5TH GRADE-UNIT 3-C.B 56-57

Our bones, muscles and joints can be injured.

COMMON SKELETAL AND MUSCULAR SYSTEMS INJURIES

FRACTURE SPRAIN MUSCLE CONTRACTURE

It is a broken bone It occurs when one It is an involuntary and

(completely or a or more ligament is prolonged contraction

small crack) stretched. of a muscle.

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We need to have healthy habits to protect them.

DO PHYSICAL EXERCISE

-Physical activity strengthens our muscles and ligaments.

-To avoid injuries, we need to do warm-up exercises before we do sport and stretching exercises when we finish.

HAVE A HEALTHY DIET

-It includes foods that contain calcium(dairy products) and phosphorus (grains). They are essencial during childhood and adolescence to help our bones grow.

-Vitamin D (oily fish) helps to absorb calcium.

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SPEND TIME OUTDOORS

-We need to do activities outdoor because sunlight helps our body to produce vitamin D naturally.

-Sunbathe in moderation and take the necessary precautions. We need to protect our skin.

HAVE GOOD POSTURE

-This helps us avoid unnecessary strain on our backbone and back muscles, which can cause pain and injuries.

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HOW TO SEAT CORRECTLY

-Keep your back straight

-Your feet must touch the floor.

HOW TO CARRY A BAG CORRECTLY

-Wear both shoulder straps.

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HOW TO LIFT A BOX CORRECTLY

-Bend your knees

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