Tires â Retreading is less expensive than new tires and is a large portion of this cost. Although mere pennies per mile, an average tire can cost over $250 and annual tire expenses can exceed $4,000 ($0.03 per mile), enough to purchase 16 new tires annually, but still not enough to replace every tire of an 18-wheeler.
To Correct Forward Head Posture, the muscles which need to be stretched comprise of: 1  Upper cervical (capital) extensors: Semispinalis capitis, splenius capitis, longissimus capitis and suboccipital muscles. 2  Lower cervical flexors. Sternocleidomastoid muscle, medial and anterior scalene muscles.
Forward movement of the body of one of the lower lumbar vertebrae on the vertebra below it, or on the sacrum. spondylolisthesis. spondylolisthesis. n. Forward displacement of one of the lower lumbar vertebrae over the vertebra below it or on the sacrum.