How to hold a guitar correctly?

Correct Guitar Holding Technique

1. Maintain a straight posture with your back.
2. Position the guitar beneath your elbow.
3. If you're seated, you can rest the guitar on your dominant side.
4. Hold the guitar body at a slight angle, close to horizontal.
5. Make sure your feet are flat against the ground.
6. For fingerstyle playing, your thumb may extend over the fretboard.