Some practitioners contend that muscle-testing can also help diagnose nutritional deficiencies, allergies, and other adverse reactions to foods. He can evaluate the energy patterns and usually find the reason that the infection developed in the first place. Some have found no difference in muscle response from one substance to another, while others have found no difference between the results with test substances and with placebos. Yet another study showed that suggestion can influence the outcome of muscle-testing. Some people who undergo AK muscle-testing report that although they resisted as hard as they could, the practitioner was still able to pull down their arm.
Distraction can also play a role.
I have found that when this is done quickly, the person being tested is unlikely to detect the upward motion. Try this on a friend. Applied kinesiology examination should enhance standard diagnosis, not replace it. . . . There are both lay persons and professionals who use a form of manual muscle testing without the necessary expertise to perform specific and accurate tests. Some fail to coordinate the muscle testing findings with other standard diagnostic procedures.