While trying to lift a box, Emile, a nurse, bent down, keeping his legs straight and back horizontal to the floor, and lifted the object. Later that day, Emile's lower back started hurting. How could Emile have correctly lifted the box using proper body mechanics? A. By bending his knees and using his back muscles B. By keeping his neck bent and using his wrist muscles C. By bending his knees and keeping his back straight D. By keeping his legs straight and lowering his shoulders

The correct answer is option C.

Explanation:

The correct way to lift a heavy item without hurting your back is to use your leg muscles to provide most of the force needed. Emile could have correctly lifted the box by bending his knees and keeping his back straight. This way he would not have put excess stress on his back, instead he would be using his leg muscles. The correct answer is option C.

I hope this answer helps.

the answer is c prevention of weight gain. i got the same question.