The tissue that produces power and movement in the body is ____

Ground ladders should be service tested before being placed in service, ___ while in service, and after use that exposes the ladder to high heat or rough treatment

A. after cleaning B. once each year C. once each week D. according to the manufacturer's schedule

Swinging the arm in a circle is an example of ____

A) abduction B) extension C) rotation D) circumduction