Find out about average temperatures and rainfall to help you plan your Virginia visit in any month of the year. Month-by-month tables list weather information for several Virginia cities and towns located in different areas of the state, including some of the most popular travel destinations.ind out about average temperatures and rainfall to help you plan your Virginia visit in any month of the year. Month-by-month tables list weather information for several Virginia cities and towns located in different areas of the state, including some of the most popular travel destinations.
Skeletal muscle is a form of striated muscle tissue which is under the voluntary control of the somatic nervous system.It is one of three major muscle types, the others being cardiac muscle and smooth muscle. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons.he myofibrils are composed of actin and myosin filaments, repeated in units called sarcomeres, the basic functional units of the muscle fiber. The sarcomere is responsible for the striated appearance of skeletal muscle, and forms the basic machinery necessary for muscle contraction.
Attached to the bones of the skeletal system are about 700 named muscles that make up roughly half of a personâs body weight. Each of these muscles is a discrete organ constructed of skeletal muscle tissue, blood vessels, tendons, and nerves. Origin and Insertion. 2  Some muscles are named based upon their connection to a stationary bone (origin) and a moving bone (insertion). 3  These muscles become very easy to identify once you know the names of the bones that they are attached to.