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.
1 The discounted âMetered Mailâ category for First Class Mail Letters (1 oz.), which includes online postage providers and postage meters, will increase from $0.48 to $0.485 in 2015.2  First Class Flats (1 oz.) will stay the same at $0.98 in 2015. 3  Each additional ounce will cost $0.22 (up one cent from 2014). First Class Package Service will see an increase of 5.1% in 2015. 2  Commercial Base (online postage) rates will start at $2.04 (1 oz.), up $0.11 compared to 2014. 3  Priority Mail rates are NOT INCREASING in 2015. 4  Commercial Base (online postage) rates will continue to start at $5.05.