One arm against wall

How to do it

1. 01

   Stand facing a wall with your feet shoulder-width apart.

2. 02

   Extend one arm straight out in front of you and place your palm against the wall.

3. 03

   Engage your core and lean your body forward, keeping your arm straight and your back flat.

4. 04

   Slowly push against the wall with your palm, activating your lat muscles.

5. 05

   Hold the position for a few seconds, then release and repeat with the other arm.