ExercisesStrength Training — Free Weights

Dumbbell Tricep Kickback: A Complete Guide

6 minute read Beginner friendly Basic home kit

Also called DB Kickback, Tricep Kickback

Quick Intro

Dumbbell Tricep Kickback, also called the DB Kickback or Tricep Kickback, is an isolation strength exercise performed by hinging forward at the hips, keeping the upper arm parallel to the floor and extending the forearm straight back behind the body against resistance. It’s a tricep isolation exercise that loads the muscle hardest at full extension, using dumbbells as the only equipment.

Equipment Needed

Dumbbell Tricep Kickback needs Dumbbells, one held in the working hand, the one required piece of equipment. A bench to rest the opposite hand and knee on makes holding the bent-over position considerably more stable, though it isn’t strictly required.

Why Dumbbell Tricep Kickback Matters

Extending the forearm straight back from a fixed, parallel upper arm trains the triceps brachii through a range where the muscle is already shortened, loading it hardest right at full extension, a different emphasis than the mid-range a pressing exercise typically loads hardest. Because the upper arm stays still and only the forearm moves, this exercise isolates the triceps more directly than almost any pressing movement can. Muscular endurance is the main demand, with strength second, as the light load is locked out for rep after rep.

When to Do It

Dumbbell Tricep Kickback works well as a finishing exercise near the end of an arm or push-focused session, once the bigger pressing lifts that also tax the triceps are already done. Two to three sessions a week is a reasonable frequency, since the triceps tend to tolerate more frequent, lighter isolation training.

Anyone with a current elbow tendon issue should approach this lift cautiously, since the full-extension lockout at the end of each rep places tension on the elbow right at lockout. Using a lighter weight and stopping just short of a hard lockout is a reasonable way to test how the joint responds before adding resistance.

Getting Ready

A minute of arm circles and a few light band pressdowns prepare the triceps and elbows this exercise leans on. A few unloaded reps of the bent-over kickback motion, arm simply extending back without weight, rehearse the position before any load is added.

A lighter warm-up set with the dumbbell gives the triceps a chance to adjust to this exercise’s unique full-extension loading before the working sets begin.

Step-by-Step Instructions

1. The setup. Hinge forward at the hips with a flat back, holding a dumbbell with the upper arm pulled back and held parallel to the floor.

2. The kickback. Extend the forearm straight back until the arm is fully straight, keeping the upper arm fixed in place throughout.

3. The return. Bend the elbow to bring the forearm back to the starting position under control, without letting the upper arm drop.

How Many, How Often

Dumbbell Tricep Kickback is dosed by reps, sets and the weight held, with the working weight chosen relative to how well the upper arm stays fixed and parallel to the floor through a full set.

LevelWhere you’re atWhat to do
BeginnerNew to the fixed-upper-arm position3 sets of 12 to 15 reps with a light weight, focused entirely on keeping the upper arm still.
IntermediateUpper arm position stays consistent through a full set3 sets of 10 to 12 reps with a weight where the last few reps challenge the triceps while form holds.
AdvancedComfortable with a heavier, controlled extension3 to 4 sets of 8 to 10 reps, reaching a full lockout on every rep.

Keeping the upper arm parallel to the floor and fixed in place matters more here than the weight used, since letting the upper arm drop or swing turns this into a momentum-driven pulley motion, not the strict isolation exercise it’s meant to be.

Modifications and Variations

Dumbbell Tricep Kickback has two alternatives, one done overhead and one done lying on a bench.

For an alternative that loads the triceps overhead instead of behind the body, Overhead Tricep Extension extends the forearm upward from behind the head, working the long head of the triceps through a deep overhead stretch this bent-over version doesn’t reach.

For an alternative with a different muscle emphasis, Skull Crushers lies supine and lowers a bar or dumbbells toward the forehead, loading the triceps through a lying, elbow-flexion-dominant pattern instead of a standing extension.

Progression path: Dumbbell Tricep Kickback as a fixed-angle, full-extension isolation move, with Overhead Tricep Extension and Skull Crushers as parallel alternatives for a different joint angle or lying position.

Common Mistakes to Avoid

Letting the upper arm drop or swing during the kickback. Only the forearm should move, and letting the upper arm drop or swing brings the shoulder and back into helping move the weight, taking work away from the triceps. Fixing the upper arm parallel to the floor for the entire set keeps the isolation strict.

Stopping short of a full lockout. Cutting the extension short before the arm is fully straight leaves out the exact range where the triceps are hardest at work. Reaching a full lockout on every rep, even with lighter weight, gets more out of the exercise.

Rounding the back during the bent-over position. A rounded lower back under this hinge position adds unnecessary strain that has nothing to do with the triceps. Keeping the back flat and hinging from the hips protects the spine while the arm does the work.

After Your Set

A light, bent-over isolation movement like this barely raises the pulse, so there’s nothing to wait out before stretching. An overhead tricep stretch, reaching one arm overhead and bending the elbow to pull the hand down the back, targets the muscle that just worked through repeated extensions. Clasping the hands behind the back and rolling the shoulders open eases the shoulders after holding the bent-over position.

Going Deeper

Dumbbell Tricep Kickback usually sits near the end of an arm or push session, added specifically once bigger pressing lifts have already fatigued the triceps and a lighter, isolated finisher makes sense. Pairing it with Overhead Tricep Extension across different sessions covers both a bent-over and an overhead angle of tricep loading.

Progress here tends to stall on upper arm position, not raw strength: a lifter can have plenty of tricep strength and still lose most of this exercise’s benefit by letting the upper arm swing to help move the weight. Dropping the weight and rebuilding a fixed, parallel upper arm tends to unstick a stalled kickback faster than adding more load to a pattern that’s already swinging.

Someone new to this lift generally needs a session or two to find a comfortable hinge position and grip, and continues adding weight over the following several weeks as the triceps adapt to this full-extension-focused demand.

How to Know You’re Improving

  1. The upper arm staying fixed and parallel to the floor for the entire set
  2. A full lockout reached on every rep
  3. A heavier dumbbell extended without the upper arm dropping to help
  4. A flat back maintained through the whole bent-over position

A fixed upper arm through the whole set, not the weight used, is what marks progress here.

Muscles Worked

  • Triceps Brachii (the back of the upper arm, loaded hardest at full extension with the upper arm held parallel to the floor)

FAQ

What’s the difference between this and Overhead Tricep Extension? Overhead Tricep Extension extends the arm overhead instead of behind a bent-over body, working the long head of the triceps through a deep overhead stretch, while this version loads the triceps hardest right at full extension from a fixed, parallel upper arm (see Modifications and Variations above).

Why does my upper arm want to swing during this exercise? That usually means the weight is too heavy for strict isolation; using a lighter dumbbell and consciously fixing the upper arm in place removes the temptation to swing.

Is Dumbbell Tricep Kickback enough on its own for tricep growth? It’s a useful isolation finisher, but it works best paired with a bigger pressing exercise like Skull Crushers or Overhead Tricep Extension, not used as the sole tricep exercise in a session.

How much weight should I start with? Considerably less than a tricep pressdown or skull crusher uses, since the fixed-arm position and full-extension lockout make this exercise harder to load heavy while keeping strict form. Starting light is the more effective approach.


Related to Overhead Tricep Extension and Skull Crushers.