MARK TURNBALL / SCIENCE PHOTO LIBRARY MARK TURNBALL / SCIENCE PHOTO LIBRARY
Pilates exercise. Exercise balls being used during a pilates session to improve health and fitness. The exercise ball is placed underneath the legs so that the upper body is supported by the arms. 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.
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