Dumbbell Seated One Arm Triceps Extension (left)
Expert Advice
Keep your wrist straight and stable throughout the exercise to prevent strain.
How-to-do Steps
- Sit on a bench with back support and hold a dumbbell in your left hand.
- Extend your left arm overhead with the dumbbell.
- Keeping your upper arm still, lower the dumbbell behind your head by bending at the elbow.
- Extend your arm back to the starting position.
- Complete the set on your left arm before switching to the right arm, if needed.
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Muscles Worked
Dumbbell Seated One Arm Triceps Extension (left) primarily targets the Triceps, with Strength mechanics using Dumbbell. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary

Triceps100%
Equipment
Dumbbell

Exercise Type
Strength
Sets & Reps Guidance
Beginner3 x 10-12
Intermediate4 x 8-10
Advanced4 x 6-8
Frequently Asked Questions
What muscles does Dumbbell Seated One Arm Triceps Extension (left) work?
Dumbbell Seated One Arm Triceps Extension (left) primarily targets the Triceps. It is classified as a Strength exercise performed with Dumbbell.
How many sets and reps should I do for Dumbbell Seated One Arm Triceps Extension (left)?
For beginners, start with 3 sets of 10-12. Intermediate lifters can do 4 sets of 8-10. Advanced athletes can push to 4 sets of 6-8. Adjust based on your goals and recovery capacity.
Is Dumbbell Seated One Arm Triceps Extension (left) suitable for beginners?
Dumbbell Seated One Arm Triceps Extension (left) is rated as intermediate difficulty. Beginners may want to start with lighter loads or simpler variations and progress to this exercise as their strength and coordination improve.