Vinh Pham, physical therapist and author of "Sit Up Straight: Futureproof Your Body Against Chronic Pain with 12 Simple Movements," explains why mobility exercises and good posture may be your best defense against muscle and joint pain.
He is the go-to physical therapist for A-listers and sports stars - now Vinh Pham is on a mission to help us all banish back pain by changing our bad habits