Having proper lifting technique is extremely important for your safety! Improperly lifting heavy objects can potentially lead to a serious back injury. Overexertion is a common injury in the work field, commonly resulting in injuries. Practicing safety in the workplace is the best way to prevent any potential accidents!
SOURCES: : https://www.osha.gov/SLTC/etools/electricalcontractors/materials/heavy.html, https://www.grainger.com/content/qt-proper-lifting-techniques-221