STEVE PERCIVAL / SCIENCE PHOTO LIBRARY STEVE PERCIVAL / SCIENCE PHOTO LIBRARY
Pilates exercise. Girl sitting on an exercise ball as a pilates instructor teaches her how to sit straight. Pilates is a physical fitness regime developed in the early 20th century by Joseph Pilates. It focuses on the core postural muscles that support the spine, and also involves control of breathing.
Model release available. Property release not required.