Function 4 Life is a chiropractic practice in Harrisonburg, Virginia led by Dr. David Glazer. Founded in 2012, the practice emphasizes movement, health, fitness, relief, recovery, and rehabilitation. Services include chiropractic care for issues such as neck pain and stiffness, running assessments and performance guidance for injuries and prevention, and support for athletes preparing for competition. The practice also offers Birthfit-focused care for common pregnancy and postpartum concerns including back and hip or pelvic pain, swelling, breech baby position, and diastasis recti, with collaboration alongside other professionals when needed.