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Exercise · Core

Captain's Chair Leg Raise guide

The Captain's Chair Leg Raise is a beginner-level isolation machine lift that trains the Lower Rectus Abdominis. Use it when you want more core work with machine. Keep the range honest, add load only when every rep looks the same.

TargetLower Rectus Abdominis
SecondaryCore
EquipmentMachine
MechanicsIsolation
LevelBeginner
Sets × reps3–4 × 8–15

What muscles does the captain's chair leg raise work?

The Captain's Chair Leg Raise primarily trains the Lower Rectus Abdominis, with the core as the target group. Train it as part of a balanced core routine.

How do you do the captain's chair leg raise?

To do the Captain's Chair Leg Raise: adjust the seat so the machine's pivot matches the joint you are training. strap in if there is a pad, then start the captain's chair leg raise; move the load with the lower rectus abdominis. if another muscle takes over, shorten the range until lower rectus abdominis is doing the work; control the lowering half. a bounce at the bottom is a missed rep on the captain's chair leg raise; stop 1–2 reps before form breaks. add weight or a harder variation only after every working set looks the same.

  1. Adjust the seat so the machine's pivot matches the joint you are training. Strap in if there is a pad, then start the captain's chair leg raise.
  2. Move the load with the lower rectus abdominis. If another muscle takes over, shorten the range until lower rectus abdominis is doing the work.
  3. Control the lowering half. A bounce at the bottom is a missed rep on the captain's chair leg raise.
  4. Stop 1–2 reps before form breaks. Add weight or a harder variation only after every working set looks the same.

What are the most common captain's chair leg raise mistakes?

  • Turning the captain's chair leg raise into a momentum drill. — Slow the first two seconds of the lowering half until the lower rectus abdominis stays tense.
  • Cutting the range short to move more load. — Own the longest range you can keep tidy. Load comes after range.
  • Letting the machine dictate sloppy setup. — Reset stance, grip and brace before every set, not after the first ugly rep.

Captain's Chair Leg Raise alternatives

Captain's Chair Leg Raise FAQ.

What muscles does the Captain's Chair Leg Raise work?

The Captain's Chair Leg Raise primarily targets the Lower Rectus Abdominis, training the Core as the main muscle group.

Is the Captain's Chair Leg Raise a compound or isolation exercise?

The Captain's Chair Leg Raise is an isolation exercise — it focuses on one muscle, which is useful for targeting and bringing up weak points.

What equipment do I need for the Captain's Chair Leg Raise?

You need a machine. Difficulty is rated beginner.

What are good alternatives to the Captain's Chair Leg Raise?

Good core alternatives include Plank, Crunch, Side Plank.

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