Exercise guide · Intermediate · Compound

Barbell Lying Back of the Head Tricep Extension: How to Do It & Muscles Worked

The barbell lying back of the head tricep extension is an isolation exercise targeting the triceps, performed lying on a bench and lowering a barbell behind the head.

Primary muscles
Triceps
Secondary muscles
Shoulders
Equipment
Barbell
Level · type
Intermediate · Compound
Demonstration of the barbell lying back of the head tricep extension
Front view: muscles worked by the barbell lying back of the head tricep extension. Primary: triceps. Secondary: shoulders.
Back view: muscles worked by the barbell lying back of the head tricep extension. Primary: triceps. Secondary: shoulders.
Primary Secondary

How to do the barbell lying back of the head tricep extension

  1. Step 1: Lie flat on a bench with your feet flat on the ground and your head at the end of the bench.
  2. Step 2: Hold a barbell with an overhand grip, hands shoulder-width apart, and extend your arms straight up over your chest.
  3. Step 3: Keeping your upper arms stationary, slowly lower the barbell behind your head by bending your elbows.
  4. Step 4: Pause for a moment, then extend your arms back up to the starting position.
  5. Step 5: Repeat for the desired number of repetitions.

Sets, reps and programming

Suggested sets, reps and rest for the barbell lying back of the head tricep extension by training goal
Goal Sets Reps Rest Effort
Strength 3–5 3–6 3–5 min 1–3 reps in reserve
Muscle growth 3–4 6–12 2–3 min 1–2 reps in reserve
Muscular endurance 2–3 12–20 1–2 min 1–3 reps in reserve

Ranges follow the ACSM position stand on progression in resistance training. Muscle grows across a wide range of loads when sets end close to failure (Schoenfeld et al., 2017), longer rests between heavy sets support strength and size (Schoenfeld et al., 2016), and stopping a rep or two short of failure works about as well as training to failure (Grgic et al., 2022). Estimate your working weights with the strength calculators.

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