Tricep Extension: How-To Guide, Form Tips & Video

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Tricep Extension Overview

The tricep extension is a dumbbell move for your triceps. Your triceps are the big muscles on the back of your arms. You sit on a bench and hold one dumbbell with both hands. You lift it overhead, then lower it behind your head. All you need is one dumbbell and a bench. The tricep extension helps build bigger, stronger arms. It works the triceps through a long stretch. This move is great for beginners. It fits well on an arm day or a push day. Add it after your bigger pressing moves.

What Is The Point of the Tricep Extension?

The tricep extension builds bigger, stronger triceps and adds serious arm mass. This move hits the back of your arms hard and gives you that horseshoe shape everyone wants.

How To Do The Tricep Extension

  1. Sit up tall on a bench. Hold one dumbbell with both hands.
  2. Press the dumbbell straight up above your head. Keep your arms straight.
  3. Hold the top of the weight with both palms. Point your elbows at the ceiling.
  4. Keep your upper arms still and close to your head.
  5. Breathe in. Slowly lower the dumbbell behind your head by bending your elbows.
  6. Stop when you feel a good stretch in your triceps. Do not go too low.
  7. Breathe out. Push the weight back up using only your triceps.
  8. Straighten your arms at the top. Do not lock your elbows hard.
  9. Move slow and smooth on every tricep extension rep.
  10. Do 8 to 12 clean reps.

Tricep Extension Form Tips

  1. Keep your upper arms still. Only your elbows should move.
  2. Point your elbows up, not out to the sides.
  3. Keep the weight over your head. Do not let it drift back.
  4. Sit up tall. Do not slump your back.
  5. Keep your core a little tight. This stops your back from arching.
  6. Lower the weight slowly. Take about 2 seconds down.
  7. Breathe in as you lower. Breathe out as you push up.
  8. Feel the stretch at the bottom. Feel the squeeze at the top.
  9. Hold the dumbbell firm with both hands the whole time.

Common Mistakes to Avoid for the Tricep Extension

  1. Using too much weight. This makes your elbows swing. Pick a weight you can control.
  2. Moving your upper arms. This takes work off your triceps. Keep them still and close to your head.
  3. Going too fast. Fast reps use bounce, not muscle. Take 2 seconds down and 2 up.
  4. A short range of motion. A tiny bend does little. Lower until you feel a real stretch.
  5. Dropping the weight too low. This can strain your shoulders. Stop at a safe stretch.
  6. Flaring your elbows wide. This turns it into a different move. Keep elbows pointed up.
  7. Arching your lower back. This happens with too much weight. Brace your belly and sit tall.
  8. Holding your breath. This can make you dizzy. Breathe out as you press up.
  9. Locking your elbows hard at the top. This stresses the joint. Stop just short of full lockout.
  10. Letting the dumbbell drift forward. Keep it right over your head.

Tricep Extension Workout Tips

  1. Feel your triceps work on every rep. Think about them squeezing as you push up.
  2. Lower the weight slowly. A slow drop builds more muscle than a fast one.
  3. Use a weight you can lift for 8 to 12 clean reps.
  4. Do not ego lift. A weight you control beats a heavy one you swing.
  5. Add weight in small steps over time. Small jumps keep your form safe.
  6. Squeeze your triceps hard at the top of each rep.
  7. Get a full stretch at the bottom. The stretch helps the muscle grow.
  8. Try 3 or 4 sets on your arm day.
  9. Add this after big presses like the bench press.
  10. Push a little past the burn on your last set. That last bit builds strength.
  11. For an easier version, use a lighter dumbbell and sit with back support.
  12. For a harder version, pause for one second at the bottom stretch.
  13. Keep your reps smooth even when you get tired. Stop if your form breaks.
  14. Film your set from the side. A quick video shows if your arms stay still.
  15. Rest about one minute between sets. Give your triceps time to recover.

Train Triceps With Your AI Trainer

  1. Go to the iOS App Store and search "GetFit AI: AI Fitness Trainer" or tap the button below to do the tricep extension exercise on the app
  2. Download the app 📲
  3. Complete the quiz to build a custom AI workout plan 🤖
  4. Choose a trainer or build a custom tricep extension plan targeting your triceps 💪
  5. Stay consistent, chat with your AI trainer anytime, and compete with friends to stay motivated 🏆

Weight & 1 Rep Max Calculator for the Tricep Extension Exercise

Average Tricep Extension standards by male, female, weight, age and height

Use this calculator to estimate a smart starting weight and one rep max for the Tricep Extension. Treat it as your starting line. Your GetFit AI trainer fine-tunes the exact weights as you train.

Enter your stats to calculate your Reps & Weight
How is this calculated?

Estimates start from a percentage of your body weight for this movement pattern and equipment, adjusted for gender, age, and height. One rep max is projected from the 8-rep weight using the Epley formula. Every lifter is different, so use these as a conservative starting point, not a target.

Beginner8 reps 45 lbs
1 Rep Max55 lbs
Intermediate8 reps 55 lbs
1 Rep Max70 lbs
Advanced8 reps 70 lbs
1 Rep Max90 lbs

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