GYM Lovers - Lying one-arm dumbbell triceps extension. An upper-arm exercise that isolates your triceps brachii. There are no synergistic muscles. Instructions Lie on a flat bench with a dumbbell in one
![Young man doing Standing Dumbbell One Arm Triceps Extensions on Fitnes Ball, phase 2 of 2 Stock Photo - Alamy Young man doing Standing Dumbbell One Arm Triceps Extensions on Fitnes Ball, phase 2 of 2 Stock Photo - Alamy](https://c8.alamy.com/comp/CMPE67/young-man-doing-standing-dumbbell-one-arm-triceps-extensions-on-fitnes-CMPE67.jpg)
Young man doing Standing Dumbbell One Arm Triceps Extensions on Fitnes Ball, phase 2 of 2 Stock Photo - Alamy
![One Arm Pronated Dumbbell Triceps Extension — how to do it, video of performing technique — AtletIQ.com One Arm Pronated Dumbbell Triceps Extension — how to do it, video of performing technique — AtletIQ.com](https://atletiq.com/content/exercises/235/male_1.jpg)
One Arm Pronated Dumbbell Triceps Extension — how to do it, video of performing technique — AtletIQ.com
![Woman Doing Seated Single Arm Overhead Dumbbell Tricep Extensions Stock Illustration - Illustration of layer, character: 236068437 Woman Doing Seated Single Arm Overhead Dumbbell Tricep Extensions Stock Illustration - Illustration of layer, character: 236068437](https://thumbs.dreamstime.com/z/basic-rgb-236068437.jpg)