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.
History of United States postage rates. Seal of the former U.S. Post Office Department (1792â1971), predecessor to the USPS. Initial United States postage rates were set by Congress as part of the Postal Service Act signed into law by President George Washington on February 20, 1792. The postal rate varied according to distance zone, the distance a letter was to be carried from the post office where it entered the mail to its final destination. Rates were adopted in 1847 for mail to or from the Pacific Coast and in 1848 for mail sent from one place in the west to another place in the west. There were double and trip