Muscle fiber generates tension during the action of actin and myosin cross-bridge cycling. While under tension, the muscle may lengthen, shorten, or remain the same. Although the term contraction implies shortening, when referring to the muscular system, it means muscle fibers generating tension with the help of motor neurons (the terms twitch ten...
Found on
http://en.wikipedia.org/wiki/Muscle_contraction
(from the article `muscle`) Striated, or striped, muscle constitutes a large fraction of the total body weight in humans. Striated muscle contracts to move limbs and maintain ... ...protein filaments are arranged into contractile units (that is, the sarcomere extending from Z line to Z line) that have a characteristic ... Smooth musc...
Found on
http://www.britannica.com/eb/a-z/m/142
A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.
