Exercises
Sign in

Your biological operating system. Train, measure, and optimize with real data and your AI coach.

Product

  • Home
  • Exercises
  • Routines

Account

  • Today
  • Macros
  • Sign in
  • Create account

Legal

  • Terms & Conditions
  • Privacy Policy
  • Delete my account

© 2026 FitBook · Built for your prime.

System online
Exercises/Lats/Chin-Up

Chin-Up

LatsCompoundPullBodyweightIntermediate

Pull-up with a reversed grip (palms facing you), also called a chin-up. The underhand grip increases biceps and lower-lat involvement.

Visual guide

Chin-Up — StartChin-Up — End

Reference photo — start and end of the movement.

How to perform

  1. 1.Hang from the bar with an underhand grip at shoulder width.
  2. 2.Depress your shoulder blades and keep your core tight.
  3. 3.Pull your body up until your chin clears the bar.
  4. 4.Lower under control to full arm extension.

Common mistakes

  • ●Kicking the legs for momentum
  • ●Cutting the range short at the top or bottom
  • ●Shrugging the shoulders
  • ●Pulling only with the biceps and forgetting the back

Proper technique

Start the pull by driving your elbows down and back. Keep your chest up as you approach the bar. Control the descent to full extension.

Variants

Other exercises that work the same primary muscle.

Underhand-Grip Lat Pulldown

Lats

PullCompoundCable
Beginner

Wide-Grip Lat Pulldown

Lats

PullCompoundCable
Beginner

Close-Grip Lat Pulldown

Lats

PullCompoundCable
Beginner

Rope Lat Pulldown

Lats

PullCompoundCable
Beginner
muscle map
Front muscle view
Back muscle view

primary
secondary
Primary
  • Lats
Secondary
  • Biceps brachii
  • Rhomboids
  • Teres major
  • Brachialis
  • Rear deltoid
  • Mid traps
  • Lower traps