Joshua Black on Instagram: "Morning anatomy sketches of the shoulder blade muscles! Again studies from watching @stanprokopenko YouTube videos! #humananatomy #gesturedrawing #figuredrawing #back #muscles #shoulderblade #scapula #serratus #teresmajor #teresminor #infraspinatus #ribcage #torso #core #drawing #gottogetbetter #doodle #sketch #prokochallenge"
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