A Small Business Owner Has Noted an Increase in Back

Multiple Choice

A small business owner has noted an increase in back injuries at his company in recent years.During a discussion with an occupational health nurse,knowledge of statistical information regarding this trend throughout the country is exchanged.The occupational health nurse explains that the most common back injury is caused by a strain to which of the following muscle groups?

A) Lumbar
B) Cervical
C) Thoracic
D) Trapezius