Which of the following is an example of proper movement for a biceps curl?
ARotate the arm at the shoulder with the back straight
BBend the arm at the elbow with the back straight
CRotate the elbow and arch the back
DBend the elbow and move the upper arm forward
ARotate the arm at the shoulder with the back straight
BBend the arm at the elbow with the back straight
CRotate the elbow and arch the back
DBend the elbow and move the upper arm forward