Add to collection
  • + Create new collection
    • Diagram showing the human deltoid muscles.
    Rights: National Aeronautics and Space Administration (NASA) Published 21 June 2007 Size: 22 KB Referencing Hub media

    The deltoids are the triangular muscles of the shoulder and are used to both twist the arm and to raise it sideways.

      Appears in

      ARTICLE

      Meet some muscles

      There are over 630 muscles in your body! Here are seven of them: Masseter The masseter runs from the temporal bone (that forms part of the sides and base of the skull) to the lower jaw (the ...

      READ MORE
      MORE
      Add to favourites
      Add to collection
    1. + Create new collection
        2. Go to full glossary
        Download all
        Email Us

        See our newsletters here.