B.M., Izquierdo, M. and Cadore, E.L. 2023. Training in the initial range of motion promotes greater muscle adaptations than at final in the arm curl. European Journal of Applied Physiology, 123(5), pp. 1093 to 1104.
