Anatomy of the Trapezius Muscle. The trapezius muscle spans your back and back. It stretches from the base of your skull to your middle back and lengthens out to your shoulders. The fibers of the trapezius run in three different orientations and, therefore, can be divided into three sections: upper, middle and lower.
Sebastopol /sÉËbÃ¦stÉpoÊl/ or /sÉËbÃ¦stÉpuËl/ is a city in Sonoma County, California, United States, approximately 52 mi (80 km) north of San Francisco.
California Weather > Sebastopol Weather. Sebastopol, CA climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's. The warmest month of the year is August with an average maximum temperature of 83.80 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 34.30 degrees Fahrenheit.