Thoracic mobility, or range of motion in the middle back, is an integral part of expression for all styles of dance, from ballet to breakdancing, says New York City-based dancer Evan Copeland. “As a dancer, drama is in the torso,” says Mr. Copeland, who has performed with Shen Wei Dance Arts and Séan Curran Company, and is working with award-winning choreographer Martha Clarke. “The limbs simply follow the musculature of the back.”
Mr. Copeland, 35, also teaches thoracic mobility classes at Transform Fitness in New York. Typically,…