Triceps · Cable

Single-Arm High Cable Tricep Extension

One arm on a high cable for a strict, balanced triceps hit.

Single-Arm High Cable Tricep Extension exercise demonstration
TricepsCable

How to do it

  1. Set a high pulley and grab the handle with one hand, palm down.
  2. Tuck your elbow to your side, forearm up.
  3. Push the handle down until your arm locks out.
  4. Let it rise slowly to a full stretch, then finish reps before switching arms.

The one cue that matters

Keep your elbow pinned at your side, only your forearm moves.

Muscles worked

The Single-Arm High Cable Tricep Extension isolates the Triceps — no passengers. That makes it a clean tool for adding targeted triceps volume without extra fatigue.

FAQ

What muscles does the Single-Arm High Cable Tricep Extension work?

The Single-Arm High Cable Tricep Extension primarily works the Triceps.

How heavy should I go?

Pick a weight where you finish each set with 1 to 2 clean reps left in the tank. Own the top of your rep range before adding weight.

One side at a time?

Yes, it's a unilateral movement. Start with your weaker side and match the reps with your stronger side so no side gets ahead.

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