The couch stretch hits the front of the thigh and hip flexor, which often get short from sitting and from hard leg days. A wall or bench works the same way as a couch.

Diagrams show the shape of the movement. Follow the written steps before you add load.
Equipment. Bodyweight, Bench
Muscles. quadriceps. Also gluteus maximus, core
All Cheeked Up publishes general fitness education. It is not medical advice, physical therapy, or a promise that your body will change. Stop any exercise that causes pain and talk with a qualified professional about injuries, pregnancy, or health conditions before you train.