Reviewed exercise · beginner

Single-Arm Cable Triceps Extension

A accessory isolation movement for triceps.

Equipment

cables

Typical range

10–25 reps

Also trains

No secondary emphasis listed

Set up

Set a single handle above shoulder height and place the upper arm near the torso.

Execute

Extend the elbow without moving the shoulder, then return slowly.

Complete the final repetition with the same controlled path, then return the load safely.

Coaching cues

• Keep the elbow pinned.
• Use a repeatable range.

Common mistakes

• Rotating the torso or snapping into lockout.
• Adding load after position or control is lost.

Modify or stop when relevant discomfort is reported. Educational content does not diagnose injury.