Oppdatert: 21. jun. 2022
By using the lymph nodes and the muscles you can fix yourself watching this video.
The instructor is an sertified muscle therapist and be causios not to pull to mutch on the muscles. then you will be sore and tender. the purpose is to "pull threw the muscle. as showed in the video.
You will notice that the biceps tendon in the shoulder will have a softer feel.
If you manage to open up the tendon i the under arm. the biceps tendon will be soft and your shoulder pain will be less og gone..