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LOCOMOTOR SYSTEM

Miriam Atienza

Created on October 19, 2021

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Transcript

The locomotor system includes

Skeleton

Muscles

Joints

The skeleton

The skeleton includes bones and cartilage:Bones are harder and cartilage are more flexible. Can you think in any cartilage in your body? HOMEWORK

  • Our skeleton supports and gives shape to our body.
  • It protects our internal organs.
  • We have 300 bones at birth, these grow together to form the 206 when we are adult.

Dislocation:

Types of bones:

Short: vertebraes- body support and stability. Flat: ribs- protect the internal organs Long: femur- help us to move

Fracture:

"a place where two things are joined together"

FIXED: JOINTS DO NOT MOVE: Joints in the skull

JOINTS

SEMI-FLEXIBLE: CAN MOVE A LITTLE: Vertebrae

FLEXIBLE: THEY CAN MOVE A LOT: Elbow, wrists, lnees and ankles.

+ 600

HOLD THE SKELETON AND GIVE SHAPE

CONTRACT AND RELAX

MUSCLES

INVOLUNTARY: HEART

VOLUNTARY: ARM

FIND THE FOLLOWING MUSCLES: - FRONTAL MUSCLES - PECTORAL - DELTOIDS -DORSAL - TRAPEZIUS - BICEPS - TRICEPS - QUADRICEPS - OBLIQUE - GLUTEUS - ABDOMINAL - CALF

HOMEWORK:

Find these bones in the skeleton:skull vertebrae (spine) clavicle pelvissternum femur humerus fibularadius tibia ulna patellarib