Chin-up — back compound exercise in the LIFTAG library

Chin-up

Compound · Weight × reps

Hang from a secure bar with a shoulder-width underhand grip and arms comfortably extended. Drive your elbows down and pull your chest toward the bar until the chin clears without craning the neck, then lower under control. Keep your ribs organized and legs quiet. Avoid dropping into the bottom or using a grip that forces painful wrist, elbow, or shoulder rotation. The underhand position generally gives the elbow flexors more mechanical advantage than an overhand pull-up; use assistance, negatives, or a neutral handle if needed, and add load only after consistent control.

IN THE APP

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Scan the machine's QR tag and this exercise opens ready to log: sets, rest timer, PRs, and your whole progression for Chin-up.

FOUND ON THESE MACHINES

HOW TO DO CHIN-UP

  1. Hang underhand, hands about shoulder width. Start from a still hang.
  2. Pull until the chin is clearly over the bar and the elbows are down by the ribs.
  3. Lower to a full hang. Do not skip the bottom just because the biceps are on fire.

COMMON MISTAKES

  • Logging chin-ups as pull-ups. Underhand vs overhand is a different lift and a different PR. Keep this slug.
  • Half hangs. The lengthened biceps and lats are the work. Take the hang.

VARIATIONS

PROGRESSIONS

  1. Assisted chin-ups or underhand pulldowns.
  2. Strict chin-ups.
  3. Weighted chin-ups logged with the extra load.

PROGRAMMING NOTES

Use as the main vertical pull or as the biceps-biased pair to pull-ups. Do not smash both heavy on the same day unless recovery is actually there — LIFTAG’s frequency chart will tell you if you keep stacking them.

FREQUENTLY ASKED QUESTIONS

Open Chin-up in LIFTAG, or tap the NFC tag / scan the QR code on the machine at a partner gym. Log each working set as weight × reps. The rest timer starts after you save the set, and PRs plus estimated 1RM update automatically.