Exercise · Form & cues

Machine Tricep Extension (Seated) — form guide

Triceps (all three heads, long head emphasis). Equipment: Seated Tricep Extension Machine. Difficulty: Beginner.

TEMPO

2-1-2-0

Pre-stretch position trains the long head where it grows — at length. Pair with a pushdown for a complete tricep day.

Sets & Reps

Programming defaults depend on your goal. Pick the row that matches yours:

Strength4–6 sets3–5 repsRPE 8–93–5 min

Hypertrophy3–5 sets8–12 repsRPE 7–990–120 s

Endurance2–4 sets15–25 repsRPE 6–845–60 s

Cues

Seat so upper arms are flat against the pad
Full extension at the bottom of the rep
Slow eccentric — let elbows bend deep

Common mistakes

Letting upper arms lift off the pad
Half-reps at the stretch

Injury notes

Elbow tendinopathy: drop the load and use full ROM.

Progression

Add 2.5kg/stack when 12 reps land easy.

Indian gym reality

Machines vary wildly across Indian gyms — the same exercise on a different brand can feel completely different. Trust the movement pattern and target muscle, not the sticker on the machine.

If your gym doesn't have this equipment

Use the free-weight version of the same pattern; the machine's guidance is convenience, not necessity.

Home & hostel version

Diamond push-ups + bench dips off a chair. Free, effective, hard.

Nutrition & recovery around this lift

Isolations recover fast — 24 hours is usually enough. You can hit the same muscle again the next day with a different exercise. For an Indian lifter, land 30–40g of protein within 90 minutes of finishing — 200g paneer, 4 whole eggs, 150g chicken, or a whey shake all work.

Programs that feature Machine Tricep Extension (Seated)

Full workout plans where this lift sits in the main slot — pick the goal, split, and frequency that fits your life.

6-Day PPL — Muscle Gain

Two push days at hypertrophy volume

4-Day Upper/Lower — Strength

Heavy bench + overhead press

5-Day PPL — Beginner Hypertrophy

Bench progression that survives real life

Eat to support this lift

Recovery and growth happen at the plate. A meal plan matched to the training goal:

2400 kcal Vegetarian — Recomp

Recomp macros for upper-body hypertrophy

Frequently asked

What muscles does Machine Tricep Extension (Seated) work?

Primarily Triceps (all three heads, long head emphasis). Load and rep range shift the emphasis — heavy triples bias the primary mover, sets of 12+ bring more of the secondaries in.

How many sets of Machine Tricep Extension (Seated) per week?

For hypertrophy, 10–20 direct working sets per week across all exercises for that muscle. This exercise usually contributes 3–8 of those sets, depending on where it sits in your program.

My Indian gym doesn't have this machine — what do I do?

See the "If your gym doesn't have this equipment" section above — every variant listed is a legitimate substitute, not a compromise.

How often should I do Machine Tricep Extension (Seated)?

Most intermediates do best with 2× per week frequency on any given lift — one heavier session and one lighter, or two matched sessions with different rep ranges. Beginners can add a third if recovery holds up.