Cross Reach Sit Up. How-to, proper form and tips

Cross Reach Sit Up icon

The Cross Reach Sit Up is a variant of the Sit Up, adding additional effort to the obliques.

Video demonstration

How to and step by step instructions:

  1. Lie down, your back on the floor, extended legs.
  2. Sit Up bringing one extended arm towards the opposite extended leg.
  3. Lie back down to the starting position.

Hints & tips:

  • It is Ok to use a towel in the tailbone to avoid injury.


  • Strengthen your core.
  • Combines abs and hamstring strengthening.

Muscles worked and body parts involved:

Primary , Secondary

Primary muscles: Abs

Secondary muscles: Obliques, Lowerback, Hamstring

Muscle: Abs

Collection: Crunch Variations

Category: Bodyweight