Which of the following is a method used in applied kinesiology?

Applied kinesiology is a unique system of diagnosis and treatment that incorporates manual muscle testing and a variety of techniques to assess and improve bodily function. Touch for Health is a specific method that falls under the umbrella of applied kinesiology. It was developed by Dr. George Goodheart and focuses on balancing the body's energy through muscle testing and other techniques to promote overall health and wellness.

The essence of Touch for Health involves using muscle responses to identify issues and applying specific interventions, such as acupressure or nutritional advice, to facilitate healing. This integration of muscle testing with holistic health principles makes it a hallmark of applied kinesiology.

The other options, while they may involve physical manipulation or addressing muscle issues, do not specifically align with the foundational principles and methodologies of applied kinesiology in the same manner that Touch for Health does.