I'll structure the article as follows:
In the 1960s, Pinckney left her socialite life in Georgia and spent over a decade backpacking, hitchhiking, and performing intense manual labor across Europe, Africa, and Asia. The extreme physical stress, combined with bouts of malnutrition and amoebic dysentery, severely aggravated her congenital back issues. By the time she reached London in the early 1970s, she was in chronic pain and her knees and back were failing. The Birth of Callanetics: Exercise as Rehabilitation