Which of the following is a biomechanical principle to help avoid injury and back problems.Group of answer choicesCarry everything in one load to help save time and effort.Keep your weight (hips) high.Use a narrow base of support for balance.Use your large muscles( leg) when lifting.

Which of the following guidelines can help prevent back injuries?Twist at the waist.Insist on always lifting an object alone.Bend your knees as you lift.Hold the object as far as possible away from your body.

It is essential to maintain strength and flexibility of the muscles of the hip, thigh, and pelvis to prevent or at least minimize the chance of injury.True false question.TrueFalse

A7) Which of the following is not a key principle of Safe Handling?Keep the load as close as possibleMaintain an upright postureCreate a small compact base of supportTry to use the large leg muscles

When lifting heavy object you should:Group of answer choicesKeep your arms extended so the object is away from your body at all timesKeep on hand free at all timesKeep your back slightly bent at all timesMake sure that your leg muscles, not your back muscles, do the liftin

What is the principle purpose of the muscular system?Multiple choice question.Defend the bodyControl movementFrame the bodyCreate movement