Group 8Group 8 Duncan, C.; Morando, A.; Robinson, Duncan, C.; Morando, A.; Robinson,

R.R. Chapter 15: Integumentary, Chapter 15: Integumentary,

Skeletal, and Muscular Systems Skeletal, and Muscular Systems Lesson 2: The Skeletal SystemLesson 2: The Skeletal System 88thth Grade Grade 13-14 Year Olds13-14 Year Olds

The Skeletal The Skeletal SystemSystem

What Does My Skeletal What Does My Skeletal System Do?System Do?

StructureStructure StabilityStability MovementMovement ProtectionProtection

Structure-How We’re Put Structure-How We’re Put TogetherTogether

Axial (skull, spine, Axial (skull, spine, ribs, sternum, ribs, sternum, breastbone) breastbone)

Appendicular Appendicular (shoulders, arms, (shoulders, arms, legs, hands, hips, legs, hands, hips, feet)feet)

What’s Inside Our What’s Inside Our Bones?Bones?

Spongy BoneSpongy Bone Marrow CavityMarrow Cavity Compact BoneCompact Bone CartilageCartilage

Different Types of BonesDifferent Types of Bones

LongLong ShortShort Flat Flat IrregularIrregular

CartilageCartilage

A type of connective tissueA type of connective tissue Lines joints to cushion the bone and Lines joints to cushion the bone and

allow the joint to move easily allow the joint to move easily without painwithout pain

Helps form flexible portions of the Helps form flexible portions of the nose and earnose and ear

JointsJoints

Ball-and-SocketBall-and-Socket PivotPivot EllipsoidalEllipsoidal HingeHinge

PracticePractice

What kind of joint What kind of joint is your knee?is your knee?

What about your What about your hip?hip?

Elbow?Elbow? Shoulder?Shoulder?

Ligaments and TendonsLigaments and Tendons

Ligaments connect bone to boneLigaments connect bone to bone Tendons connect muscle to boneTendons connect muscle to bone

Eating Your Way to Eating Your Way to Strong BonesStrong Bones

DietDiet Milk is rich in Milk is rich in

calcium and high-calcium and high-quality protein. quality protein. Nearly all U.S. milk Nearly all U.S. milk has vitamins D and has vitamins D and A added and it has A added and it has magnesium and magnesium and zinc.zinc.

All of these vitamins All of these vitamins and minerals help and minerals help build strong bones.build strong bones.

How do Healthy Bones How do Healthy Bones Sound to You?Sound to You?

Why Drink Milk?Why Drink Milk?

Could this happen Could this happen to you?to you?

Work Your BonesWork Your Bones

ExerciseExercise Weight bearing Weight bearing

exercise makes exercise makes your bones strong your bones strong and healthy and healthy

it stimulates bone it stimulates bone formation and formation and strengthens the strengthens the muscles connected muscles connected to the bonesto the bones

Walk Your Way to Walk Your Way to Healthy BonesHealthy Bones

Problems of the Skeletal Problems of the Skeletal SystemSystem

FracturesFractures HairlineHairline TransverseTransverse ComminutedComminuted

OsteoporosisOsteoporosis

What?What? A disease causing A disease causing

the bones to the bones to become very become very porous porous

This makes bones This makes bones prone to fractures prone to fractures and slow to healand slow to heal

Who?Who? Most common in Most common in

women following women following menopausemenopause

More common in More common in femalesfemales

OsteoporosisOsteoporosis

ScoliosisScoliosis

What?What? An abnormal lateral An abnormal lateral

curvature of the curvature of the spinespine

Who?Who? Scoliosis can affect Scoliosis can affect

anyoneanyone Why?Why?

Birth defectBirth defect Nerve or muscle Nerve or muscle

problemsproblems deterioration of the deterioration of the

bony material bony material (discs) that separate (discs) that separate the vertebrae the vertebrae

Joint InjuriesJoint Injuries

DislocationDislocation Torn cartilageTorn cartilage BunionBunion BursitisBursitis ArthritisArthritis

Repetitive Motion InjuryRepetitive Motion Injury

What?What? an injury or illness resulting an injury or illness resulting

from bodily motion which from bodily motion which imposes stress or strain upon imposes stress or strain upon some part of the body due to some part of the body due to the repetitive nature of a task the repetitive nature of a task

ExamplesExamples Carpal tunnel syndromeCarpal tunnel syndrome Gamer’s ThumbGamer’s Thumb

THE END!THE END!