Kinesiology 2230A/B Lecture Notes - Lecture 1: Myocyte, Adrenal Gland, Glycolysis

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 2230A/B
• Professor: Glen Belfry

Document Summary

Muscle structure: more than 430 muscles in the body, opposing/opposite pairs antagonist and agonist, opposing muscles working together when one of them contracts, ex: biceps and triceps. Fg fibers you have to work really hard first: there are very few times during the day where you might not even use these fg fibers, fast twitch b (ftb), type 2b/x (humans) In humans we have very few type 2b fibers. In the walls of blood vessels and internal organs: cross section of a blood vessel. Connective tissue: several scaffolding proteins are involved in muscle structure, scaffolding proteins help muscles keep their shape. Muscle fibre (contractile proteins) thick filament = myosin; thin filament = actin, troponin, tropomyosin. Thin filament (actin) and its proteins: the thin myofilaments are made up of 3 contractile proteins: (focus on troponin and tropomyosin, tropomyosin, rod shaped protein.