How many reps of the cable triceps kickback should a beginner do per arm?

Two to 3 sets of 12 to 15 reps per arm at a light pulley weight, since the cable adds tension at the start of the rep, where a dumbbell gives almost none. Add weight only once the upper arm stays parallel to the floor for the whole set.

What can replace the cable triceps kickback without a cable machine?

A dumbbell or band triceps kickback both use the same hinged, elbow-only pattern if a low pulley isn't available.

What is the cable triceps kickback good for?

Use it as an isolation finisher when you want continuous tension through the whole range, including the start of the rep where a dumbbell would go light. It's not a good fit as an early, heavy triceps builder, since the hinged position and light loading cap how much you can progressively overload.

Beginner

Cable Triceps Kickback

Swapping the dumbbell for a low cable keeps steady resistance from start to lockout, including at the start of the rep where a dumbbell goes light. That makes it a smoother, more consistent triceps squeeze. Use it as an isolation finisher when you want continuous tension.

Equipment: Cables
Body part: Triceps
Type: Strength
Browse by muscle: Triceps Brachii Lateral Head, Triceps Brachii Medial Head, Triceps Brachii Long Head
Browse by movement: Elbow Extension

How to do it

1
Set a single handle on a low pulley and hinge forward facing the machine.
2
Grip the handle and raise your upper arm parallel to the floor, elbow tucked.
3
Keep your back flat and your upper arm locked in place.
4
Extend your elbow to draw the handle back until your arm is straight.
5
Squeeze the triceps at full lockout.
6
Return under control to the bent position, finish reps, then switch arms.

Tips

Keep the upper arm horizontal and motionless; isolate the elbow.
Let the cable pull your forearm back slowly rather than dropping it.
Set the pulley low so the line of pull matches your forearm angle.

Variations

Common mistakes

The upper arm drifts down from parallel as the cable pulls, letting the shoulder share work that's supposed to stay on the elbow.
Letting the cable snap the arm back into the bent position between reps skips the slow, controlled return this version is built for.
Standing too far from the machine changes the line of pull so it no longer matches the angle of the forearm.
The torso rises out of the hinge to help finish the extension once the weight feels heavy, trading a strict elbow squeeze for momentum from the hips.

Frequently asked

How many reps of the cable triceps kickback should a beginner do per arm?: Two to 3 sets of 12 to 15 reps per arm at a light pulley weight, since the cable adds tension at the start of the rep, where a dumbbell gives almost none. Add weight only once the upper arm stays parallel to the floor for the whole set.
What can replace the cable triceps kickback without a cable machine?: A dumbbell or band triceps kickback both use the same hinged, elbow-only pattern if a low pulley isn't available.
What is the cable triceps kickback good for?: Use it as an isolation finisher when you want continuous tension through the whole range, including the start of the rep where a dumbbell would go light. It's not a good fit as an early, heavy triceps builder, since the hinged position and light loading cap how much you can progressively overload.

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