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Published byHoratio Wilkerson Modified over 8 years ago
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Career Prep - CTR 1210
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Most back injuries are caused by lifting, pushing or pulling objects Back injuries include muscle strains and sprains Some workplaces have higher rates of back injuries than others A fit back depends on muscle strength, flexibility and cardio-vascular fitness A fit body includes a fit back
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Back injuries cost businesses billions of dollars each year ◦ Finding the problem, treating the injury and loss of work time are all costs of back injuries Once a back is injured, it is 10 times more likely to be injured again The best way to prevent back injuries is to care for your back and body at all times More than 61% of back injuries are in the lower back
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Backs can be injured by bending forward, poor posture and not sitting properly The following work areas have the highest number of back injuries: ◦ Construction & Trade Services ◦ Retail & Wholesale Trade Services (grocery, warehouses, etc.) ◦ Transportation, communication & utilities (trucking) ◦ Manufacturing & Processing ◦ Personal & Health Services (health care, restaurants)
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A fit body has the following: ◦ STRENGTH ◦ FLEXIBILITY ◦ CARDIO-VASCULAR HEALTH Proper rest is essential to preventing back problems – the discs and vertebrae are allowed to expand and re-set ◦ People are actually approximately 2.5 cm taller in the morning than when they went to bed the night before!
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Muscles get stronger when used regularly Proper weight training can improve muscle strength Strong muscles: ◦ Support the body’s frame ◦ Increase work efficiency ◦ Reduce the chance of back injury
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Flexibility is as important as muscle strength Flexible muscles and joints are less likely to be injured Muscles and joints that are not flexible: ◦ Restrict movement ◦ Increase stress on other muscles and joints ◦ Alter posture
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Cardio-vascular fitness refers to the health of your heart and blood vessels This type of fitness helps the heart and lungs provide oxygen to the muscles Oxygen is the fuel that muscles use to do work Cardio-vascular fitness is helped by activity that makes the heart beat faster (ie. running, skiing, swimming, etc.)
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Video reflection sheets must be turned in at the end of class
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Cardio-Vascular ◦ The flow of blood to and from the heart through the blood vessels Joints ◦ The point where two bones meet Posture ◦ The body’s position (sitting, standing upright) Skeletal System ◦ The body’s frame – it consists of bones and cartilage that support and protect the body
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