A patient is instructed to stretch their upper extremities using a foam roller as depicted in Image A. The physical therapist realizes that this stretch is not targeting the intended muscles and instead educates the patient on how to perform the stretch as seen in Image B. Which muscles are targeted with the modified stretch?

1. Pectoralis major and subscapularis
2. Pectoralis major and infraspinatus
3. Latissimus dorsi and subscapularis
4. Latissimus dorsi and infraspinatus

Watch the video version of this episode on YouTube - https://youtu.be/vFGEOeiueWw