Select option below that does not describe the best lifting techniques when lifting a heavy load.

a. ask a co-worker to assist in lifting heavy objects
b. avoid lifting above shoulder level
c. break the load into parts
d. keep your knees straight
e. use handling aids

Keeping your knees straight is NOT described as the best lifting techniques when lifting heavy load. (Option D)

Explanation: While lifting heavy load a person should take extra care and should be educated about the precautionary measures to avoid injuries.

Keeping your knees straight while lifting heavy weight can be very dangerous since it may break your legs. A person should always sit with knees bend in order to lift the heavy object to avoid any injury.