This deluxe full life size muscular arm 6-part arm model has the following detachable muscles: Deltoid muscles, Biceps muscle of arm, Triceps muscle of arm, Long palmar muscle with radial flexor muscle of wrist, Brachioradial muscle with radial extensor muscle of wrist. The high quality muscular arm is supplied on a base. Now included with all 3B Scientific Anatomy models is the 3B Smart Anatomy app. This app allows users to register their 3B item to extend the warranty from 3 to 5 years plus free 1 year access to the 3B Smart Anatomy app which includes 23 Anatomy lectures, 117 interactive models and 39 quizzes.