100+ Right backpack PowerPoint (PPT) Presentations, Right backpack PPTs

Right backpack - PowerPoint PPT Presentation

BACKPACK SAFETY

BACKPACK SAFETY. WEIGHT. Backpack weight should NEVER exceed 5-10 % of body weight. For example: A 125 lb. female should not carry a backpack that weighs more than 6 to 13 lbs. A 165 lb. Male should not carry a backpack that weighs more than 8 to 17 lbs. . Injury to muscles and joints.

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Right backpack - PowerPoint PPT Presentation

BACKPACK SAFETY