Female back muscles, illustration - Stock Image - C052/4271 - Science Photo Library

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, illustration - Stock Image - C052/4271 - Science Photo Library