SKELETAL MUSCLE analogy LAB Terms’ Greek Roots • • • • • • • epi = upon peri = around endo = within or inner mys = muscle sarco = flesh lemma = husk fasci = bundle Twizzler analogy 1 1 Twizzler strand = myofibril Twizzler analogy 2 1 bundle of twizzlers = fascicle Twizzler analogy 3 1 package of Twizzlers = Muscle belly The packaging = tendon Büech’s Twizzler Analogy LAB w/Plastic Wrap •Each strip of the Twizzler represents a myofibril (muscle fiber) •Wrapped in Plastic Wrap endomysium •Several myofibrils wrapped together in Plastic Wrap form perimysium representing a fascicle •Several fascicles are wrapped in Press & Seal wrap to represent the epimysium surrounding the muscle belly •Extra Press & Seal at the ends represents the tendon that attaches muscle to bone • Origin- The location where the muscle is attached to the relatively immovable end of the bone Insertion- end of the muscle that is attached to the movable bone • Prime mover- the muscle that provides most of the movement • Synergist- muscle that assists the prime mover • Antagonist- the muscle that opposes the action of the prime mover Anterior shoulder and arm Anterior forearm Anterior thigh Lateral thigh Posterior thigh http://www.artanatomy.com/?page=vi ews&view=table_o_i_a