Dr. Michael H. Mitchell's Model's Tutorial - Anatomy and Physiology I & II (Bio 141/142) SITE UNDER CONSTRUCTION CAUTION - THESE PAGES MAY HAVE TYPO's AND MISTAKES - IT IS THE STUDENT'S RESPONSIBILITY TO ENSURE CORRECTNESS - YOUR LAB HANDOUTS ARE YOUR PRIMARY RESOURCE - You are only responsible for the structures in the lab handouts, not additional structures in these sites The Muscular System PRACTICAL III [Muscles of Head and Neck ] [Muscles of the Trunk - abdomen, thorax, back ] [Muscles of the Upper Extremity] [Muscles of the Lower Extremity] [Muscles - Insertions and Origins]