Why are my triceps growing but not biceps?

Author: Mrs. Jessyca Douglas MD  |  Last update: Friday, June 20, 2025

This could be due to many different reasons. Genetics, muscle imbalances, and training focus. While it is difficult to alter genetics, muscle imbalance or incorrect training focus can be altered to fix the issue. Not lifting heavy enough.

Is it normal for my triceps to be bigger than my biceps?

Q: Is it normal to have one bicep bigger than the other? A: Yes. Not only your bicep, your tricep, chest, shoulders all are asymmetrical. Professional Bodybuilders who try to be extremely symmetrical too have differences in their left and right side of the body parts.

Why are your biceps aren't growing?

There are two main training errors people make that keep their biceps from growing. These are overtraining the biceps (often unintentionally) and a lack of variation in training techniques. Adding additional biceps focused workouts and trying multiple biceps exercises doesn't work.

Are triceps 75% of your arm?

That's because the triceps — which make up about two-thirds of your overall arm — are primary movers in a multitude of other compound, multi-joint exercises, including the bench press and overhead press.

Are biceps or triceps more attractive?

Both the triceps and the biceps contribute to the overall appearance of your arm, but the triceps muscle plays a larger role in creating a "buff" or well-developed look. The triceps brachii muscle is located on the back of the upper arm and consis...

21 Reasons Why Your Back Isn't Growing (FIX IT FAST)

What is the hottest muscle on a man?

What eventually won as the most attractive muscles on a guy were the arms. Other muscles of interest in order, from most attractive to least, were the chest, back, shoulders, glutes, legs, abs, and, finally, calves, which came in dead last.

What should be bigger triceps or biceps?

Size. The triceps is a larger muscle, accounting for about two-thirds of the volume of the upper arm, whereas the biceps accounts for roughly one-third of the total volume.

Do triceps make your arms look big?

Building big triceps will help you to: Build big, defined arms: You can do all the bicep curls in the world, but if you're looking to fill out the sleeves of your muscle fit tshirt then you need to be doing tricep exercises.

What is the most important muscle for athleticism?

And yes it is the THORACIC DIAPHRAGM, there are actually 4 diaphragms in the human body; the CRANIAL, CERVICAL, THORACIC, and PELVIC. All of these have played an integral role within the body and between one another. At the foundation of the functional training and athletic training rests the thoracic diaphragm.

What is the easiest muscle to grow?

Here are three specific examples of muscles considered the easiest to build.
  • Biceps and Triceps. The biceps and triceps are the main muscles in your upper arm, with the triceps being the arm's largest muscle. ...
  • Latissimus Dorsi. ...
  • Quadriceps. ...
  • Calves and Forearms. ...
  • Abdominal Muscles. ...
  • Hamstrings.

How can I force my biceps to grow?

The best exercise for growing the bicep muscle is any variation of the curl. Curls are best done using a barbell and weights or a set of dumbbells. If you're training in the gym, sitting at a bench or using the preacher curl machine can help to further concentrate tension on the bicep muscle, leading to bigger gains.

Are 15 inch arms big?

Now, 15 inches might sound like a magic number, but remember, it looks different for everyone. Factors like height, weight, and overall body composition play a big role in how those 15 inches appear. For some, 15 inch arms might be the pinnacle of their fitness journey, while for others, it might be a stepping stone.

Why are my biceps not growing?

If your biceps aren't growing, it could be due to things like improper form, insufficient weight, or even poor nutrition. By addressing these common issues and adjusting your workout and diet, you'll be setting yourself up for success.

How to get massive forearms?

Our best exercises to include in forearm workouts include:
  1. Wrist flexion/extension: Wrist curls.
  2. Elbow flexion/extension: Reverse grip cable curl & Zottman curl.
  3. Grip strengthening: Farmer's carry & Plate pinch.

How to tell if you have good tricep genetics?

Tricep Shape

As an ideal, a horseshoe shape is considered attractive for your triceps, with a rounded arch that spans the length of your muscle belly. We tend to see this shape more prominently in people who have good tricep genetics.

How to grow biceps faster?

How To Get Bigger Biceps | 7 Easy Steps
  1. Don't Lift Too Heavy. ...
  2. Focus On Technique. ...
  3. Slow It Down. ...
  4. Work From Different Angles. ...
  5. Don't Neglect Recovery. ...
  6. Don't Over-Train (But Don't Under-Train!) ...
  7. Vary The Stimulus. ...
  8. Best Exercises for Building Bigger Biceps.

What muscle takes up most of your arm?

A 2007 study found the triceps accounts for about 55 percent of the muscle mass in the arm while the biceps accounts for about 30 percent.

Are 20 inch arms achievable naturally?

Genetics certainly come into play, but far more people are capable of building a legitimate 20-inch arm than will ever know. In many cases, if they only did things differently, their arms would grow to their ultimate potential rather than be stalled out one to three inches shy.

What's a good flexed bicep size?

The average bicep size is around 13–14 inches for young adult males with big biceps measuring 15+ inches. That said, some professional bodybuilders' biceps have reached 20+ inches. Therefore, with regimented training and nutrition, 18-inch arms are achievable.

Are triceps hard to grow?

Are triceps hard to build? Triceps are not hard to build if you choose the most effective exercises and focus on progressive overload. It is also important to choose exercises that put the long head of the triceps on stretch, and work all portions of the strength curve.

How to get thicker biceps?

How To Get Bigger Biceps: The 6 Best Exercises
  1. Concentration Curls (short head)
  2. Hammer Curls (long head)
  3. EZ Bar Curls (long / short head depending on grip)
  4. Preacher Curl (short head)
  5. Single Arm High Cable Bicep Curl (short head)
  6. Chin Ups (long / short head depending on grip)

Do shoulders make arms look bigger?

Proportional shoulders can make our arms look even bigger by creating visual consistency all the way to our chests. In contrast, underdeveloped shoulders can make our biceps and triceps appear underdeveloped.

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