1. Muscle Vocabulary from Notes January 20, 2011

2. Vocabulary to learn… Myofibrils Myosin Actin Sarcomere I bands Z lines A bands H zone Sarcoplasmic reticulum Thin filaments Thick filaments Transverse tubules (T tubules)

3. Vocabulary to learn, cont. Motor neurons Synapse Motor end plate Neuromuscular junction Motor unit Troponin and tropomyosin ( T & T) Sliding filament theory/model Oxygen debt Muscle fatigue Threshold stimulus Latent period Twitch Origin & Insertion of a muscle Agonist, synergist, and antagonist muscle functions

4. Vocabulary to learn, cont. Contracture Convulsion Fibrillation Fibrosis Myalgia Myokymia Myology Myoma Myopathy Myotomy Paresis Torticollis Muscular dystrophies Myasthenia gravis

5. Concepts to learn What is the relationship between cellular respiration and heat production? How are lactic acid, oxygen debt, and muscle fatigue related? Compare/contrast ATP production in aerobic respiration and anaerobic respiration

6. Thinking Critically An Olympic sprinter typically has more than 80% fast twitch muscle fibers. An Olympic marathoner typically has more than 90% slow twitch muscles. An average person has about half fast twitch and half slow twitch muscles. ** Explain the reasoning behind these statistics.