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| Description: The muscles of the legs and buttocks contract and relax when you move your legs in any direction, bend your knees, walk on your toes, climb the stairs, or get up from a sitting position.
Picture Stats: Views: 1135 Filesize: 125.34kB Height: 1500 Width: 1316 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=13458 |