Who was the key figure associated with the widely accepted definition of subluxation by early chiropractors?

• A. R.W. Stephenson
• B. B.J. Palmer
• C. Daniel David Palmer
• D. James Parker

Answer: (A)

The key figure associated with the widely accepted definition of subluxation by early chiropractors is R.W. Stephenson. He played a significant role in articulating and codifying the principles of chiropractic practice. His book, "Chiropractic Textbook," published in 1927, provided a comprehensive framework that included a detailed discussion on subluxation, framing it as a fundamental concept within chiropractic philosophy.

His definitions and explanations helped to standardize the understanding of subluxation among practitioners, making it a cornerstone of chiropractic theory. This contributed to the professionalization of chiropractic as a discipline distinct from other forms of healthcare. The importance of his work is recognized in chiropractic education and practice, as it laid the groundwork for how subluxation is viewed today.

In contrast, B.J. Palmer, while instrumental in the development of chiropractic and known for promoting the concept of subluxation as it relates to the nervous system, is best known for his role in establishing the chiropractic profession rather than providing the specific definition of subluxation. Daniel David Palmer, the founder of chiropractic, introduced the concept but did not have the same systematic approach to defining it that Stephenson did. James Parker is less pivotal in defining subluxation compared to the other figures