Female back muscles, illustration. The muscles of the back can be divided into three groups; superficial, associated with movements of the shoulder, intermediate, associated with movements of the thoracic cage, and deep, associated with movements of the vertebral column. FERNANDO DA CUNHA/SCIENCE PHOTO LIBRARY
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Female Back Muscles #5 by Sebastian Kaulitzki/science Photo Library
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Female back muscles, illustration - Stock Image - F027/1302 - Science Photo Library
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