
About Lock Chiropractic
Lock Chiropractic is a family-owned chiropractic clinic serving San Francisco and the Bay Area for over 40 years. Led by Dr. Michael Lock and Dr. Colin Lock, our office provides personalized care for patients dealing with neck pain, back pain, joint pain, sports injuries, repetitive strain, and movement-related conditions.
Our approach combines decades of clinical experience with modern, movement-based chiropractic care. We focus on identifying the source of pain, improving spinal and joint function, and helping patients return to daily activities, work, exercise, and sports with better mobility and confidence.
Meet Your Chiropractors

Founder/Chiropractor
Dr. Michael Lock D.C.
Dr. Michael Lock has served the San Francisco community for over 40 years, providing personalized chiropractic care for patients of all ages. His approach focuses on helping patients reduce pain, improve function, and maintain long-term spinal and joint health. Dr. Michael Lock is a graduate of Palmer College of Chiropractic West and has been in practice in San Francisco for over 40 years. He has treated patients of all ages, from children to seniors, and is known for his personalized care and gentle technique. Dr. Lock believes in educating his patients and creating long-term solutions for pain relief and improved function. When he's not, Dr. Michael enjoys spending time with family, traveling, and staying active with hiking and golf.

Chiropractor
Dr. Colin Lock D.C.
Dr. Colin Lock provides chiropractic care with a focus on movement, function, injury recovery, and active lifestyles. Dr. Colin Lock enjoys working with active individuals and athletes, including patients involved in basketball, golf, hiking, swimming, rock climbing, pickleball, martial arts, and other movement-based activities. His own interest in sports and exercise influences his approach to chiropractic care, injury recovery, and long-term mobility. Dr. Colin Lock is a graduate of Palmer College of Chiropractic West, in practice for 8 years, and has a strong interest in sports, movement, and performance. Dr. Colin is passionate about helping patients recover from injuries, move better, and perform at their best. Outside the office, Dr. Colin enjoys basketball, golf, hiking, judo, and Brazilian jiu-jitsu. He values an active lifestyle and brings that same mindset into his care and patient education.