Karena Wu was quoted in NBC news Better online:

NBC News Better: How to use a foam roller to relieve neck, back and knee pain

NYC Celebrity Physical Therapist Dr. Karena Wu knows tight muscles. On herself, her patients, her athletes, we are all prone to our tissues tightening up on us. The foam roller is an amazing at home tool to relieve tightness in your muscles to maintain your health and manage your injuries. Foam rolling can help with shoulders, low back, hip, knee and ankle injuries. To read how to use a foam roller, click here.

Full link: https://www.nbcnews.com/better/lifestyle/how-use-foam-roller-relieve-neck-back-knee-pain-ncna978301