The debate over beginner vs advanced tricep exercises which is better for skinny arms is a trap; the real key is hitting all 3 heads of the tricep with enough weight to fail between 6-12 reps, which 90% of so-called "advanced" exercises actually prevent. You're probably here because you've been doing pushups, bench dips, or maybe some light dumbbell kickbacks, and your arms are still stubbornly thin. You see people online doing complicated, wobbly exercises and assume that must be the secret. It’s not. In fact, it’s the opposite. For building raw size, especially on your triceps, boring is better. "Advanced" often just means less stable, which forces you to use less weight. Less weight means less stimulus for muscle growth. You can't progressively overload an exercise where you're fighting just to stay balanced. Skinny arms aren't a result of doing the wrong exercises; they're a result of not creating enough mechanical tension on the right muscles. The tricep makes up two-thirds of your upper arm mass. If you want bigger arms, this is the muscle to focus on. The solution isn't a fancier exercise. It's picking 2-3 basic, stable movements and getting brutally strong at them in that 6-12 rep range. That's it. That's the entire secret.
If your tricep workout is just pushdowns and kickbacks, you're leaving at least 50% of your potential arm growth on the table. The tricep isn't one single muscle; it's a group of three muscles, or "heads": the lateral head, the medial head, and the long head. The lateral head is the visible, horseshoe-shaped muscle on the outside of your arm. The medial head is deeper, underneath the other two. The long head runs down the back of your arm and is the largest of the three. This is the key. The long head contributes the most to the overall size and thickness of your arm. To grow it effectively, you must train your triceps with your arms in an overhead position. Think about your current routine. Are you doing any overhead extensions? If not, you are almost completely ignoring the biggest part of your tricep.
Here’s how it breaks down:
The mistake almost everyone with skinny arms makes is only doing the first type of exercise. They do endless sets of rope pushdowns and wonder why their arms aren't growing. It's because they're only training one-third of the muscle group effectively. A complete tricep workout must include an overhead movement. You now know about the three heads of the tricep and why hitting the long head is critical for size. But knowing this and actually programming workouts that progressively overload all three heads are two different things. Look back at your last 4 weeks of training. Can you prove you got stronger on an overhead, a pushdown, and a press? If you can't, you're just guessing.
Forget about doing 10 different exercises. You only need three, performed twice a week, with relentless focus on getting stronger. This is a 12-week plan designed for one thing: building bigger triceps. This isn't about muscle confusion; it's about consistency and overload. Pick one exercise from each category below and stick with it for the full 12 weeks.
You need one exercise from each of these three categories to ensure you're hitting all heads of the tricep with maximum intensity.
This is how you guarantee you're getting stronger over time. For each exercise, you'll work within a specific rep range, like 3 sets of 8-12 reps.
This method removes all guesswork. You either hit your reps or you didn't. You either add weight or you don't.
Train triceps twice per week with at least 48 hours of rest in between. For example, Monday and Thursday. This maximizes muscle protein synthesis, the process of rebuilding muscle fibers bigger and stronger.
Follow this protocol for 12 weeks without deviation. Combine it with a slight calorie surplus and sufficient protein, and your arms will grow.
Starting a proper training program comes with a predictable timeline. Understanding it will keep you from quitting when things feel weird in the first few weeks. Progress isn't linear, and the initial feeling isn't what you expect.
That's the plan. Three exercises, twice a week, tracking sets, reps, and weight. You need to remember what you lifted on Monday to know what to beat on Thursday, and what you lifted 4 weeks ago to see if you're actually progressing. Most people try to keep this in their head. Most people fall off by week 3 because life gets in the way and they forget their numbers.
Pushups are a great general conditioning tool, but they are not an effective exercise for building large triceps. The problem is progressive overload. Once you can do 20-25 pushups, you are no longer building strength or size; you are building muscular endurance. You need to add external weight to grow.
No. This is one of the fastest ways to stall your progress. Muscles grow during recovery, not during the workout itself. Training triceps with high intensity 2-3 times per week, with at least 48 hours of rest between sessions, is the optimal frequency for growth.
You cannot build something from nothing. To build new muscle tissue, your body needs building blocks (protein) and energy (calories). Aim to eat in a slight calorie surplus of 200-300 calories above your daily maintenance level and consume 0.8-1 gram of protein per pound of bodyweight daily.
Many people chasing bigger arms focus almost exclusively on bicep curls. This is a mistake. Your tricep muscle group makes up roughly two-thirds of your upper arm mass. Prioritizing your tricep training will have a much larger and faster impact on your overall arm size than just focusing on biceps.
Elbow pain is common with tricep training, usually from using too much weight too soon or improper form on exercises like skull crushers. If you feel pain, immediately reduce the weight. Opt for more joint-friendly variations like rope pushdowns and ensure you perform a thorough warm-up before every session.
All content and media on Mofilo is created and published for informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition, including but not limited to eating disorders, nutritional deficiencies, injuries, or any other health concerns. If you think you may have a medical emergency or are experiencing symptoms of any health condition, call your doctor or emergency services immediately.