Postural muscles have a tendency to become overactive, hypertonic, weak and shortened in length. An example of a postural muscle is the psoas muscle, a hip flexor. On the other hand, phasic muscles have a tendency to become weak and inhibited.An example of a phasic muscle is the gluteus maximus muscle, a hip extensor.The tendency for a specific muscle to become overactive and another muscle to become inhibited occurs over time creating a muscle imbalance and an altered movement pattern.n example of a phasic muscle is the gluteus maximus muscle, a hip extensor. The tendency for a specific muscle to become overactive and another muscle to become inhibited occurs over time creating a muscle imbalance and an altered movement pattern.
The U.S. Postal Service has announced a postage rate increase for select mail classes and services for 2015. The new postage rates will start on Sunday, April 26, 2015. First Class Letters & Postcards. The cost to send a one ounce First Class Letter will NOT BE INCREASING and will remain $0.49. Additional ounces will cost $0.22, a one cent increase from 2014.
In 1970, each additional ounce mailed at a first-class rate cost 6 cents, and packages started at 6 cents per ounce as well. The 6-cent rate began on January 7, 1968. The 1971 rate increase was the first increase set by the Postal Regulatory Commission under the Postal Reorganization Act of 1970. The 1968 rate increase that brought first-class postage to 6 cents was the first rate increase after the implementation of the ZIP code system.