Labels:apparel | book | bulletin board | curtain | ligament | retort | sky | toothbrush | vase OCR: LOWER ARM BONES: PALM BACKW ARDS HESE TWO long bones make up the skeleton of Head of radius your forearm. When your arm IS positioned 0 that your palm faces backwards, your radius and your ulna run parallel to Radius each other When you turn Moves circle your hand S0 that your palm around the ulna as faces forwards, your radius you twist your hand crosses over your ulna to form an X -shape. Ulna Shaft of bone Form elbow joint but you involved hand wrist mov ements Base of radius Articulates with the lower end of the ulna and the upper bones of the wrist PALD FORWARDS BACKWARDS Then Forms
